Prefabricated conductive panels shall not extend beyond the room in which they originate.
Panels shall not be installed on walls.
Panels may be mounted on ceilings.
Panels shall be separated at least 8 inches from lighting fixtures, outlets, and junction boxes, and 2 inches from ventilating openings and other such openings in room surfaces, or sufficient area shall be provided to assure that no heating panels will be covered by surface mounted lighting units.
A separate manual disconnect shall be provided for each space heated.
Thermostatic control shall be provided in each heated space, except that no individual thermostatic control shall switch any combination of heaters totaling more than 7 kilowatts.