IEC 60364-7-702:2010
(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
IEC 60364-7-702:2010 applies 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.
For swimming pools for medical use, special requirements may apply. This third edition cancels and replaces the second edition published in 1997 and constitutes a technical revision. The main changes with respect to the previous edition are as follows:
- the scope has been improved, including natural areas in natural waters;
- the description of zones has been improved;
- all figures have been updated.
This publication contains colours which are considered to be useful for the correct understanding of its contents.
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.
Cette publication indique qu'elle contient des couleurs qui sont considérées comme utiles à une bonne compréhension de son contenu.
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Standards Content (Sample)
IEC 60364-7-702 ®
Edition 3.0 2010-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Low-voltage electrical installations –
Part 7-702: Requirements for special installations or locations – Swimming
pools and fountains
Installations électriques à basse tension –
Partie 7-702: Exigences pour les installations ou emplacements spéciaux –
Piscines et fontaines
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IEC 60364-7-702 ®
Edition 3.0 2010-05
INTERNATIONAL
STANDARD
NORME
INTERNATIONALE
colour
inside
Low-voltage electrical installations –
Part 7-702: Requirements for special installations or locations – Swimming
pools and fountains
Installations électriques à basse tension –
Partie 7-702: Exigences pour les installations ou emplacements spéciaux –
Piscines et fontaines
INTERNATIONAL
ELECTROTECHNICAL
COMMISSION
COMMISSION
ELECTROTECHNIQUE
PRICE CODE
INTERNATIONALE
S
CODE PRIX
ICS 91.140.50; 29.020 ISBN 978-2-88910-926-5
– 2 – 60364-7-702 © IEC:2010
CONTENTS
FOREWORD.3
INTRODUCTION.5
702 Swimming pools and fountains.6
702.1 Scope.6
702.2 Normative references .6
702.3 Terms and definitions .6
702.4 Protection for safety .8
702.5 Selection and erection of electrical equipment.10
Annex A (informative) Examples of zones .15
Annex B (informative) List of notes concerning certain countries.19
Bibliography.22
Figure A.702.1 – Zone dimensions for swimming pools and paddling pools (side view) .15
Figure A.702.2 – Zone dimensions for basin above ground level (side view) .16
Figure A.702.3 – Examples of zone dimensions (top view) with fixed partitions of height
at least 2,5 m.17
Figure A.702.4 – Example of determination of the zones of a fountain (side view) .18
Table 702.1 – Minimum IP number per zone .11
60364-7-702 © IEC:2010 – 3 –
NTERNATIONAL ELECTROTECHNICAL COMMISSION
____________
LOW-VOLTAGE ELECTRICAL INSTALLATIONS –
Part 7-702: Requirements for special installations or locations –
Swimming pools and fountains
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
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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 60364-7-702 has been prepared by IEC technical committee 64:
Electrical installations and protection against electric shock.
This third edition cancels and replaces the second edition published in 1997 and constitutes a
technical revision.
The main changes with respect to the previous edition are as follows:
– the scope has been improved, including natural areas in natural waters;
– the description of zones has been improved;
– all figures have been updated.
– 4 – 60364-7-702 © IEC:2010
The text of this standard is based on the following documents:
FDIS Report on voting
64/1724/FDIS 64/1728/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.
The reader’s attention is drawn to the fact that Annex B lists all of the “in-some-country”
clauses on differing practices of a less permanent nature relating to the subject of this
standard.
A list of all parts in the IEC 60364 series, under the general title Low-voltage electrical
installations, 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 web site 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.
IMPORTANT – The 'colour inside' logo on the cover page of this publication indicates
that it contains colours which are considered to be useful for the correct
understanding of its contents. Users should therefore print this document using a
colour printer.
60364-7-702 © IEC:2010 – 5 –
INTRODUCTION
The requirements of this part of IEC 60364 supplement, modify or replace certain of the
general requirements contained in Parts 1 to 6 of IEC 60364.
The clause numbering appearing after 702 refers to the corresponding parts or clauses of
1)
IEC 60364, Parts 1 to 6 . Numbering of clauses does not, therefore, necessarily follow
sequentially. Numbering of additional text is shown by the addition of “.101, etc”. Numbering
of figures and tables takes the number of this part followed by a sequential number. For
annexes, the numbering of figures and tables takes the letter of the annex, the number of the
part and a sequential number.
The absence of reference to a part or clause means that the general requirements contained
in Parts 1 to 6 of IEC 60364 are applicable.
___________
1)
For historical reasons, IEC 60364-1:2005 numbering is as follows: 11 Scope; 12 Normative references; 20
Terms and definitions, etc.
– 6 – 60364-7-702 © IEC:2010
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 IEC 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 60335-2-41, Household and similar electrical appliances – Safety – Part 2-41: Particular
requirements for pumps
IEC 60364-4-41:2005, Low-voltage electrical installations – Part 4-41: Protection for safety –
Protection against electric shock
IEC 60529:1989, Degrees of protection provided by enclosures (IP Code)
IEC 60598-2-18, Luminaires – Part 2: Particular requirements – Section 18: Luminaires for
swimming pools and similar applications
IEC 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.
60364-7-702 © IEC:2010 – 7 –
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).
– 8 – 60364-7-702 © IEC:2010
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.
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
IEC 60364-4-41:2005, shall not be applied.
702.410.3.6
Replace the existing clause by the following:
60364-7-702 © IEC:2010 – 9 –
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 IEC 60364-4-41:2005, shall not be applied.
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 IEC 60364-4-41:2005), the source of supply being installed
external to zones 0 and 1; or
– automatic disconnection of supply (see Clause 411 of IEC 60364-4-41:2005) using a
residual current protective device with a rated residual operating current not exceeding
30 mA; or
– electrical separation (see Clause 413 of IEC 60364-4-41:2005), 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 IEC 60364-4-41:2005). 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 IEC 60364-4-41:2005) using a
residual current protective device with a rated residual operating current not exceeding
30 mA; or
– electrical separation (see Clause 413 of IEC 60364-4-41:2005). 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
– 10 – 60364-7-702 © IEC:2010
– barriers or enclosures affording at least the degree of protection according to IEC 60529
IP2X or IPXXB, or
– insulation capable of withstanding a test voltage of 500 V a.c. for 1 min.
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:
60364-7-702 © IEC:2010 – 11 –
Electrical equipment shall have at least the IP code (see IEC 60529) according to
Table 702.1.
Table 702.1 – Minimum IP number per zone
Zone Outdoor, with Outdoor, without Indoor, with Indoor, without
waterjets during waterjets waterjets during waterjets
cleaning operation cleaning operation
0 IPX5 / IPX8 IPX8 IPX5 / IPX8 IPX8
1 IPX5 IPX4 IPX5 IPX4
2 IPX5 IPX4 IPX5 IPX2
NOTE 1 IEC 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 IEC 60529:1989). 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
IEC 61386-1 shall be used.
– 12 – 60364-7-702 © IEC:2010
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 IEC 60364-4-41:2005), 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 IEC 60364-
4-41:2005), using a residual current protective device with a rated operating current not
exceeding 30 mA; or
c) electrical separation (see Clause 413 of IEC 60364-4-41:2005), 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).
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
60364-7-702 © IEC:2010 – 13 –
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 IEC 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 IEC 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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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 IEC 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 IEC 60364-4-41:2005), the source of supply being installed
outside zones 0 and 1. Where the source of supply is installed in zone 2, 702.53 applies;
or
– automatic disconnection of supply, the heating unit being covered by an embedded
earthed metallic grid or by an embedded earthed metallic sheath connected to the
supplementary equipotential bonding specified in 702.415.2 and the supply circuit being
additionally protected by a residual current device with a rated residual operating current
not exceeding 30 mA.
60364-7-702 © IEC:2010 – 15 –
Annex A
(informative)
Examples of zones
1,5 m
1,5 m
Zone 2 Zone 1 Zone 1 Zone 2
Zone 0
Zone 0
1,5 m 2,0 m
2,0 m 1,5 m
Zone 0
IEC 1003/10
NOTE The measured zone dimensions are limited by walls and fixed partitions.
Figure A.702.1 – Zone dimensions for swimming pools and paddling pools (side view)
2,5 m
2,5 m
– 16 – 60364-7-702 © IEC:2010
1,5 m
2,0 m
1,5 m
Zone 1
Zone 2
Zone 2
Zone 0
Zone 0
1,5 m 2,0 m 2,0 m 1,5 m
IEC 1004/10
NOTE The measured zone dimensions are limited by walls and fixed partitions.
Figure A.702.2 – Zone dimensions for basin above ground level (side view)
2,5 m
2,5 m
2,5 m
2,5 m
60364-7-702 © IEC:2010 – 17 –
Outside zones
r = 3,5 m
r = 2,0 m
r = 2,0 m
r = 2,0 m
Thread gauge for
distance (Zone 2)
S
2,0 m 1,5 m
Zone 0
Thread gauge for
distance (Zone 1)
S
r = 3,5 m
r = 2,0 m
Zone 1
r = 3,5 m
Zone 2
IEC 1005/10
NOTE The thread gauge for distance could be, in this case, a string of specified length.
Figure A.702.3 – Examples of zone dimensions (top view) with fixed partitions of height at least 2,5 m
(see Figure 701.1 of IEC 60364-7-701:2006 for locations containing bath tubs)
1,5 m
2,0 m
Foot cleaning
Zone 0
– 18 – 60364-7-702 © IEC:2010
2,0 m 2,0 m 2,0 m 2,0 m
Water in zone 0 : Basin of fountain, waterfall and fountain space
Volumes below waterjets and waterfalls to be considered as zone 0
Zone 1
Basin
2,0 m
Basin
Soil
IEC 1006/10
Figure A.702.4 – Example of determination of the zones of a fountain (side view)
2,5 m
2,5 m
2,5 m
2,5 m
60364-7-702 © IEC:2010 – 19 –
Annex B
(informative)
List of notes concerning certain countries
Country Clause Text
DE Scope In Germany “other water basins” is also included in the scope.
DE 702.11 Add 4th dash:
Other water basins and their surrounding zones
JP 702 In Japan, " Source for SELV " shall not be installed in zone 0, zone 1 and zone 2
DE 702.3.105 Other water basins: This includes for example basins without fountains as well as
artificial garden ponds
DE 702.3.105.101 Occupiable water basins:
New Basins which can be occupied or accessed by persons without the use of ladders
or similar means. This includes paddling pools. The requirements for occupiable
pools are the same as for basins of swimming pools
DE 702.3.105.102 Non-occupiable water basins:
New Basins which are not intended to be occupied or accessed by persons and which
a) cannot be occupied by persons without the use of ladders or similar means, or
which
b) are located in rooms or zones which can only be accessed by adequately
instructed persons
DE 702.30.04 Only non-occupiable water basins of fountains and non-occupiable other water
basins have no zone 2
CH 702.30.101 The requirements for swimming pools also apply to basins of fountains, if they can
be accessed by persons without the use of ladders or similar means
ES 702.410.3.101.1 In Spain, the separation source can be installed in zone 1
DE 702.410.3.101.1 Add in the title:
“, basins of fountains, which are intended to be occupied by persons and
occupiable water basins
Delete “of swimming pools” in the text
DE 702.410.3.101.2 Add in the title:
“, basins of fountains, which are not intended to be occupied by persons and non-
occupiable water basins
ES 702.410.3.101.2 In Spain, where SELV is used, it shall present a nominal voltage not exceeding
12 V a.c. or 30 V d.c.
AT 702.410.3.101.2 Replace the second indent by:
– automatic disconnection of supply (see clause 411 of IEC 60364-4-41:2005) and
additional protection using a residual current protective device with a rated
residual operating current not exceeding 30 mA (see 415.1 of IEC 60364-4-
41:2005);
CH 702.410.3.101.2 Replace the second indent by:
– automatic disconnection of supply (see clause 411 of IEC 60364-4-41:2005) and
additional protection using a residual current protective device with a rated
residual operating current not exceeding 30 mA (see 415.1 of IEC 60364-4-
41:2005);
AT 702.410.3.101.3 Replace the second indent by:
– automatic disconnection of supply (see Clause 411 of IEC 60364-4-41:2005)
and additional protection using a residual current protective device with a rated
residual operating current not exceeding 30 mA (see 415.1 of IEC 60364-4-
41:2005);
– 20 – 60364-7-702 © IEC:2010
Country Clause Text
CH 702.410.3.101.3 Replace the second indent by:
– automatic disconnection of supply (see Clause 411 of IEC 60364-4-41:2005)
and additional protection using a residual current protective device with a rated
residual operating current not exceeding 30 mA (see 415.1 of IEC 60364-4-
41:2005);
DE 702.415.2 To add :
NOTE 4 For example, extended concrete tiles with reinforcement (e.g. mild steel
mats) with earth contact are regarded as non-insulating floors. Effective additional
equipotential bonding is obtained if this reinforcement is tied together by metal
binding wire or soldered and connected to the equipotential bonding conductor. In
this case the effect that is achieved is similar to the effect of potential grading.
Insulating floors do not require potential grading.
ES 702.512.2 In Spain, the minimum IP number applicable to zone 1 in outdoor installations
without jets is IPX5
DE 702.52 Accepted as SCN as follows :
The following specifications shall be applied for embedded cables within walls,
ceilings or floors at a minimum depth of 6 cm and for surface-mounting
installations.
National note: Flat webbed house wires (German: Stegleitungen) according to
DIN VDE 0250-201 (VDE 0250 part 201) shall not be installed.
ES 702.522.8.104 In Spain, where junction boxes are used, they shall have a protection degree at
least equal to IPX5 and their opening shall only be possible by means of a key or
a tool
ES 702.53 In Spain, where the installation of socket-outlets outside zone 1 is not possible
(e.g. in swimming pools without zone 2), they may be installed out of reach (at
least 1,25 m from the edge of zone 0 and at least 0,3 m above the floor). In this
case, they shall also be protected by one of the measures applicable to socket-
outlets installed in zone 2
AT 702.53 Replace the text of letter b) of the third paragraph by :
b) automatic disconnection of supply (see Clause 411 of IEC 60364-4-41:2005)
and additional protection using a residual current protective device with a rated
residual operating current not exceeding 30 mA (see 415.1 of IEC 60364-4-
41:2005);
CH 702.53 Replace the text of letter b) of the third paragraph by :
b) automatic disconnection of supply (see Clause 411 of IEC 60364-4-41:2005)
and additional protection using a residual current protective device with a rated
residual operating current not exceeding 30 mA (see 415.1 of IEC 60364-4-
41:2005);
ES 702.55.101.1 Add for Spain:
NOTE In Spain, swimming pools without zone 2 in which it is not possible to
install luminaires outside volume 1, their installation is permitted 1,25 m from the
edge of volume 0 and they shall be protected by either:
– SELV, or
– a residual current device with a maximum tripping current of 30 mA, or
– by electrical separation, where the separated supply is installed outside
volumes 0 and 1.
AT 702.55.101.3 Amend the text of letter c), fifth indent, as follows:
– independent from automatic disconnection of supply (see Clause 411 of
IEC 60364-4-41:2005), the equipment shall be protected by additional protection
using a residual current protective device with a rated residual operating current
not exceeding 30 mA (see 415.1 of IEC 60364-4-41:2005).
60364-7-702 © IEC:2010 – 21 –
Country Clause Text
ES 702.55.101.3
NOTE 1 In Spain, the opening of the hatch (or door) shall disconnect all live
conductors of the equipment.
NOTE 2 In Spain, the protective measure SELV is limited to 25 V a.c. or 60 V
d.c., provided that the safety power supply is situated outsi
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