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2. Three-prong adaptor - Wikipedia

   en.wikipedia.org/wiki/Three-prong_adaptor

   There are several alternatives for connecting newer appliances to two-prong receptacles without rewiring the building: removing the grounding pin of the plug (unsafe), replacing the receptacle with a three-prong outlet (unsafe without proper ground), or replacing the receptacle with a Ground Fault Circuit Interrupter (GFCI). Removing the ...

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) [a] is an electrical safety device, more specifically a form of Earth-leakage circuit breaker, that interrupts an electrical circuit when the current passing through line and neutral conductors of a circuit is not equal (the term residual relating to the imbalance), therefore ...

4. Electrical outlet tester - Wikipedia

   en.wikipedia.org/wiki/Electrical_outlet_tester

   A receptacle tester being used to check for some types of improper wiring of an outlet. For this particular tester, proper wiring is indicated by the two yellow lights. The outlet tester checks that each contact in the outlet appears to be connected to the correct wire in the building's electrical wiring. It can identify several common wiring ...

5. NEMA connector - Wikipedia

   en.wikipedia.org/wiki/NEMA_connector

   The Electrical Safety Foundation International has stated: "Never remove the ground pin (the third prong) to make a three-prong plug fit a two-prong outlet". [18] In addition to the dangers of breaking a ground connection, removing the ground pin to make it fit a 1-15R receptacle or extension cord , may result in the live–neutral polarity ...

6. Electrical burn - Wikipedia

   en.wikipedia.org/wiki/Electrical_burn

   Failure to install a "feed-through" type GFCI to all electrical devices that are an integral part of a Swimming pool, or not testing it weekly. This is a particular concern due to the use of electric lights and pumps where persons are immersed in water. The GFCI has the typical "test" and "reset" buttons, but no plug-in outlets.

7. National Electrical Code - Wikipedia

   en.wikipedia.org/wiki/National_Electrical_Code

   A GFCI detects an imbalance between the current in the "hot" side and the current in the "neutral" side. 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.

8. Stab-Lok - Wikipedia

   en.wikipedia.org/wiki/Stab-Lok

   Interior of a Federal Pacific Electric Stab-Lok circuit breaker panel. Stab-Lok is a brand name of electrical circuit breakers that were manufactured primarily by Federal Pacific Electric from 1950 to 1980.

9. Earth-leakage circuit breaker - Wikipedia

   en.wikipedia.org/wiki/Earth-leakage_circuit_breaker

   An earth-leakage circuit breaker (ELCB) is a safety device used in electrical installations to prevent shock.It consists of either a current sensing mechanism, or a voltage sensing mechanism.