Fibre optic interconnecting devices and passive components - Performance standard - Part 381-2: Cyclic arrayed waveguide grating - Category C (controlled environment)

IEC 61753-381-2:2016 contains the minimum initial test and measurement requirements and severities which a Gaussian-passband-profile cyclic arrayed waveguide grating (AWG) for single-mode and bidirectional transmission systems satisfies in order to be categorised as meeting the requirements of IEC 61753-1 for category C (controlled environment). This standard pertains to wavelength division multiplexing (WDM) network with multiple spectral-band usage. This standard covers the requirements of cyclic AWG devices with free spectral range (FSR) characteristics to ensure multiple spectral bands transmission performance, with single-mode non-connectorised pigtails and no electric circuit board. Keywords: Gaussian-passband-profile cyclic arrayed waveguide grating (AWG), wavelength division multiplexing (WDM), category C (controlled environment)

Dispositifs d'interconnexion et composants passifs à fibres optiques - Norme de performance - Partie 381-2: Réseau sélectif planaire cyclique - Catégorie C (environnement contrôlé)

L'IEC 61753-381-2:2016 contient les exigences minimales et les sévérités initiales d'essais et de mesures auxquelles satisfait un réseau sélectif planaire (AWG) cyclique de profil passe-bande gaussien pour systèmes de transmission bidirectionnels en unimodal, afin d'être considéré conforme aux exigences de l'IEC 61753-1, pour la catégorie C (environnement contrôlé). La présente norme se rapporte aux réseaux multiplexés par répartition en longueur d'onde (WDM) avec utilisation de plusieurs bandes spectrales. La présente norme couvre les exigences des dispositifs AWG cycliques avec des caractéristiques de plage spectrale libre (FSR) garantissant des performances de transmissions sur plusieurs bandes spectrales, avec des fibres amorces unimodales non connectorisées et sans circuit électrique. Mots clés: réseau sélectif planaire (AWG) cyclique de profil passe-bande gaussien, réseaux multiplexés par répartition en longueur d'onde (WDM), catégorie C (environnement contrôlé)

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Publication Date
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Start Date
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IEC 61753-381-2
Edition 1.0 2016-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Fibre optic interconnecting devices and passive components – Performance
standard –
Part 381-2: Cyclic arrayed waveguide grating – Category C (controlled
environment)
Dispositifs d'interconnexion et composants passifs à fibres optiques – Norme
de performance –
Partie 381-2: Réseau sélectif planaire cyclique – Catégorie C (environnement
contrôlé)
IEC 61753-381-2:2016-01(en-fr)
---------------------- Page: 1 ----------------------
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---------------------- Page: 2 ----------------------
IEC 61753-381-2
Edition 1.0 2016-01
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
Fibre optic interconnecting devices and passive components – Performance
standard –
Part 381-2: Cyclic arrayed waveguide grating – Category C (controlled
environment)
Dispositifs d'interconnexion et composants passifs à fibres optiques – Norme
de performance –
Partie 381-2: Réseau sélectif planaire cyclique – Catégorie C (environnement
contrôlé)
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
INTERNATIONALE
ICS 33.180.20 ISBN 978-2-8322-3096-1

Warning! Make sure that you obtained this publication from an authorized distributor.

Attention! Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé.

® Registered trademark of the International Electrotechnical Commission
Marque déposée de la Commission Electrotechnique Internationale
---------------------- Page: 3 ----------------------
– 2 – IEC 61753-381-2:2016 © IEC 2016
CONTENTS

FOREWORD ........................................................................................................................... 3

1 Scope .............................................................................................................................. 5

2 Normative references ...................................................................................................... 5

3 Terms and definitions ...................................................................................................... 6

4 Test conditions ................................................................................................................ 7

5 Test report ....................................................................................................................... 7

6 Reference components .................................................................................................... 8

7 Performance requirements............................................................................................... 8

7.1 Dimensions ............................................................................................................. 8

7.2 Test details and requirements ................................................................................. 8

Annex A (normative) Sample size ........................................................................................ 14

Annex B (informative) General information on cyclic AWGs ................................................. 15

Annex C (informative) Channel frequency range and free spectral range ............................. 17

Annex D (informative) Summary of differences between IEC 61753-081-2 and

IEC 61753-381-2 .................................................................................................................. 18

Bibliography .......................................................................................................................... 19

Figure 1 – Illustration of cyclic AWGs ...................................................................................... 7

Figure B.1 – Single bidirectional transmission with cyclic AWGs ........................................... 15

Figure B.2 – Reference diagram of ITU-T G.698.3 ................................................................ 16

Figure C.1 – Description of channel frequency range and free spectral range ....................... 17

Table 1 – Tests and requirements of optical performance parameters ..................................... 9

Table 2 – Environmental tests & mechanical tests ................................................................ 12

Table A.1 – Sample size ....................................................................................................... 14

Table D.1 – Summary of differences between IEC 61753-081-2 and IEC 61753-381-2 .......... 18

---------------------- Page: 4 ----------------------
IEC 61753-381-2:2016 © IEC 2016 – 3 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
FIBRE OPTIC INTERCONNECTING
DEVICES AND PASSIVE COMPONENTS –
PERFORMANCE STANDARD –
Part 381-2: Cyclic arrayed waveguide grating –
Category C (controlled environment)
FOREWORD

1) The International Electrotechnical Commission (IEC) is a worldwide organization for standardization comprising

all national electrotechnical committees (IEC National Committees). The object of IEC is to promote

international co-operation on all questions concerning standardization in the electrical and electronic fields. To

this end and in addition to other activities, IEC publishes International Standards, Technical Specifications,

Technical Reports, Publicly Available Specifications (PAS) and Guides (hereafter referred to as “IEC

Publication(s)”). Their preparation is entrusted to technical committees; any IEC National Committee interested

in the subject dealt with may participate in this preparatory work. International, governmental and non-

governmental organizations liaising with the IEC also participate in this preparation. IEC collaborates closely

with the International Organization for Standardization (ISO) in accordance with conditions determined by

agreement between the two organizations.

2) The formal decisions or agreements of IEC on technical matters express, as nearly as possible, an international

consensus of opinion on the relevant subjects since each technical committee has representation from all

interested IEC National Committees.

3) IEC Publications have the form of recommendations for international use and are accepted by IEC National

Committees in that sense. While all reasonable efforts are made to ensure that the technical content of IEC

Publications is accurate, IEC cannot be held responsible for the way in which they are used or for any

misinterpretation by any end user.

4) In order to promote international uniformity, IEC National Committees undertake to apply IEC Publications

transparently to the maximum extent possible in their national and regional publications. Any divergence

between any IEC Publication and the corresponding national or regional publication shall be clearly indicated in

the latter.

5) IEC itself does not provide any attestation of conformity. Independent certification bodies provide conformity

assessment services and, in some areas, access to IEC marks of conformity. IEC is not responsible for any

services carried out by independent certification bodies.

6) All users should ensure that they have the latest edition of this publication.

7) No liability shall attach to IEC or its directors, employees, servants or agents including individual experts and

members of its technical committees and IEC National Committees for any personal injury, property damage or

other damage of any nature whatsoever, whether direct or indirect, or for costs (including legal fees) and

expenses arising out of the publication, use of, or reliance upon, this IEC Publication or any other IEC

Publications.

8) Attention is drawn to the Normative references cited in this publication. Use of the referenced publications is

indispensable for the correct application of this publication.

9) Attention is drawn to the possibility that some of the elements of this IEC Publication may be the subject of

patent rights. IEC shall not be held responsible for identifying any or all such patent rights.

International Standard IEC 61753-381-2 has been prepared by subcommittee 86B: Fibre optic

interconnecting devices and passive components, of IEC technical committee 86: Fibre optics.

The text of this standard is based on the following documents:
FDIS Report on voting
86B/3954/FDIS 86B/3969/RVD

Full information on the voting for the approval of this standard can be found in the report on

voting indicated in the above table.

This publication has been drafted in accordance with the ISO/IEC Directives, Part 2.

---------------------- Page: 5 ----------------------
– 4 – IEC 61753-381-2:2016 © IEC 2016

A list of all parts in the IEC 61753 series, published under the general title Fibre optic

interconnecting devices and passive components – Performance standard, can be found on

the IEC website.

Future standards in this series will carry the new general title as cited above. Titles of existing

standards in this series will be updated at the time of the next edition.

The committee has decided that the contents of this publication will remain unchanged until

the stability date indicated on the IEC website under "http://webstore.iec.ch" in the data

related to the specific publication. At this date, the publication will be
• reconfirmed,
• withdrawn,
• replaced by a revised edition, or
• amended.
---------------------- Page: 6 ----------------------
IEC 61753-381-2:2016 © IEC 2016 – 5 –
FIBRE OPTIC INTERCONNECTING
DEVICES AND PASSIVE COMPONENTS –
PERFORMANCE STANDARD –
Part 381-2: Cyclic arrayed waveguide grating –
Category C (controlled environment)
1 Scope

This part of IEC 61753 contains the minimum initial test and measurement requirements and

severities which a Gaussian-passband-profile cyclic arrayed waveguide grating (AWG) for

single-mode and bidirectional transmission systems satisfies in order to be categorised as

meeting the requirements of IEC 61753-1 for category C (controlled environment). This

standard pertains to wavelength division multiplexing (WDM) network with multiple spectral-

band usage. This standard covers the requirements of cyclic AWG devices with free spectral

range (FSR) characteristics to ensure multiple spectral bands transmission performance, with

single-mode non-connectorised pigtails and no electric circuit board.
2 Normative references

The following documents, in whole or in part, are normatively referenced in this document and

are indispensable for its application. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any
amendments) applies.

IEC 61300-2-1, Fibre optic interconnecting devices and passive components – Basic test and

measurement procedures – Part 2-1: Tests – Vibration (sinusoidal)

IEC 61300-2-4, Fibre optic interconnecting devices and passive components – Basic test and

measurement procedures – Part 2-4: Tests – Fibre/cable retention

IEC 61300-2-9, Fibre optic interconnecting devices and passive components – Basic test and

measurement procedures – Part 2-9: Tests – Shock

IEC 61300-2-14, Fibre optic interconnecting devices and passive components – Basic test

and measurement procedures – Part 2-14: Tests – High optical power

IEC 61300-2-17, Fibre optic interconnecting devices and passive components – Basic test

and measurement procedures – Part 2-17: Tests – Cold

IEC 61300-2-18, Fibre optic interconnecting devices and passive components – Basic test

and measurement procedures – Part 2-18: Tests – Dry heat – High temperature endurance

IEC 61300-2-19, Fibre optic interconnecting devices and passive components – Basic test

and measurement procedures – Part 2-19: Tests – Damp heat (steady state)

IEC 61300-2-22, Fibre optic interconnecting devices and passive components – Basic test

and measurement procedures – Part 2-22: Tests – Change of temperature

IEC 61300-2-42, Fibre optic interconnecting devices and passive components – Basic test

and measurement procedures – Part 2-42: Tests – Static side load for strain relief

---------------------- Page: 7 ----------------------
– 6 – IEC 61753-381-2:2016 © IEC 2016

IEC 61300-2-44, Fibre optic interconnecting devices and passive components – Basic test

and measurement procedures – Part 2-44: Tests – Flexing of the strain relief of fibre optic

devices

IEC 61300-3-2, Fibre optic interconnecting devices and passive components – Basic test and

measurement procedures – Part 3-2: Examination and measurements – Polarization
dependent loss in a single-mode fibre optic device

IEC 61300-3-6, Fibre optic interconnecting devices and passive components – Basic test and

measurement procedures – Part 3-6: Examinations and measurements – Return loss

IEC 61300-3-20, Fibre optic interconnecting devices and passive components – Basic test

and measurement procedures – Part 3-20: Examinations and measurements – Directivity of

fibre optic branching devices

IEC 61300-3-29, Fibre optic interconnecting devices and passive components – Basic test

and measurement procedures – Part 3-29: Examinations and measurements – Spectral
transfer characteristics of DWDM devices

IEC 61300-3-32, Fibre optic interconnecting devices and passive components – Basic test

and measurement procedures – Part 3-32: Examinations and measurements – Polarization

mode dispersion measurement for passive optical components

IEC 61300-3-38, Fibre optic interconnecting devices and passive components – Basic test

and measurement procedures – Part 3-38: Examinations and measurements – Group delay,

chromatic dispersion and phase ripple

IEC 61753-021-2, Fibre optic interconnecting devices and passive components performance

standard – Part 021-2: Grade C/3 single-mode fibre optic connectors for category C –

Controlled environment

IEC 62074-1, Fibre optic interconnecting devices and passive components – Fibre optic WDM

devices – Part 1: Generic specification

ITU-T Recommendation G.692, Optical interfaces for multichannel systems with optical

amplifiers.

ITU-T Recommendation G.694.1, Spectral grids for WDM applications: DWDM frequency grid

ITU-T Recommendation G.698.3, Multichannel seeded DWDM applications with single-
channel optical interfaces
3 Terms and definitions

For the purposes of this document, the terms and definitions given in IEC 62074-1, as well as

the following apply.
3.1
cyclic arrayed waveguide grating
cyclic AWG

multi wavelength-selective branching device which can perform the function of a wavelength

multiplexer and/or demultiplexer with DWDM channel spacing

Note 1 to entry: The device has free spectral range (FSR) characteristics for operating in multiple spectral bands. In

the cyclic AWG, the wavelength emerging at the particular output port is spaced by an integer of the FSR as

illustrated in Figure 1. General information on cyclic AWGs is described in Annex B.

---------------------- Page: 8 ----------------------
IEC 61753-381-2:2016 © IEC 2016 – 7 –
Note 2 to entry: This note applies to the French language only.
C-band L-band
FSR
Output
port 1
1 1
Ch Ch
C-band L-band
1 N 1 N
Ch Ch Ch Ch
C-band C-band L-band L-band
Common
port
FSR
Output
N N
Ch Ch
C-band L-band
port N
IEC
Figure 1 – Illustration of cyclic AWGs
3.2
free spectral range
FSR

difference between two adjacent operating wavelengths for a given input output path

Note 1 to entry: This note applies to the French language only.
3.3
wavelength division multiplexing
WDM

multiplexing in which several independent signals are allotted separate wavelengths for

transmission over a common optical transmission medium
Note 1 to entry: This note applies to the French language only.
3.4
dense WDM
DWDM

WDM device intended to operate for channel spacing equal to or less than 1 000 GHz

Note 1 to entry: This note applies to the French language only.
4 Test conditions

All test methods are in accordance with the IEC 61300 series. Each test defines the number

of samples to be evaluated. DWDM devices used for each test are intended to be previously

unstressed new samples but may also be selected from previously used samples if desired.

All measurements shall be carried out at normal room conditions, unless otherwise stated. If

the device is provided with an active temperature control, this shall be set at the set-point

specified by the manufacturer.

All tests are to be carried out to validate performance over the required operating wavelength

range. As a result, single or multiple spectral bands may be chosen for the qualification and

differing target specifications may be assigned to each spectral band.
5 Test report

Fully documented test reports and supporting evidence shall be prepared and shall be

available for inspection as evidence that the tests have been carried out and complied with.

Cyclic-AWG
---------------------- Page: 9 ----------------------
– 8 – IEC 61753-381-2:2016 © IEC 2016
6 Reference components
The testing for DWDM devices does not require the use of reference components.
7 Performance requirements
7.1 Dimensions

Dimensions shall be in accordance with those given in appropriate manufacturers’ drawings.

7.2 Test details and requirements

Table 1 specifies the optical perfomance and related test methods for Gaussian passband

profile.

Table 2 defines the environmental and mechanical performance requirements and test

methods.

The operating wavelengths, unless otherwise specified, shall be in accordance with ITU

Recommendation G.692, G.694.1 and G.698.3 (Frequency Spacing). Where devices with

wavelength spaced channels have to be considered the conversion should refer to vacuum

wavelength.

The value of "c" (speed of light in vacuum) that should be used for converting between

frequency and wavelength is 2,997 924 58 × 10 m/s.

Conformance to this standard requires demonstration of the ability to meet both the relevant

optical and the environmental parameters.

For connectorized components, the connector performances shall be in accordance with

IEC 61753-021-2.
---------------------- Page: 10 ----------------------
IEC 61753-381-2:2016 © IEC 2016 – 9 –
Table 1 – Tests and requirements of optical performance parameters
No Tests Requirements Details
1 Number of 16 ≤ n ≤ 48 Operating wavelength: ITU-T grid or custom design
channels: n
NOTE Design information
(not test item)
2 Channel Channel central Channel central ITU-T grid or custom design
frequency range frequency:
frequency ± 0,125 × ∆f
1) L-band
where ∆f is the
channel spacing
Minimum channel spacing:
97,15 GHz
Minimum channel
frequency: 186,143 THz
Maximum channel
frequency: 190,709 05 THz
2) C-band
Minimum channel spacing:
100 GHz
Minimum channel
frequency: 191,5 THz
Maximum channel
frequency: 196,2 THz
NOTE Design information
(not test item)
3 Free spectral 5 425,4 GHz Free spectral range
range
NOTE Design information
(not test item)
4 Insertion loss Launch fibre length:
≤ 4,8 dB ≥ 2,0 m
IEC 61300-3-29
Maximum allowable Measurement
±0,05 dB
insertion loss over the
uncertainty
channel frequency
The insertion loss should be
range
determined as the worst case
over all states of polarisation.
5 Channel non- ≤ 1,0 dB (n ≤ 24) Launch fibre length: ≥ 2,0 m
uniformity
≤ 1,5 dB (n > 24) Measurement ±0,05 dB
IEC 61300-3-29
uncertainty
Maximum allowable
channel non-uniformity
The channel non-uniformity
of insertion losses should be determined as the
worst case over all states of
polarisation.
6 1 dB band width Launch fibre length:
≥ 0,25 × ∆ f where ∆ f ≥ 2,0 m
is the channel spacing
IEC 61300-3-29
Measurement
± 0,01 × ∆ f
Minimum allowable
uncertainty:
1 dB band width
The 1 dB band width should be
(centred at the
determined as the worst case
channel frequency)
over all states of polarisation.
7 3 dB band width Launch fibre length:
≥ 0,5 × ∆ f where ∆ f is ≥ 2,0 m
the channel spacing
IEC 61300-3-29
Measurement ± 0,01 × ∆ f
Minimum allowable
uncertainty:
3 dB bandwidth
The 3 dB bandwidth should be
(centred at the
determined as the worst case
channel frequency)
over all states of polarisation.
---------------------- Page: 11 ----------------------
– 10 – IEC 61753-381-2:2016 © IEC 2016
No Tests Requirements Details
8 Passband ripple Launch fibre length:
≤ 1,5 dB ≥ 2,0 m
IEC 61300-3-29
Maximum insertion Measurement
±0,05 dB
loss variation within
uncertainty:
the channel frequency
The passband ripple should be
range
determined as the worst case
over all states of polarisation.
9 Adjacent Launch fibre length:
≤ -25 dB ≥ 2,0 m
channel
Minimum allowable
Measurement ±0,1 dB
crosstalk
adjacent channel uncertainty:
IEC 61300-3-29
crosstalk over the
The adjacent channel crosstalk
channel frequency
is specified only for
range
demultiplexer.
The adjacent channel crosstalk
should be determined as the
worst case over all states of
polarisation.
10 Non-adjacent
≤ -30 dB Launch fibre length: ≥ 2,0 m
channel
Minimum allowable
Measurement ±0,1 dB
crosstalk
non-adjacent channel uncertainty:
IEC 61300-3-29
crosstalk over the
The non-adjacent channel
channel frequency
crosstalk is specified only for
range
demultiplexer.
The non-adjacent channel
crosstalk should be
determined as the worst case
over all states of polarisation.
11 Total channel ≤ -22 dB (n ≤ 48) Launch fibre length: ≥ 2,0 m
crosstalk
≤ -20 dB (n > 48) Measurement ±0,1 dB
IEC 61300-3-29
uncertainty:
Minimum allowable
total channel crosstalk
The total adjacent channel
value crosstalk is specified only for
demultiplexer.
The total adjacent channel
crosstalk should be
determined as the worst case
over all states of polarisation.
12 Polarisation ≤ 0,4 dB Launch fibre length: ≥ 2,0 m
dependent loss
Maximum allowable Measurement
±0,05 dB
(PDL)
PDL over the channel uncertainty:
IEC 61300-3-2
frequency range
The allowable PDL
combination applies to all
combination of input and
output ports
13 Polarisation Launch fibre length:
≤ 0,5 ps ≥ 2,0 m
mode dispersion
Maximum allowable
Measurement ±0,1 ps
(PMD)
PMD over the channel
uncertainty:
IEC 61300-3-32 frequency range
The allowable PMD
combination applies to all
combination of input and
output ports
---------------------- Page: 12 ----------------------
IEC 61753-381-2:2016 © IEC 2016 – 11 –
No Tests Requirements Details
14 Chromatic Launch fibre length:
≤ 20 ps/nm for ≥ 2,0 m
dispersion (CD)
97,15 GHz minimum
Measurement
±1 ps/nm
channel spacing
IEC 61300-3-38
uncertainty:
≤ 20 ps/nm for
NOTE The allowable CD
100 GHz minimum
combination applies to all
channel spacing
combination of input and
Maximum allowable output ports
CD over the channel
frequency range
(absolute value)
15 Return loss Launch fibre length:
≥ 40 dB ≥ 2,0 m
IEC 61300-3-6
Minimum allowable Measurement
±1 dB
return loss uncertainty:
All ports not under test should
be terminated to avoid
unwanted reflections
contributing to the
measurement
16 Directivity
≥ 40 dB Launch fibre length: ≥ 2,0 m
IEC 61300-3-20 Maximum allowable
Measurement ±1 dB
directivity uncertainty:
All ports not under test should
be terminated to avoid
unwanted reflections
contributing to the
measurement
The directivity shall be
measured between any pair of
input or output ports
17 High optical Before and after the Optical power 300 mW
power test, the limits of
Wavelength 1 550 nm
insertion loss and
IEC 61300-2-14
return loss of tests
Duration of the optical 30 min
no. 4 and 15 shall be
power exposure
met.
Temperature:
+60 °C ± 2 °C
During the test, the
insertion loss change
Relative humidity:
% RH
is monitored. During
and after the test, the
insertion loss change Input port Common port
shall be within ±0,3 dB
of the initial value.
During the test, the
return loss change is
monitored. The sum of
the initial value and
the change of the
return loss shall be
within the value
defined at test no. 5.
---------------------- Page: 13 ----------------------
– 12 – IEC 61753-381-2:2016 © IEC 2016
Table 2 – Environmental tests & mechanical tests
No Tests Requirements Details
18 Cold Before and after the test, Temperature: –10 °C ± 2 °C
the limits of insertion
IEC 61300-2-17
Durat
...

SLOVENSKI STANDARD
SIST IEC/TR3 61200-704:2000
01-februar-2000
9RGLOR]DHOHNWULþQHLQãWDODFLMH±GHO*UDGELãþD

Electrical installation guide - Part 704: Construction and demolition site installations

Guide pour les installations électriques - Partie 704: Installations de chantiers

Ta slovenski standard je istoveten z: IEC/TR 61200-704
ICS:
91.140.50 Sistemi za oskrbo z elektriko Electricity supply systems
91.200 Gradbena tehnologija Construction technology
SIST IEC/TR3 61200-704:2000 en

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

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SIST IEC/TR3 61200-704:2000
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SIST IEC/TR3 61200-704:2000
CEI
RAPPORT
IEC
TECHNIQUE - TYPE 3
1200-704
TECHNICAL
Première édition
REPORT - TYPE 3 First edition
1996-03
les installations électriques
Guide pour
704:
Partie
Installations de chantiers
Electrical installation guide —
Part 704:
Construction and demolition site installations
de reproduction réservés—Copyright — all rights reserved
© CEI 1996 Droits
No part of this publication may be reproduced or utilized in
Aucune partie de cette publication ne peut être reproduite ni
any form or by any means, electronic or mechanical,
utilisée sous quelque forme que ce soit et par aucun pro-
including photocopying and microfilm, without permission
cédé, électronique ou mécanique, y compris la photocopie et
in writing from the publisher.
les microfilms, sans l'accord écrit de l'éditeur.
Genève, Suisse

Bureau Central de la Commission Electrotechnique Inte rnationale 3, rue de Varembé

Commission Electrotechnique Internationale CODE PRIX
International Electrotechnical Commission PRICE CODE S
IEC MetwtyHapoAHaa 3neKrpoTexHHVecnaa HOMHCCHA
vigueur
Pour prix, voir catalogue en •
For price, see current cata logue
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SIST IEC/TR3 61200-704:2000
1200-704 © IEC:1996 — 3 —
CONTENTS
Page
FOREWORD 5
INTRODUCTION 9
Clause
704.1 Scope
704.2 Normative references and definitions
Assessment of general characteristics 704.3
704.312 Types of distribution systems
Conditions of external influences 704.32
704.36 Safety circuits
704.4 Protection for safety
704.41 Protection against electric shock
35 704.43 Protection against overcurrent
Selection and erection of equipment 704.5
704.51 Common rules
37
704.52 Wiring systems
704.53 Switchgear and controlgear
Earthing arrangements and protective conductors -704.54
704.6 Verification
Initial verification 704.61
704.62 Periodic verification
Supervision 704.63
704.64 Maintenance
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SIST IEC/TR3 61200-704:2000
1200-704 © IEC:1996 – 5 –
INTERNATIONAL ELECTROTECHNICAL COMMISSION
ELECTRICAL INSTALLATION GUIDE —
Part 704: Construction and demolition site installations
FOREWORD

1) The IEC (International Electrotechnical Commission) is a worldwide organization for standardization

comprising all national electrotechnical committees (IEC National Committees). The object to the IEC is to

promote international cooperation on all questions concerning standardization in the electrical and electronic

fields. To this end and in addition to other activities, the IEC publishes International Standards. Their

preparation is entrusted to technical committees; any IEC National Committee interested in the subject dealt

with may participate in this preparatory work. International, governmental and non-governmental organizations

liaising with the IEC also participate in this preparation. The IEC collaborates closely with the International

Organization for Standardization (ISO) in accordance with conditions determined by agreement between the

two organizations.

2) The formal decisions or agreements of the IEC on technical matters, express as nearly as possible an

international consensus of opinion on the relevant subjects since each technical committee has representation

from all interested National Committees.

3) The documents produced have the form of recommendations for international use and are published in the

form of standards, technical repo s or guides and they are accepted by the National Committees in that

sense.

In order to promote international unification, IEC National Committees undertake to apply IEC International

Standards transparently to the maximum extent possible in their national and regional standards. Any

divergence between the IEC Standard and the corresponding national or regional standard shall be clearly

indicated in the latter.

The IEC provides no marking procedure to indicate its approval and cannot be rendered responsible for any

equipment declared to be in conformity with one of its standards.

6) Attention is drawn to the possibility that some of the elements of this International Standard may be the

subject of patent rights. IEC shall not be held responsible for identifying any or all such patent rights.

The main task of IEC technical committees is to prepare International Standards. In

exceptional circumstances, a technical committee may propose the publication of a technical

repo rt of one of the following types:

• type 1, when the required suppo rt cannot be obtained for the publication of an International

Standard, despite repeated effo rts;

• type 2, when the subject is still under technical development or where for any other reason

there is the future but not immediate possibility of an agreement on an International

Standard;

• type 3, when a technical committee has collected data of a different kind from that which is

normally published as an International Standard, for example "state of the art".
Technical repo rt
s of types 1 and 2 are subject to review within three years of publication to

decide whether they can be transformed into International Standards. Technical repo rts of

type 3 do not necessarily have to be reviewed until the data they provide are considered to be

no longer valid or useful.
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SIST IEC/TR3 61200-704:2000
1200-704 © IEC:1996 –7–

International Standard IEC 1200-704, which is a technical report of type 3, has been prepared

by IEC technical committee 64: Electrical installations of buildings.
The text of this standard is based on the following documents:
Committee draft Repo rt on voting
64(SEC)697 64(SEC)736

Full information on the voting for the approval of this standard can be found in the report on voting

indicated in the above table.
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SIST IEC/TR3 61200-704:2000
1200-704 © IEC:1996 – 9 –
INTRODUCTION

This technical report does not form part of IEC 364. It is a supplement to IEC 364-7-704, of

which it explains the rules so as to facilitate the design, the execution and the maintenance of

electrical installations on construction and demolition sites.

It is written for everyone concerned with the design, the selection and supply of equipment, as

well as the persons who install, maintain and use these installations.

The chapters, sections and clauses are, in some cases, marked with the following information:

modification, recommendation or explanation.
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SIST IEC/TR3 61200-704:2000
–11 –
1200-704 © IEC:1996
ELECTRICAL INSTALLATION GUIDE —
Part 704: Construction and demolition site installations
704.1 Scope

This technical report is for use as a guide for temporary installations provided only for the

period of construction, during which they may be frequently modified and relocated. They are

dismantled and removed upon completion of the works.

The object of this report is to give more detailed guidance on the application of the

requirements of IEC 364 to these particular types of installation, in a form convenient for use

by persons concerned with these types of installation. To make it easier for users, definitions

are repeated, and several examples of important items are listed.

It describes practical means of satisfying the requirements, based on experience and practice,

but it does not exclude the use of other means which provide the same level of safety and

reliability.
704.2 Reference documents and definitions
704.2.1 Reference documents
International Electrotechnical Vocabulary (lEV) – Chapter 826: Electrical
IEC 50(826): 1982,
installations of buildings
Amendment 1 (1990)
Rubber insulated cables of rates voltages up and including 450/750 V – Pa rt 4:
IEC 245-4: 1980,
Cords and flexible cables
2: Definitions – Chapter 21:
Electrical installations of buildings – Part
IEC 364-2-21: 1993,
Guide to general terms
rt 3: Assessment of general characteristics
IEC 364-3: 1993, Electrical installations of buildings – Pa

Electrical installations of buildings – Pa rt 4: Protection for safety – Chapter 41:

IEC 364-4-41: 1992,
Protection against electric shock
rt 4: Protection for safety – Chapter 43:
IEC 364-4-43: 1977, Electrical installations of buildings – Pa
Protection against overcurrent
4: Protection for safety – Chapter 47:
IEC 364-4-473: 1977, Electrical installation of buildings – Pa rt

Application of protective measures for safety – Section 473: Measures of protection against

overcurrent

Electrical installations of buildings – Pa rt 5: Selection and erection of electrical

IEC 364-5-51: 1994,
equipment – Chapter 51: Common rules
rt 5: Selection and erection of electrical
Electrical installations of buildings – Pa
IEC 364-5-52: 1993,
equipment – Chapter 52: Wiring systems
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SIST IEC/TR3 61200-704:2000
1200-704 © IEC:1996 –13 –

IEC 364-5-53: 1994, Electrical installations of buildings – Part 5: Selection and erection of

electrical equipment – Chapter 53: Switchgear and controlgear

IEC 364-5-54: 1980, Electrical installations of buildings – Part 5: Selection and erection of

electrical equipment – Chapter 54: Earthing arrangements and protective conductors

Electrical installations of buildings – Part 6: Verification – Chapter 61:
IEC 364-6-61: 1986,
Initial verification

IEC 364-7-704: 1989, Electrical installations of buildings – Pa rt 7: Requirements for special

installations or locations – Section 704: Construction and demolition site installations

Electrical installations of buildings – Pa rt 7: Requirements for special
IEC 364-7-706: 1983,
installations or locations – Section 706: Restrictive conducting locations
4: Particular
IEC 439-4: 1990, Low-voltage switchgear and controlgear assemblies – Pa rt
requirements for assemblies for construction sites (A CS)

IEC 598-2-22:1990, Luminaires – Part 2: Particular requirements – Section twenty-two:

Luminaires for emergency lighting
Protection of structures against lightning – Pa rt 1: General principles
IEC 1024-1: 1990,
704.2.2 Definitions
For the purpose of this technical repo rt, the following definitions apply:
Chapter 826 of the International Electrotechnical Vocabulary (IEV)
704.2.2.1
Any current exceeding the rated value. For conductors, the rated value is the
overcurrent:
current-carrying capacity [IEV 826-05-06].

overload current: An overcurrent occurring in a circuit in the absence of an electrical fault

[IEV 826-05-07].
An overcurrent resulting from a fault of negligible impedance between
short-circuit current:

live conductors having a difference in potential under normal operating conditions

[IEV 826-05-08].

portable equipment: Equipment which is moved while in operation or which can easily be

moved from one place to another while connected to the supply [IEV 826-07-04].

hand-held equipment: Portable equipment intended to be held in the hand during normal use,

in which the motor, if any, forms an integral pa rt of the equipment [IEV 826-07-05].

NOTE – The use of hand-held equipment requires the constant use of one hand, either for support or guidance.

Electrical installations of buildings – Part 2: Definitions – Chapter 21: Guide to general terms (1993)

*IEC 364-2-21:
contains explanatory notes on terms used in IEC 364 and defined in IEC 50(826).
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SIST IEC/TR3 61200-704:2000
1200-704 © IEC:1996 –15 –
Either fixed equipment or equipment not provided with a carrying
stationary equipment:
handle and having such a mass that it cannot easily be moved [IEV 826-07-06].

fixed equipment: Equipment fastened to a support or otherwise secured in a specific location

[IEV 826-07-07].

isolation: A function intended to cut off for reasons of safety the supply from all or a discrete

section of the installation by separating the installation or section from every source of

electrical energy [IEV 826-08-01].

switching-off for mechanical maintenance: An operation intended to inactivate an item or

items of electrically powered equipment for the purpose of preventing danger, other than due to

electric shock or to arcing, during non-electrical work on this equipment [IEV 826-08-02].

emergency switching: An operation intended to remove as quickly as possible danger which may

have occurred unexpectedly [IEV 826-08-03].
Emergency switching intended to stop a movement which has become
emergency stopping:
dangerous [IEV 826-08-04].
" or vary the supply of electrical
functional switching: An operation intended to switch "on" or "off
of an installation for normal operating purposes [IEV 826-08-05].
energy to all or part
704.2.2.2 Other IEC publications
A restrictive conducting location is one comprised mainly of
restrictive conducting location:

metallic or conductive surrounding pa rts, within which it is likely that a person will come in

ion of his body with the conductive surrounding parts and
contact through a substantial po rt

where the possibility of interrupting this contact is limited [706.1 of IEC 364-7-706].

Low-voltage switchgear and controlgear assembly for construction sites (ACS): A

combination of one or several transforming or switching devices with associated control,

measuring, signalling, protective and regulating equipment complete with all their internal

rts, designed and built for use on all
electrical and mechanical connections and structural pa
construction sites, indoors and outdoors [2.1.1.3 of IEC 439-4].
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SIST IEC/TR3 61200-704:2000
1200-704 © IEC:1996 –17 –
704.3 Assessment of general characteristics
704.312 Types of distribution systems (see 312 of lEC 364-3)
704.312.2 Types of system earthing
The following systems are permitted in installations:
704.312.2.1 TN systems

TN power systems have one point directly earthed, the exposed-conductive-parts of the

installation being connected to that point by protective conductors. Three types of TN systems

are considered according to the arrangement of neutral and protective conductors, as follows:

– TN-S system: in which throughout the system, a separate protective conductor is used;

– TN-C-S system: in which neutral and protective functions are combined in a single

conductor in a pa rt of the system;

– TN-C system: in which neutral and protective functions are combined in a single

conductor throughout the system.
TN-C TN-S
• ; •
L1 O
• •
L2 O .
• •
L3 O ^ I I
• ;
PEN T
,. I f
...
. • ;
^.-
8 ._._._._._._._._._._._._.
•-•--- •- •- •- •- •-•-•-•-
Exposed-conductive-parts
Earthing of system
Figure 1 – TN-C-S system. Neutral and protective functions combined
in a single conductor in a part of the system
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SIST IEC/TR3 61200-704:2000
1200-704 © IEC:1996 -19 -
704.312.2.2 TT system

The TT power system has one point directly earthed, the exposed-conductive-parts of the

installation being connected to earth electrodes electrically independent of the earth electrodes

of the power system.
11 O 11 O
L2 O L2 O
L3 O L3 O
N O
._.^._._._._.^
f / I
._._._._._._.:
Exposed-conductive-parts
Exposed-conductive-parts
Earthing of system Earthing of system
Figure 2 - TT system
704.312.2.3 IT system

The IT power system has all live pa rts isolated from earth, or one point connected to earth

through an impedance, the exposed-conductive-parts of the electrical installation being earthed

independently, collectively, or to the earthing of the system (see 413.1.5 of IEC 364-4-41).

11 O
11 O
L2 O L2
L3 O L3 •
Impedance
^- •-•---•-
'PE
-parts— Exposed-conductive-parts—
Earthing of system Exposed-conductive
Earthing of system
1)The system may be isolated from earth.
2)The neutral may or may not be distributed.
Figure 3 - IT system

Subclause 704.413.1 deals with the choice of earthing systems for site installations.

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SIST IEC/TR3 61200-704:2000
1200-704 © IEC:1996 – 21 –
704.312.3
Installation systems

Figures 4 and 5 show examples of two installation arrangements corresponding to small,

medium and large sites.

The choice of protection must take account of the probability of faults, the risks from wear and

tear, especially when the insulation can be damaged as a result of tension, flexing, abrasion or

severing. The condition of a construction site and the access to the installation by ordinary

persons (BA1) also increases the probability of faults.

Most of these sites are supplied from transformer substations forming part of the site

installation. The earthing systems therefore can be chosen according to the recommendations

of 704.413.1.
Supply of
electrical
energy
Protective
conductor
Earthing
conductor
Earthing electrode of the
new construction

The emergency switching may be combined with the residual current device or be separate.

May be supplied by a safety isolating transformer for use in restrictive conducting locations.

Figure 4 – Example of an installation of a small size construction site

The installation is connected to the supply by means of a single ACS. The device for switching

and protection embodies a residual current protective device with a residual operating current

not exceeding 30 mA, because all the equipment is either portable or hand-held.
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SIST IEC/TR3 61200-704:2000
1200-704 © IEC:1996 – 23 –
...

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