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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, 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 ...

3. 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 ...

4. Three-prong adaptor - Wikipedia

   en.wikipedia.org/wiki/Three-prong_adaptor

   This is called a "false" or "bootleg" ground and is a serious safety hazard [10]: 49 often undetected by common receptacle testers. [1]: 48–49 Replacing the obsolete receptacle with a GFCI receptacle is the safest alternative, other than installing a new cable from the main circuit breaker panel.

5. 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.

6. Electrical wiring in North America - Wikipedia

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

   This device, which can be a circuit breaker or the first outlet on a circuit, is designed to detect hazardous electrical arcing in the branch circuit wiring as well as in cords and plugs. An AFCI device is designed to trip quickly when it detects potentially dangerous arcing that could start a fire, but not trip with harmless arcing as part of ...

7. How USAID freeze could be the most catastrophic for ... - AOL

   www.aol.com/usaid-freeze-could-most-catastrophic...

   In Malawi, clinics could soon be running out of critical HIV medication, unable to replenish their supply since the Trump administration ordered a freeze to U.S. foreign aid. The pause has halted ...

8. NEMA connector - Wikipedia

   en.wikipedia.org/wiki/NEMA_connector

   Tamper-resistant GFCI duplex receptacle type 5-20RA, which can take 5-15 and 5-20 grounding plugs and 1-15 non-grounding plugs. These versions of the 5-15R or 5-20R receptacle are residual-current devices, and have "Test" and "Reset" buttons (and sometimes an indicator light which may be normally on or normally off per the vendor's design). In ...

9. How, Exactly, Did This Gator Climb a Fence? - AOL

   www.aol.com/exactly-did-gator-climb-fence...

   Researchers have found that some alligators can climb as high as 13 feet. So most fences in developed areas cannot deter a motivated gator trying to escape captivity or find water. ©timyee ...