Each set of HeatTrak Residential Snow-Melting Mats and Industrial Stair Mats requires one Power Unit to connect the system to an electrical outlet. The Power Unit connects your system to a 120V electrical outlet and allows power to flow to the mats. You can connect up to 15 amps on a single Power Unit. If your connected mats exceed 15 Amps, you will have to split up the mats and add a second Power Unit to plug into a separate outlet. See Installation Guide for more information. Model HR-P is only compatible with Residential Mats and Industrial Stair Mats (you do not need to purchase this item for Industrial Walkway Mats). The Power Unit contains a 6 foot cord and its own GFCI (ground fault circuit interrupter).

　　- Patented watertight connector mechanism makes connecting easy and safe

　　- Rainproof and designed to be left outside all winter long

　　- Cord length: 6 ft.

　　- If outlet is further than 6 feet from Heated Mats use HeatTrak's 25 ft. Cable Extender (HR-EXT25)

　　- Contains inline GFCI (Ground Fault Circuit Interrupter)

　　- Electrical Rating: 15A

　　- HR-P is compatible with Residential Mats and Industrial Stair Mats (This item is not required for industrial walkway mats)

　　- Note: Residential Mats only connect to Residential Mats. They do not connect to Industrial Products

　　- MFG Model # : HR-P

　　- MFG Part # : HR-P