8.370.20.39 NMAC
Section 39. Electrical Cords, Appliances, And Outlets
A. Electrical cords and appliances must be U/L approved. (1) Electrical cords shall be replaced as soon as they show wear. (2) Under no circumstances shall extension cords be used as a general wiring method. (3) Extension cords must be plugged into an electrical outlet within the room where used and must not be connected in one room and extended to another room. B. The use of multiple sockets (gang plugs) in electrical outlets is strictly prohibited.