Momentary Kill Switch
Momentary kill switch. S.P.S.T. normally-closed, momentary push-button. Press to use, release to return. 0.51" diameter red plunger, 0.74" diameter metal bezel. 0.62" diameter threaded bushing mounts in panels up to 0.15" thick. Solder lug terminals attached.
Should first be grounded and then installed in hot wires. Even though there is no terminal for grounding, you must still ground the switch.