Pool Light transformers need to conform to UL 379 (Pool, Spa and Fountain Power Unit Standard) and be "Listed".
When replacing a light fixture that is in a wet niche, is the new fixture required to be UL Listed? I'm considering a fixture from sunseeker, but it is not UL. I would really like to go with the SS fixture, but don't want to do something wrong.
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UL 379
Power Units for Fountain, Swimming Pool, and Spa Luminaires
UL 379 | UL Standards & Engagement | UL Standard | Edition 1 | Power Units for Fountain, Swimming Pool, and Spa Luminaires | Published Date: June 19, 2013 | ANSI Approved: November 04, 2022
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1.7. TRANSFORMERS AND POWER UNITS
General. Products Listed in this category are enclosed transformers and DC output power supplies.
They are intended to supply luminaires in fountains, swimming pools, and spas in accordance with Article 680 of the NEC®.
The primary rating is 120 volts and the maximum secondary rating is 15 V rms or 30 Vdc and 1 kVA.
Listing Mark. The UL Listing Mark for these units includes by the product names “Fountain Transformer”, “Swimming Pool Transformer,” “Spa Transformer,” or “Fountain, Swimming Pool or Spa Transformer”, “Fountain Power Unit,” “Swimming Pool Power Unit,” “Spa Power Unit,” or “Fountain, Swimming Pool or Spa Power Unit.”
Special Markings:
Swimming Pool Junction Box Use.
Unless marked otherwise, these transformers are not suitable for connection to a conduit which extends directly to a wet-niche or no-niche luminaire.
Transformers not suitable for this use are to be used with a swimming pool junction box.