Hot Tub Wiring

Dry-Niche Luminaires. These luminaires are intended for installation
only in the wall of a swimming pool or a field-fabricated spa, unless accompanying installation instructions describe the option of installation
in the bottom of the pool or spa. These luminaires are intended to be installed with the top of the lens not less
than , unless otherwise marked. They are designed for servicing from
the rear through a passageway behind the pool or spa wall, or, if mounted in the bottom of the pool or spa, in
a tunnel underneath the pool or spa. When the luminaire is properly installed in a housing or “niche,”
should enter the niche.
Wet-Niche Luminaires. These luminaires are intended for permanent installation only in the wall of a swimming pool or field-fabricated spa, unless accompanying installation instructions describe the additional option of
installation in the bottom of the pool or spa. These luminaires are also intended to be installed with the top of
the lens below the normal water level, unless otherwise marked. These luminaires are
intended for installation in permanently installed luminaire housings (forming shells) in which the luminaire will
be completely surrounded by water in the normal installation. These luminaires are marked to indicate the proper
luminaire housing or housings with which they are to be used, and the luminaire housings are marked to indicate
the luminaire or luminaires with which the housing is to be used. These luminaires are provided with a factoryinstalled,
that extends at least 12 feet outside the luminaire enclosure. This
permits the luminaire to be removed from the luminaire housing and lifted to the pool or spa deck for servicing
without lowering the water level or disconnecting the luminaire from the branch-circuit conductors. Luminaire
housings that are intended to be used with luminaires provided with a , Type SJ, SJT or
SJTO flexible cord are marked for use with 3/4-inch or larger conduit. It is not intended that conduit reducers
and conduit with a trade by the threaded hub of the luminaire (fixture)
housing be used.
No-Niche Luminaires. These luminaires are intended for permanent installation only in the wall of a swimming
pool or a field-fabricated spa, unless accompanying installation instructions describe the option of installation
in the bottom of the pool or spa. These luminaire are also intended to be installed with the top of the lens not
less than 18 inches below the normal water level, unless otherwise marked. In addition, these luminaires are
intended to be mounted to a bracket that is permanently secured in or on the wall where the luminaire will be
completely surrounded by water. These luminaires, like wet-niche types, are provided with a factory-installed,
permanently attached flexible cord that extends outside the luminaire enclosure. The luminaires
are marked with an identification of the mounting brackets for which they are suitable. The mounting brackets
are also marked with an identification of the luminaires for which they are suitable.