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Wednesday, July 14, 2021

Question:

Greetings and thank you for this forum. With the 2020 NEC Article 230.71(B) now restricting the " six switch rule" of service disconnecting means mounted in a single enclosure does this now require a single service disconnecting means ahead of a suitable for service equipment listed power outlet RV pedestal with the standard 50, 30, 20 ampere receptacle circuits ?

Kelly Stockwill

A

Answer:

Hi Kelly, Thank you for the question. Section 230.71(B) of the 2020 NEC applies to service equipment generally. If a power outlet in an RV park is service rated equipment and installed as a service, then the requirements in 230.71(B) should be applied. A quick review of Article 551 did not reveal an amendment or modification to that general requirement that provides a relaxation of the rule. Hope this is helpful. 

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CHARLIE TROUT: Charles M. Trout, better known as Charlie, was a nationally known NEC® expert and author. He served on several NEC® technical committees and is past chairman of CMP-12. In 2006 Charlie was awarded the prestigious Coggeshall Award for outstanding contributions to the electrical contracting industry, codes and standards development, and technical training. Even though Charlie passed away in October of 2015, his work continues in spirit. NECA continues to maintain this question forum for its many subscribers in memory and recognition of all his significant contributions to making the NEC what it is today.

NECA STANDARDS: NECA publishes the National Electrical Installation Standards™ (NEIS™), a series of ANSI-approved performance and quality standards for electrical construction. NEIS can be purchased in the NECA Store in three formats: a printed or  PDF download of a standard or, as an  annual subscription service.

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