Electric Baseboard Convection Heaters are made with a 22 gauge steel front. Convection electric heaters have 20 gauge junction boxes on each end. Junction boxes include quick connect cable clamps and 6 ground lead wires. Electric heaters have a stainless steel heating element and aluminum fins. These convection heaters include standard inlet and outlet wire guards. A full-length wireway and cover are included along the back of the heater. Over-temperature thermal limit extends through the entire heated length. These baseboard heaters allow wall mounting using keyhole knockouts located every 4 on the back. Baseboard heaters measure 2-1/2D x 6H. Bronze powder coat finished housing. Requires Installation. UL listed. 1 Year Limited Warranty.