4.22.2.4 Storage-Type Water Heaters. A fixed storage-type water heater that has a capacity of 450 L (120 gal) or less shall be considered a continuous load.
FPN: For branch-circuit rating, see 4.22.2.1.
4.22.2.5 Infrared Lamp Industrial Heating Appliances. In industrial occupancies, infrared heating appliance lampholders shall be permitted to be operated in series on circuits of over 150 volts to ground, provided the voltage rating of the lampholders is not less than the circuit voltage.