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In the 2008 NEC, Section 406.8(A) and (B) require receptacles installed in damp or wet locations to be weather-resistant. How will these be identified?

Posted By Underwriters Laboratories, Tuesday, January 01, 2008
Updated: Friday, February 08, 2013

Question: Receptacles in damp or wet locations

In the 2008 NEC, Section 406.8(A) and (B) require receptacles installed in damp or wet locations to be weather-resistant. How will these be identified? Are they also available in GFCI receptacles?

Answer

Weather-resistant receptacles are Listed under the category Receptacles for Plugs and Attachment Plugs, (RTRT), located on page 284 in the 2007 UL White Book. The UL Guide Information for RTRT in the 2007 White Book does not include the marking information for weather-resistant receptacles; however, the information is available on UL’s Online Certification Directory at www.ul.com/database and enter RTRT at the category code search.

The Guide Information for (RTRT) states that "Receptacles for use in wet and damp locations in accordance with Article 406 of the NEC are identified by the words "Weather Resistant” or the letters "WR” where they will be visible after installation with the cover plate secured as intended.” Weather-resistant receptacles are also available as tamper-resistant receptacles.

Ground-fault circuit-interrupter (GFCI) receptacles are Listed under the category Ground-Fault Circuit Interrupters (KCXS), located on page 170 in the 2007 White Book, or on UL’s Online Certification Directory at www.ul.com/database and enter KCXS at the category code search. GFCI receptacles are also available in weather-resistant receptacles as well as weather-resistant and tamper-resistant receptacles.

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Tags:  January-February 2008  UL Question Corner 

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