Equipment & SystemsQuestion 314 of 521
The top of a wet-niche underwater pool luminaire lens (other than a listed low-voltage unit) must be installed at least how far below the normal water level?
a.6 inches
b.12 inches
c.24 inches
d.18 inches
Explanation
Section 680.23(A)(5) requires the top of a wet-niche luminaire lens to be at least 18 inches below the normal water level. Listed low-voltage luminaires with no exposed metal parts may be as little as 4 inches below the surface, but the general rule is 18 inches.
Law Reference: 2023 NEC §680.23Practice all 521 questions free — no signup required.
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