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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. Three-prong adaptor - Wikipedia

   en.wikipedia.org/wiki/Three-prong_adaptor

   Note that an external GFCI receptacle tester may not make an ungrounded GFCI trip, as these testers use the ground connection to simulate a fault. But the test button integrated into the GFCI receptacle should function normally and cause the outlet to shut off until it is reset manually.

4. Electrical wiring in North America - Wikipedia

   en.wikipedia.org/wiki/Electrical_wiring_in_North...

   Ground-fault circuit interrupter (GFCI) protection is required on receptacles in wet locations and locations where there exists an easy path for fault current to travel to earth. This includes all receptacles intended to service kitchen counter surfaces, crawl spaces at or below grade level, basements, garages and accessory buildings, bathrooms ...

5. 10 Safety Tips for Hanging Christmas Lights Like a Pro - AOL

   www.aol.com/lifestyle/10-safety-tips-hanging...

   Additionally, it's a good idea to plug the Christmas lights into a ground-fault circuit interrupter (GFCI) outlet which will automatically shut off power to the lights if it detects electricity ...

6. Never Plug These 12 Things Into Your Power Strip - AOL

   www.aol.com/finance/never-plug-12-things-power...

   A sump pump should always be plugged into a GFCI (Ground Fault Circuit Interrupter) outlet. This type of outlet is designed to cut off power instantly if it detects any electrical imbalance ...

7. 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.

8. Earth-leakage circuit breaker - Wikipedia

   en.wikipedia.org/wiki/Earth-leakage_circuit_breaker

   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 residual-current devices (RCDs, RCCBs or GFCIs) which instead detect leakage current directly.

9. Before sharing your car: Does your auto insurance cover guests?

   www.aol.com/finance/auto-insurance-lending-car...

   They use your car regularly — or more than 10 to 12 times a year. They have their own vehicle but frequently choose to drive yours. They're excluded from your policy due to a poor driving record.