Siemens QF120A Circuit Breaker, GFCI, Type QPF, 20 A, 1 -Pole, 120 V, Plug Mounting wild-birdfeed-and-feeders--01-02-26 Its grooved hex shank prevents

Its grooved hex shank prevents slipping and fits all standard 1/4 in quick change chucks

Blade Thickness: 11

No wax needed

The surge protector length is 18 in

Siemens QF120A Circuit Breaker, GFCI, Type QPF, 20 A, 1 -Pole, 120 V, Plug Mounting wild-birdfeed-and-feeders--01-02-26 Its grooved hex shank preventsAbout This Product Ground fault circuit interrupters are an effective means of preventing severe electrical shock. To protect equipment from damaging ground faults, Siemens GFCIs continuously monitor the difference in current between the hot and neutral conductors. If the electricity going to an outlet equals the current coming back from the outlet, the GFCI is dormant. If the electricity going to an outlet is greater than 5 mA than the current coming