Electrical installations for spas, hot tubs, and hydromassage tubs must comply with Part I of NEC Art. 680. The requirements that apply specifically to spas and hot tubs are in Part IV. Those that ...
ONTARIO, CA — IAPMO® recently completed Technical Committee Meetings toward the development of the 2027 editions of the Uniform Solar, Hydronics and Geothermal Code (USHGC®) and Uniform Swimming Pool, ...