SIST HD 60364-7-702:2011
(Main)Low-voltage electrical installations - Part 7-702: Requirements for special installations or locations - Swimming pools and fountains
Low-voltage electrical installations - Part 7-702: Requirements for special installations or locations - Swimming pools and fountains
The particular requirements of this part of HD 60364 apply to electrical installations of:
– basins of swimming pools and paddling pools and their surrounding zones;
– areas in natural waters, lakes in gravel pits and coastal and similar areas, specially intended to be
occupied by persons for swimming, paddling and similar purposes, and their surrounding zones.
Such areas in natural waters, lakes in gravel pits and coastal and similar areas, are considered as
swimming pools;
– basins of fountains and their surrounding zones.
NOTE In these areas, in normal use, the effect of an electric shock is increased by a reduction in body resistance and contact of the body with earth potential.
For swimming pools for medical use, special requirements may apply.
This standard does not cover the use of mobile equipment, e.g. pool cleaning equipment.
Errichten von Niederspannungsanlagen - Teil 7-702: Anforderungen für Betriebsstätten, Räume und Anlagen besonderer Art - Schwimmbecken und Springbrunnen
Installations électriques à basse tension - Partie 7-702: Règles pour les installations ou emplacements spéciaux - Piscines et fontaines
La CEI 60364-7-702:2010 les exigences particulières sont applicables aux installations électriques des: - bassins des piscines et des pataugeoires, et des volumes les entourant; - volumes situés dans des eaux naturelles, lacs de gravières et zones côtières et analogues, destinés tout particulièrement à être occupés par des personnes pratiquant la natation, le canotage et autres activités similaires, et des volumes les entourant. Ces volumes situés dans des eaux naturelles, lacs de gravières et zones côtières et analogues, sont considérés comme étant des piscines; - bassins de fontaines et des volumes les entourant. Pour les piscines à usage médical, des exigences particulières peuvent s'appliquer. Cette troisième édition annule et remplace la seconde édition publiée en 1997 et constitue une révision technique. Les principales modifications par rapport à l'édition précédente sont les suivantes: - le domaine d'application a été amélioré en y ajoutant les aires naturelles dans les eaux naturelles; - la description des volumes a été améliorée; - toutes les figures ont été mises à jour.
Nizkonapetostne električne inštalacije - 7-702. del: Zahteve za posebne inštalacije ali lokacije - Plavalni bazeni in vodnjaki (IEC 60364-7-702:2010, spremenjen)
Posebne zahteve tega dela 60364 veljajo za električne inštalacije:
– v koritih plavalnih in otroških bazenov ter območjih okrog njih;
– v območjih naravnih voda, jezer, v gramoznicah ter obalnih in podobnih območjih, ki so posebej namenjena
osebam za plavanje, čofotanje in podobne namene, ter območjih, ki jih obdajajo.
Taka območja naravnih voda, jezera v gramoznicah ter obalna in podobna območja veljajo za plavalne bazene;
– v koritih vodnjakov in območjih okrog njih.
OPOMBA: Na teh območjih se pri normalni uporabi učinek elektrošoka poveča z zmanjšanjem upornosti telesa in ozemljitvijo telesa.
Za plavalne bazene za medicinsko uporabo lahko veljajo posebne zahteve.
Ta standard ne zajema uporabe premične opreme, npr. opreme za čiščenje bazenov.
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST HD 60364-7-702:2011
01-maj-2011
1DGRPHãþD
SIST HD 384.7.702 S2:2003
1L]NRQDSHWRVWQHHOHNWULþQHLQãWDODFLMHGHO =DKWHYH]DSRVHEQHLQãWDODFLMH
DOLORNDFLMH3ODYDOQLED]HQLLQYRGQMDNL ,(& VSUHPHQMHQ
Low-voltage electrical installations - Part 7-702: Requirements for special installations or
locations - Swimming pools and fountains
Errichten von Niederspannungsanlagen - Teil 7-702: Anforderungen für Betriebsstätten,
Räume und Anlagen besonderer Art - Schwimmbecken und Springbrunnen
Installations électriques à basse tension - Partie 7-702: Règles pour les installations ou
emplacements spéciaux - Piscines et fontaines
Ta slovenski standard je istoveten z: HD 60364-7-702:2010
ICS:
91.140.50 Sistemi za oskrbo z elektriko Electricity supply systems
97.220.10 Športni objekti Sports facilities
SIST HD 60364-7-702:2011 en
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST HD 60364-7-702:2011
HARMONIZATION DOCUMENT
HD 60364-7-702
DOCUMENT D'HARMONISATION
September 2010
HARMONISIERUNGSDOKUMENT
ICS 29.020; 91.140.50 Supersedes HD 384.7.702 S2:2002
English version
Low-voltage electrical installations -
Part 7-702: Requirements for special installations or locations -
Swimming pools and fountains
(IEC 60364-7-702:2010, modified)
Installations électriques à basse tension - Errichten von Niederspannungsanlagen -
Partie 7-702: Règles pour les installations Teil 7-702: Anforderungen
ou emplacements spéciaux - für Betriebsstätten, Räume und Anlagen
Piscines et fontaines besonderer Art -
(CEI 60364-7-702:2010, modifiée) Schwimmbecken und Springbrunnen
(IEC 60364-7-702:2010, modifiziert)
This Harmonization Document was approved by CENELEC on 2010-09-01. CENELEC members are bound to
comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for implementation of this
Harmonization Document at national level.
Up-to-date lists and bibliographical references concerning such national implementations may be obtained on
application to the Central Secretariat or to any CENELEC member.
This Harmonization Document exists in three official versions (English, French, German).
CENELEC members are the national electrotechnical committees of Austria, Belgium, Bulgaria, Croatia, Cyprus,
the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy,
Latvia, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia,
Spain, Sweden, Switzerland and the United Kingdom.
CENELEC
European Committee for Electrotechnical Standardization
Comité Européen de Normalisation Electrotechnique
Europäisches Komitee für Elektrotechnische Normung
Management Centre: Avenue Marnix 17, B - 1000 Brussels
© 2010 CENELEC - All rights of exploitation in any form and by any means reserved worldwide for CENELEC members.
Ref. No. HD 60364-7-702:2010 E
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Foreword
The text of document 64/1724/FDIS, future edition 3 of IEC 60364-7-702, prepared by IEC TC 64,
Electrical installations and protection against electric shock, was submitted to the IEC-CENELEC
parallel vote.
A draft amendment, prepared by TC 64, Electrical installations and protection against electric shock,
was submitted to the formal vote.
The combined texts were approved by CENELEC as HD 60364-7-702 on 2010-09-01.
Attention is drawn to the possibility that some of the elements of this document may be the subject of
patent rights. CEN and CENELEC shall not be held responsible for identifying any or all such patent
rights.
The following dates were fixed:
– latest date by which the amendment has to be implemented
at national level by publication of a harmonized
national standard or by endorsement (dop) 2011-09-01
– latest date by which the national standards conflicting
with the amendment have to be withdrawn (dow) 2013-09-01
Annexes ZA to ZC have been added by CENELEC.
In this standard, the common modifications to the International Standard are indicated by a vertical
line in the left margin of the text.
This document supersedes HD 384.7.702 S2:2002
__________
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CONTENTS
FOREWORD .
INTRODUCTION .4
702 Swimming pools and fountains .5
702.1 Scope .5
702.2 Normative references .5
702.3 Terms and definitions .5
702.30 Assessment of general characteristics .6
702.4 Protection for safety .7
702.5 Selection and erection of electrical equipment .9
Annex A (informative) Examples of zones . 14
Annex ZA (normative) Normative references to international publications with their
corresponding European publications . 18
Annex ZB (informative) List of notes concerning certain countries . 19
Annex ZC (informative) A- deviations . 21
Bibliography . 23
Figure A.702.1 – Zone dimensions for swimming pools and paddling pools (side view) . 14
Figure A.702.2 – Zone dimensions for basin above ground level (side view) . 15
Figure A.702.3 – Examples of zone dimensions (top view) with fixed partitions of height at
least 2,5 m . 16
Figure A.702.4 – Example of determination of the zones of a fountain (side view) . 17
Table 702.1 – Minimum IP number per zone . 10
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INTRODUCTION
The requirements of this part of HD 60364 supplement, modify or replace certain of the general
requirements contained in Parts 1 to 6 of HD 60364/HD 384.
The clause numbering appearing after 702 refers to the corresponding parts or clauses of
HD 60364/HD 384, Parts 1 to 6. Therefore, the numbering of clauses does not necessarily follow
sequentially. Numbering of figures and tables takes the number of this part followed by a sequential
number.
The absence of reference to a part or clause means that the general requirements contained in
Parts 1 to 6 of HD 60364/HD 384 are applicable.
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LOW-VOLTAGE ELECTRICAL INSTALLATIONS –
Part 7-702: Requirements for special installations or locations –
Swimming pools and fountains
702 Swimming pools and fountains
702.1 Scope
The particular requirements of this part of HD 60364 apply to electrical installations of:
– basins of swimming pools and paddling pools and their surrounding zones;
– areas in natural waters, lakes in gravel pits and coastal and similar areas, specially intended to be
occupied by persons for swimming, paddling and similar purposes, and their surrounding zones.
Such areas in natural waters, lakes in gravel pits and coastal and similar areas, are considered as
swimming pools;
– basins of fountains and their surrounding zones.
NOTE In these areas, in normal use, the effect of an electric shock is increased by a reduction in body resistance and contact
of the body with earth potential.
For swimming pools for medical use, special requirements may apply.
This standard does not cover the use of mobile equipment, e.g. pool cleaning equipment.
702.2 Normative references
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced
document (including any amendments) applies.
IEC 60245 (all parts), Rubber insulated cables – Rated voltages up to and including 450/750 V
IEC 60355-2-41, Household and similar electrical appliances - Safety - Part 2-41: Particular
requirements for pumps
HD 60364-4-41:2007, Low-voltage electrical installations - Part 4-41: Protection for safety - Protection
against electric shock
EN 60529:1989, Degrees of protection provided by enclosures (IP Code)
EN 60598-2-18, Luminaires – Part 2: Particular requirements – Section 18: Luminaires for
swimming pools and similar applications
EN 61386-1, Conduit systems for cable management - Part 1: General requirements
702.3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
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702.3.1
fountain
arrangement, typically for decorative purposes, where water issues from a source and fills a basin of
some kind
702.3.2
basin of fountain
part of the fountain which collects discharged water
NOTE See also 702.30.101.
702.3.3
swimming pool
water basin designed for purposes such as swimming, diving, etc. and not for personal cleaning
activity
702.3.4
paddling pool
water basin with low water level, e.g. for playing or wading
702.30 Assessment of general characteristics
702.30.101 General
Add the following:
The requirements of this part are based on the dimensions of three zones, zone 0, zone 1 and zone 2
as described in 702.30.102 to 702.30.104 (see Figures A.702.1 to A.702.4).
For electrical equipment in parts of walls, floors or ceilings limiting the zones specified in 702.30.102 to
702.30.104, but being part of the surface of that wall, floor or ceiling, the same requirements that apply
for the zone limited by the surface shall be fulfilled unless specific requirements exist (see 702.55).
The width of zone 1 or zone 2 may be reduced by fixed partitions having a minimum height of 2,5 m.
The requirements for swimming pools also apply to paddling pools.
For basins of fountains which are intended to be occupied by persons, the specifications and
requirements for zone 0 and zone 1 for swimming pools apply.
NOTE 1 Fixed partitions are fixed separating walls, walls including windows and doors. The zones are also limited by ceilings,
slopes of roofs and floors. Fixed partitions that are lower than 2,5 m are only limiting if they end at a ceiling or slope of a roof.
NOTE 2 When a fixed partition is erected inside a zone, its effects on the zone are illustrated in Figure A.702.3.
NOTE 3 For the installation of a prefabricated swimming pool, the requirements of this standard are applicable.
NOTE 4 Annex A provides some examples of the zones.
702.30.102 Description of zone 0
This zone comprises
– the interior of basins, including any recesses in their walls or floors, and
– the interior of basins for foot cleaning, and
– the interior of waterjets or waterfalls, and the space below them (see Figure A.702.4).
NOTE If the zone cannot be precisely determined under waterjets or waterfalls, it is recommended to take the vertical plane
from the rim of the basin as the horizontal limitation of the zone and the maximum height of the water jet or waterfall as the
limitation of height.
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702.30.103 Description of zone 1
This zone is limited by
– the zone 0 boundaries,
– a vertical plane 2 m from the rim of the basin,
– the floor or surface expected to be occupied by persons,
– the horizontal plane 2,5 m above the floor or the surface expected to be occupied by persons.
NOTE Inaccessible equipment installed in an enclosure below the surface of a floor or wall or above a ceiling is not considered
to be within zone 1 (see 702.55.101.3).
Where the swimming pool contains diving structures, starting blocks, chutes or other components
expected to be occupied or accessible by persons, zone 1 also comprises the zone limited by
– a vertical plane situated 1,5 m around the diving boards, springboards, starting blocks, chutes and
other components such as accessible sculptures and decorative basins,
– the horizontal plane 2,5 m above the highest surface expected to be occupied by persons.
702.30.104 Description of zone 2
This zone is limited by
– the vertical plane external to zone 1 and a parallel plane 1,5 m from the former,
– the floor or surface expected to be occupied by persons, and
– the horizontal plane 2,5 m above the floor or surface expected to be occupied by persons.
There is no zone 2 for fountains.
NOTE Inaccessible equipment installed in an enclosure below the surface of a floor or wall or above a ceiling is not considered
to be within zone 2 (see 702.55.101.3).
702.4 Protection for safety
702.41 Protection against electric shock
Add the following:
NOTE 1 For selection and erection of socket-outlets, see 702.53.
NOTE 2 For selection and erection of other equipment, see 702.55.
702.410.3 General requirements
702.410.3.5
Replace the existing clause by the following:
The protective measures of obstacles and placing out of reach, as specified in Annex B of HD 60364-
4-41, shall not be applied.
702.410.3.6
Replace the existing clause by the following:
The protective measures of non-conducting location, earth-free local equipotential bonding and
electrical separation for the supply of more than one item of current-using equipment, as specified in
Annex C of HD 60364-4-41, shall not be applied.
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702.410.3.101 Particular requirements for each zone
Add the following:
702.410.3.101.1 Zones 0 and 1 of swimming pools and in areas of natural waters, lakes in
gravel pits and coastal and similar areas
In zones 0 and 1 only protection by SELV at a nominal voltage not exceeding 12 V a.c. or 30 V d.c. is
permitted, except where 702.55.104 applies. The source of supply shall be installed external to zones
0 and 1. Where the source of supply is installed in zone 2, 702.53 applies.
702.410.3.101.2 Zones 0 and 1 of fountains
In zones 0 and 1, only the following protective measures shall be employed:
– SELV (see Clause 414 of HD 60364-4-41), the source of supply being installed external to zones 0
and 1; or
– automatic disconnection of supply (see Clause 411 of HD 60364-4-41) using a residual current
protective device with a rated residual operating current not exceeding 30 mA; or
– electrical separation (see Clause 413 of HD 60364-4-41), the separation source supplying a single
item of equipment and being installed external to zones 0 and 1.
702.410.3.101.3 Zone 2 of swimming pools and in areas of natural waters, lakes in gravel
pits and coastal and similar areas
NOTE There is no zone 2 for fountains.
One or more of the following protective measures shall be employed:
– SELV (see Clause 414 of HD 60364-4-41). The source of supply shall be installed external to zone
0 and 1. Where the source of supply is installed in zone 2, 702.53 applies; or
– automatic disconnection of supply (see Clause 411 of HD 60364-4-41) using a residual current
protective device with a rated residual operating current not exceeding 30 mA; or
– electrical separation (see Clause 413 of HD 60364-4-41). The separation source shall supply a
single item of equipment and be installed external to zones 0 and 1. Where the separation source
is installed in zone 2, 702.53 applies.
702.414 Protective measure: extra-low-voltage (SELV and PELV)
702.414.4 Requirements for SELV and PELV circuits
Add the following:
PELV is not permitted.
702.414.4.5
Add the following:
Where SELV is used, whatever the nominal voltage, basic protection (protection against direct
contact) shall be provided by
– barriers or enclosures affording at least the degree of protection according to EN 60529 IP2X or
IPXXB, or
– insulation capable of withstanding a test voltage of 500 V a.c. for 1 min.
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702.415 Additional protection
702.415.2 Additional protection: supplementary protective equipotential bonding
Add the following:
All extraneous-conductive-parts in zones 0, 1 and 2 shall be connected by protective equipotential
bonding conductors to the protective conductors of the exposed-conductive-parts of equipment
situated in these zones.
NOTE 1 This connection with the protective conductor may be provided in close proximity to the location, for example at an
accessory or a distribution board or other equipment.
NOTE 2 See also 702.522.8 and 702.55.101.
Extraneous-conductive-parts are conductive parts not forming part of the electrical installation and
liable to introduce an electric potential, including the electric potential of a local earth – for the scope of
this standard, from outside zones 0, 1 and 2 into these zones.
NOTE 3 Such parts may, for example, be
– metallic pipelines for freshwater, waste water, gas, heating, climate control,
– metallic parts of building construction,
– metallic parts of the basin construction,
– metal reinforcement of non-insulating floors,
– metal reinforcement of concrete basins.
Floors made of individual concrete tiles, the reinforcement of which is fully encapsulated within the tile
and not accessible without damaging the tile, are not considered as extraneous-conductive-parts and
therefore need not be included in additional protective equipotential bonding.
Concrete tiles without metallic reinforcement, tile coverings and topsoil (e.g. lawn) are not considered
as extraneous-conductive-parts and therefore need not be included in additional protective
equipotential bonding.
NOTE 4 The following conductive parts generally need not be included in additional protective equipotential bonding:
– basin ladders and barriers;
– diving structure ladders;
– handrails and handholds on the rim of the basin;
– grid covers including the mounting frames of overflow pipes;
– window frames;
– door frames;
– starting blocks.
702.5 Selection and erection of electrical equipment
702.51 Common rules
702.512 Operational conditions and external Influences
702.512.2 External influences
Add the following:
Electrical equipment shall have at least the IP code (see EN 60529) according to Table 702.1.
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Table 702.1 – Minimum IP number per zone
Zone Outdoor, with Outdoor, without Indoor, with waterjets Indoor, without
waterjets during waterjets during cleaning waterjets
cleaning operation operation
0 IPX5 / IPX8 IPX8 IPX5 / IPX8 IPX8
1 IPX5 IPX4 IPX5 IPX4
2 IPX5 IPX4 IPX5 IPX2
NOTE 1 EN 60529 states that, unless there is a relevant product standard, the test conditions for IPX8 are subject to
agreement between manufacturer and user.
NOTE 2 For zone 0, where waterjets during cleaning operations are expected, both IPX5 (to ensure resistance to the
operations during the cleaning process) and IPX8 (to ensure resistance to the immersion in the water) are necessary (see 4.3 of
EN 60529). Both IPX5 and IPX8 are necessary because IPX8 does not include protection against water jets.
702.52 Wiring systems
702.522 Selection and erection in relation to external influences
702.522.8 Other mechanical stresses
Add the following:
702.522.8.101 Erection according to the zones
In zones 0, 1 and 2, wiring systems shall not have accessible metallic covering. Metallic coverings
which are inaccessible shall be connected to the supplementary equipotential bonding.
NOTE Cables should be installed in conduits to facilitate rewiring.
702.522.8.102 Limitation of wiring systems according to the zones
In zones 0 and 1, wiring systems shall be limited to those necessary to supply equipment situated in
these zones.
Circuits erected in zone 2 or in walls, ceilings or floors delimiting zones 0, 1 or 2 and supplying
equipment outside the zones shall be:
– embedded at a minimum depth of 5 cm; or
– protected by a residual current protective device with a rated residual operating current not
exceeding 30 mA; or
– supplied by SELV; or
– protected by electrical separation.
702.522.8.103 Additional requirements for the wiring of fountains
Only cables of type 66 according to IEC 60245 series or a type with at least equivalent properties shall
be used.
NOTE Their suitability for permanent contact with water should be declared by the cable manufacturer in addition to
compliance with IEC 60245-1 and IEC 60245-4.
Only conduit with classification code X5XX according to the resistance to impact in EN 61386-1 shall
be used.
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For fountains not intended to be occupied by persons the following additional requirements shall be
met:
a) cables or insulated conductors in non-metallic conduit for electrical equipment in zone 0 shall be
installed as far outside the basin rim as possible and run to the electrical equipment inside the
basin by the shortest practicable route. The cables shall be installed in conduits to facilitate
rewiring;
b) in zones 0 and 1, cables or insulated conductors in non-metallic conduit shall be installed with
suitable mechanical protection.
702.522.8.104 Junction boxes
Junction boxes shall not be installed in zone 0.
In zone 1, only junction boxes for SELV circuits are permitted (see 702.410.3.101).
702.53 Switchgear and controlgear
Add the following:
In zone 0, no switchgear or controlgear, including socket-outlets, shall be installed.
In zone 1, switchgear, controlgear and socket-outlets may be installed only if supplied by SELV, the
source of supply of which being installed outside zones 0 and 1. Where the source for SELV is
installed in zone 2 its supply circuit shall be protected by a residual current protective device with a
rated residual operating current not exceeding 30 mA.
In zone 2, switchgear, controlgear and socket-outlets are not allowed unless protected by one of the
following protective measures:
a) SELV (see 414.3 of HD 60364-4-41), the source of supply being installed outside zones 0 et 1.
Where the source for SELV is installed in zone 2, its supply circuit shall be protected by a residual
current protective device with a rated residual operating current not exceeding 30 mA; or
b) automatic disconnection of the supply with additional protection (see 415.1 of HD 60364-4-41),
using a residual current protective device with a rated operating current not exceeding 30 mA; or
c) electrical separation (see Clause 413 of HD 60364-4-41), supplied individually by the separation
source which is installed outside zones 0 and 1. Where the source for electrical separation is
installed in zone 2 its supply circuit shall be protected by a residual current protective device with a
rated residual operating current not exceeding 30 mA.
702.55 Other equipment
Add the following:
702.55.101 Current-using equipment of swimming pools
702.55.101.1 In zones 0 and 1, only fixed current-using equipment especially designed for use in
swimming pools may be installed, taking into account the requirements of 702.55.102 and 702.55.104.
702.55.101.2 Fixed connected swimming pool cleaning equipment intended to be used in zones 0
and 1 shall be supplied by SELV not exceeding 12 V a.c. or 30 V d.c. with the source being installed
outside zones 0 and 1. Where the source of supply is installed in zone 2, 702.53 applies (see
702.410.3.101.1).
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702.55.101.3 Feed pumps, or other special electrical equipment especially intended for use in
swimming pools located in a room or location adjacent to the swimming pool and accessible via a
hatch (or door) located on the deck surrounding the swimming pool, shall be protected by one of the
following protective measures:
a) SELV not exceeding 12 V a.c. or 30 V d.c. with the source being installed outside zones 0 and 1.
Where the source of supply is installed in zone 2, 702.53 applies (see 702.410.3.101.1);
b) electrical separation according to Clause 413 with simultaneous fulfilment of the following
conditions:
– where the pump or other equipment is connected to the swimming pool basin, the connection
shall only be made by non-conductive water piping;
– it shall only be possible to open the hatch or the door by means of a key or tool;
– all equipment installed in the room or location shall have a degree of protection of at least IPX5
or such protection shall be provided by an enclosure.
c) automatic disconnection of the power supply with simultaneous fulfilment of the following
conditions:
– where the pump or other equipment is connected to the swimming pool basin, the connection
shall be made by either electrically insulated water piping, or metal water piping connected to
the pool basin's equipotential bonding:
– it shall only be possible to open the hatch or the door by means of a key or tool;
– all equipment installed in the room or location shall have a degree of protection of at least IPX5
or such protection shall be provided by an enclosure;
– additional equipotential bonding shall be installed in accordance with 702.415.2;
– the equipment shall be protected by a residual current protective device with a rated residual
operating current not exceeding 30 mA.
NOTE The room where the equipment is located is considered to be outside zones 1 and 2.
702.55.102 Underwater lighting of swimming pools
Luminaires for use in the water or in contact with the water shall comply with EN 60598-2-18.
Underwater lighting located behind watertight portholes and serviced from behind shall be installed in
such a way that no intentional or unintentional conductive connection between any exposed-
conductive-part of the underwater luminaires and any conductive parts of the portholes can occur.
702.55.103 Electrical equipment of fountains
Electrical equipment in zones 0 and 1 shall be inaccessible, e.g. by use of mesh glass or by grids
which can be removed only by tools.
Electric pumps shall comply with the requirements of EN 60335-2-41.
702.55.104 Special requirements for the installation of low voltage electrical equipment in
zone 1 of swimming pools
702.55.104.1 Fixed equipment (e.g. filtration systems, jet stream pumps), especially intended for use
in swimming pools and supplied at low voltage, is allowed in zone 1 provided all the following
requirements are met:
a) the equipment shall be located inside an enclosure equivalent to supplementary insulation and
providing protection against mechanical impact AG2;
b) the requirements of 702.55.101.3 apply;
c) the opening of the hatch specified in 702.55.101.3 shall result in the disconnection of all live
conductors of the equipment located in the enclosure. The supply cable and the main
disconnecting means shall be installed in a way which provides protection of class II or equivalent
insulation.
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SIST HD 60364-7-702:2011
– 13 – HD 60364-7-702:2010
702.55.104.2 For swimming pools where there is no zone 2, lighting equipment supplied by circuits
other than SELV not exceeding 12 V a.c. or 30 V d.c. (see 702.410.3.101.1) may be installed in zone
1 on a wall or on the ceiling provided that both the following requirements are fulfilled:
– the circuit is protected by automatic disconnection of supply and additional protection by using a
residual current protective device with a rated operating current not exceeding 30 mA, and
– the height of the lower part of the lighting equipment is at least 2 m from the lower limit of zone 1.
702.55.105 Floor and ceiling heating systems
NOTE See also HD 60364-7-753.
Electric heating units embedded in the floor may be installed, provided that they are protected by
either:
– SELV (see Clause 414 of HD 60364-4-41), the source of supply being installed outside zones 0
and 1. Where the source of supply is installed in zon
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