Question: What are the standard voltages recognized by the NEC for load calculations? See answer below. Answer: 120, 120/240, 208Y/120, 240, 347, 416Y/240, ...
Explanation: In Sec. 210.8(D) of the 2023 NEC, a new requirement was added for GFCI protection of clothes dryers rated 60A or less and 150V to ground or less. Lupacchino is a senior design engineer ...