Page 798 - 2018_IRC

SWIMMING POOLS

E4206.3 Wiring on load side of ground-fault circuit-inter- The end of flexible-cord jackets and flexible-cord conduc-
rupters and transformers. For other than grounding con- tor terminations within a luminaire shall be covered with, or
ductors, conductors installed on the load side of a ground- encapsulated in, a suitable potting compound to prevent the
fault circuit-interrupter or transformer used to comply with entry of water into the luminaire through the cord or its con-
the provisions of Section E4206.4, shall not occupy race- ductors. If present, the grounding connection within a lumi-
ways, boxes, or enclosures containing other conductors naire shall be similarly treated to protect such connection
except where the other conductors are protected by ground- from the deteriorating effect of pool water in the event of
fault circuit-interrupters or are grounding conductors. Supply water entry into the luminaire. [680.23(B)(4)]
conductors to a feed-through type ground-fault circuit-inter- Luminaires shall be bonded to and secured to the forming
rupter shall be permitted in the same enclosure. Ground-fault shell by a positive locking device that ensures a low-resis-
circuit-interrupters shall be permitted in a panelboard that tance contact and requires a tool to remove the luminaire
contains circuits protected by other than ground-fault circuit- from the forming shell. [680.23(B)(5)]
interrupters. [680.23(F)(3)]
E4206.5.1 Servicing. All wet-niche luminaires shall be
E4206.4 Underwater luminaires. The design of an under- removable from the water for inspection, relamping, or
water luminaire supplied from a branch circuit either directly other maintenance. The forming shell location and length
or by way of a transformer or power supply meeting the of cord in the forming shell shall permit personnel to place
requirements of Section E4206.1, shall be such that, where the removed luminaire on the deck or other dry location
the fixture is properly installed without a ground-fault circuit- for such maintenance. The luminaire maintenance location
interrupter, there is no shock hazard with any likely combina- shall be accessible without entering or going into the pool
tion of fault conditions during normal use (not relamping). In water. [680.23(B)(6)]
addition, ground-fault circuit-interrupter protection for per-
sonnel shall be installed in the branch circuit supplying lumi- E4206.6 Dry-niche luminaires. Dry-niche luminaires shall
naires operating at voltages greater than the low-voltage have provisions for drainage of water. Other than listed low-
contact limit to protect personnel performing lamping, voltage luminaires not requiring grounding, a dry-niche lumi-
relamping or servicing. The installation of the ground-fault naire shall have means for accommodating one equipment
circuit-interrupter shall be such that there is no shock hazard grounding conductor for each conduit entry. Junction boxes
with any likely fault-condition combination that involves a shall not be required but, if used, shall not be required to be ele-
person in a conductive path from any ungrounded part of the vated or located as specified in Section E4206.9 if the lumi-
branch circuit or the luminaire to ground. Compliance with naire is specifically identified for the purpose. [680.23(C)(1)
this requirement shall be obtained by the use of a listed and (C)(2)]
underwater luminaire and by installation of a listed ground- E4206.7 No-niche luminaires. No-niche luminaires shall be
fault circuit-interrupter in the branch circuit or a listed trans- listed for the purpose and shall be installed in accordance
former or power supply for luminaires operating at more than with the requirements of Section E4206.5. Where connection
the low-voltage contact limit. Luminaires that depend on sub- to a forming shell is specified, the connection shall be to the
mersion for safe operation shall be inherently protected mounting bracket. [680.23(D)]
against the hazards of overheating when not submerged. E4206.8 Through-wall lighting assembly. A through-wall
[680.23(A)(1), (A)(3), (A)(7) and (A)(8)]
lighting assembly shall be equipped with a threaded entry or
E4206.4.1 Maximum voltage. Luminaires shall not be hub, or a nonmetallic hub, for the purpose of accommodating
installed for operation on supply circuits over 150 volts the termination of the supply conduit. A through-wall lighting
between conductors. [680.23(A)(4)] assembly shall meet the construction requirements of Section
E4206.4.2 Luminaire location. Luminaires mounted in E4205.4 and be installed in accordance with the requirements
walls shall be installed with the top of the fixture lens not of Section E4206.5 Where connection to a forming shell is
less than 18 inches (457 mm) below the normal water specified, the connection shall be to the conduit termination
level of the pool, except where the luminaire is listed and point. [680.23(E)]
identified for use at a depth of not less than 4 inches (102 E4206.9 Junction boxes and enclosures for transformers
mm) below the normal water level of the pool. A lumi- or ground-fault circuit-interrupters. Junction boxes for
naire facing upward shall have the lens adequately underwater luminaires and enclosures for transformers and
guarded to prevent contact by any person or shall be listed ground-fault circuit-interrupters that supply underwater lumi-
for use without a guard. [680.23(A)(5) and (A)(6)] naires shall comply with the following: [680.24(A)]
E4206.5 Wet-niche luminaires. Forming shells shall be E4206.9.1 Junction boxes. A junction box connected to a
installed for the mounting of all wet-niche underwater lumi- conduit that extends directly to a forming shell or mount-
naires and shall be equipped with provisions for conduit ing bracket of a no-niche luminaire shall be:
entries. Conduit shall extend from the forming shell to a suit-
able junction box or other enclosure located as provided in 1. Listed as a swimming pool junction box;
Section E4206.9. Metal parts of the luminaire and forming [680.24(A)(1)]
shell in contact with the pool water shall be of brass or other 2. Equipped with threaded entries or hubs or a nonme-
approved corrosion-resistant metal. [680.23(B)(1)] tallic hub; [680.24(A)(1)(1)]

2018 INTERNATIONAL RESIDENTIAL CODE ® 773
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