Frost King HC12A Cold Weather Valve and Pipe Heating Cable, 12' BF20 may be used for interior

may be used for interior branch circuit wiring in residential or agricultural buildings at conductor temperatures not to exceed 90°C (with ampacity limited to that for 60°C conductors) as specified by the National Electrical Code

Chain-drive gearing mechanism gives you up to 3x more cutting power than traditional designs

Antimicrobial protection

hose size is 5/16"

The Master Mechanic 7-Piece SAE long

Frost King HC12A Cold Weather Valve and Pipe Heating Cable, 12' BF20 may be used for interiorPerfect for unheated or poorly insulated areas. Runs along pipe and valves, providing steady heat to stop ice before it forms. Easy to follow instructions included. Highlights: Size: 12' Pre assembled set Power indicator light in plug Prevents costly pipe damage Easy to follow instructions included