61:15:07:27Extension cords.

Extension cords may not be used as a substitute for permanent wiring and must be used in accordance with the following; (1) Extension cords are permitted only with portable appliances while such appliances are in immediate use; (2) Extension cords must be plugged directly into an electrical receptacle, power tap, or multiplug adapter and may, except for listed multiplug extension cords, serve only one portable appliance; (3) The ampacity of an extension cord may not be less than the rated capacity of the portable appliance supplied by the cord; (4) Extension cords must be maintained in good condition without splices, deterioration, or damage and must be grounded when serving grounded portable appliances; (5) Extension cords and flexible cords may not be affixed to structures; extend through walls, ceilings, or floors or under doors or floor coverings; or be subject to environmental or physical damage.

Source: 18 SDR 107, effective January 1, 1992.