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2. 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) [a] 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.

3. 15 Things That Will Always Fail a Home Inspection (and ... - AOL

   www.aol.com/15-things-always-fail-home-160000027...

   When it comes to electrical systems, ungrounded receptacles, exposed light bulbs, double-tapped circuit breakers, and malfunctioning GFCI outlets are all issues a home inspector must note on their ...

4. National Electrical Code - Wikipedia

   en.wikipedia.org/wiki/National_Electrical_Code

   One GFCI receptacle can serve as protection for several downstream conventional receptacles. GFCI devices come in many configurations including circuit-breakers, portable devices and receptacles. Another safety device introduced with the 1999 code is the arc-fault circuit interrupter (AFCI). This device detects arcs from hot to neutral that can ...

5. Electrical fault - Wikipedia

   en.wikipedia.org/wiki/Electrical_fault

   An open-circuit fault occurs if a circuit is interrupted by a failure of a current-carrying wire (phase or neutral) or a blown fuse or circuit breaker. In three-phase systems, a fault may involve one or more phases and ground, or may occur only between phases. In a "ground fault" or "earth fault", current flows into the earth.

6. Bootleg ground - Wikipedia

   en.wikipedia.org/wiki/Bootleg_ground

   In addition, a fault condition to a bootleg ground will not trip a GFCI breaker, nor protect a receptacle that is wired from the load side of a GFCI receptacle. [2] Before 1996, in the United States it was common to ground the frames of large 120/240-volt permanently-connected appliances (such as a clothes dryer or oven) to neutral conductors.

7. Circuit breaker - Wikipedia

   en.wikipedia.org/wiki/Circuit_breaker

   In the United States and Canada, these are called ground fault circuit interrupters (GFCI). Residual-current circuit breaker with overcurrent protection — combines the functions of a RCD and a MCB in one package. In the United States and Canada, these are called GFCI breakers. Earth leakage circuit breaker (ELCB) — This detects current in ...

8. Three-prong adaptor - Wikipedia

   en.wikipedia.org/wiki/Three-prong_adaptor

   Replacing the obsolete receptacle with a GFCI receptacle is the safest alternative, other than installing a new cable from the main circuit breaker panel. If a Ground Fault Circuit Interrupter receptacle is properly functioning, it will interrupt dangerous current to limit the duration of a potentially lethal electric shock from an appliance ...

9. Talk:Residual-current device - Wikipedia

   en.wikipedia.org/wiki/Talk:Residual-current_device

   For example, my rather small house has a 42 pole panelboard (only about 20 poles installed, though; 240 volt appliances get 2-pole circruit breakers), 200 ampere main circuit breaker, with no GFCI circuit breakers mounted and only one AFCI panel mounted circuit breaker for the bedroom receptacles; there are GFCI receptacles for bathroom ...