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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. Portable appliance testing - Wikipedia

   en.wikipedia.org/wiki/Portable_appliance_testing

   If the RCD is live, pressing the RCD's own test button should always trip the RCD). The RCD tester should be connected with the socket, with earth terminal and select the testing range 'delta' (10 mA, 30 mA, 100 mA, 300 mA, 500 mA). Select half delta range, and press TEST button - the RCD should not operate, this ensures against nuisance tripping.

4. Electrical safety testing - Wikipedia

   en.wikipedia.org/wiki/Electrical_safety_testing

   RCD testing: on modern electrical systems RCD's and RCBO's are regularly fitted, these devices react to electricity leaking from the circuit. Leakage may happen when a person touches live parts, which can cause electricity to passes through their body instead of the normal circuit return path.

5. Circuit breaker - Wikipedia

   en.wikipedia.org/wiki/Circuit_breaker

   A shunt-trip unit appears similar to a normal breaker and the moving actuators are ganged to a normal breaker mechanism to operate together in a similar way, but the shunt trip is a solenoid intended to be operated by an external constant-voltage signal, rather than a current, commonly the local mains voltage or DC. These are often used to cut ...

6. Earth-leakage circuit breaker - Wikipedia

   en.wikipedia.org/wiki/Earth-leakage_circuit_breaker

   In practice RCD nuisance trips are much more common. Another cause of nuisance tripping is due to accumulated or burden currents caused by items with lowered insulation resistance. This may occur due to older equipment, or equipment with heating elements, or even wiring in buildings in the tropics where prolonged damp and rain conditions can ...

7. Jay-Z's attorney says in new filing that rape allegations are ...

   www.aol.com/entertainment/jay-zs-attorney-says...

   A lawyer for Shawn "Jay-Z" Carter is fighting back against the sexual assault allegations he's facing in a new lawsuit.

8. Trump and Senate Republicans still divided on how to ...

   www.aol.com/trump-meet-gop-senators-same...

   After meeting with Senate Republicans on Capitol Hill Wednesday, President-elect Donald Trump appeared ambivalent about the debate over whether to craft two legislative attempts to reshape fiscal ...

9. Meghan Markle's Body Language Speaks Volumes in New Footage ...

   www.aol.com/meghan-markles-body-language-speaks...

   Meghan Markle is back and better than ever. Not only did the Suits actress make her triumphant return to IG in a sweet video celebrating the new year, but she also announced her brand new Netflix ...