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2. Safety (firearms) - Wikipedia

   en.wikipedia.org/wiki/Safety_(firearms)

   Safety (firearms) In firearms, a safety or safety catch is a mechanism used to help prevent the accidental discharge of a firearm, helping to ensure safer handling. Safeties can generally be divided into subtypes such as internal safeties (which typically do not receive input from the user) and external safeties (which typically allow the user ...

3. Residual-current device - Wikipedia

   en.wikipedia.org/wiki/Residual-current_device

   A residual-current device (RCD), residual-current circuit breaker (RCCB) or ground fault circuit interrupter (GFCI) is an electrical safety device that interrupts an electrical circuit when the current passing through a conductor is not equal and opposite in both directions, therefore indicating leakage current to ground or current flowing to another powered conductor.

4. Glock switch - Wikipedia

   en.wikipedia.org/wiki/Glock_switch

   Glock switch. A Glock switch or Glock auto-sear (sometimes called a button or a giggle switch) [1] [2] [3] is a small device that can be attached to the rear of the slide of a Glock handgun, converting the semi-automatic pistol into a selective fire machine pistol capable of fully automatic fire. As a type of auto sear, it functions by applying ...

5. Earth-leakage circuit breaker - Wikipedia

   en.wikipedia.org/wiki/Earth-leakage_circuit_breaker

   e. An earth-leakage circuit breaker ( ELCB) is a safety device used in electrical installations with high Earth impedance to prevent shock. It detects small stray voltages on the metal enclosures of electrical equipment, and interrupts the circuit if a dangerous voltage is detected. Once widely used, more recent installations instead use ...

6. Dead man's switch - Wikipedia

   en.wikipedia.org/wiki/Dead_man's_switch

   Dead man's switch. A pedal acting as a dead man's switch in a bucket lift truck. A dead man's switch is a switch that is designed to be activated or deactivated if the human operator becomes incapacitated, such as through death, loss of consciousness, or being bodily removed from control. Originally applied to switches on a vehicle or machine ...

7. Category:Safety switches - Wikipedia

   en.wikipedia.org/wiki/Category:Safety_switches

   Category:Safety switches. Category. : Safety switches. Pertains to electrical switches intended to protect the equipment or end users from harm during fault conditions or other hazardous situations.