Wall electric heater
Wall electric heater means an electric heater (excluding baseboard electric heaters) which is intended to be recessed in or surface mounted on walls, which transfers heat by radiation and/or convection (either natural or forced) and which includes forced convectors, natural convectors, radiant heaters, high wall or valance heaters.
Source
10 CFR § 430.2
Scoping language
For purposes of this part, words shall be defined as provided for in section 321 of the Act and as follows -