NEC Rules on Swimming Pools and Spas EC&M. A new exception in the 2011 NEC makes it clear that an equipotential bonding grid isn't required around the perimeter of an indoor listed self-contained spa or hot tub when installed above the finished floor [680.43 Ex 2].
Pool wiring requirements - indoor vs outdoor ground. In reading various portions of the 2014 NEC code (section 680 on pools, fountains, and similar installations), I argue that 680.21 (A) (4) applies which states an exception for interior single family dwelling units not requiring an insulated conductor as long as the ground but must be enclosed within the outer sheath of the cable assembly (ie....romex).
Article 680 - Swimming Pool Installations. Article 680 - Swimming Pool Installations. By Mike Holt, for EC&M Magazine. I. General. Article 680 contains restrictive installation and equipment requirements necessary to prevent severe shock to human bodies around swimming pools, spas, hot tubs and fountains.
Photovoltaic Systems, Part 1 EC&M - Home EC&M. Take this weekly quiz to test your knowledge of the 2020 National Electrical Code (NEC) requirements. The Code Quiz features three questions that are presented in a True/False, Fill-in-the-Blank, or Multiple Choice format. The answer to each question is offered up on a separate slide, which follows ...