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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

   A safer and more reliable alternative identified in the US and Canadian electrical codes is to replace the outlet with a Ground Fault Circuit Interrupter (GFCI) breaker outlet. [3] Cheater plugs are also used to break ground loops in audio systems. [5] This practice has been condemned as disregarding electrical safety.

4. Circuit breaker - Wikipedia

   en.wikipedia.org/wiki/Circuit_breaker

   A Siemens air circuit breaker rated for 1000 V and 2500 A continuous current mounted on a motor control cubicle. Medium-voltage circuit breakers rated between 1 and 72 kV may be assembled into metal-enclosed switchgear line-ups for indoor use or may be individual components installed outdoors in a substation.

5. Industrial and multiphase power plugs and sockets - Wikipedia

   en.wikipedia.org/wiki/Industrial_and_multiphase...

   The yellow 2P+E 16 A version carrying 115 V is used extensively on the London Underground railway system to power temporary usage of heavy-duty fans; it is also frequently used by tradesmen within the UK, built into a portable transformer box that is powered from a standard 13 A 240 V mains supply, to run heavy-duty power-tools designed to ...

6. Here's the Christmas town where Santa’s elves answer ... - AOL

   www.aol.com/news/heres-christmas-town-where...

   Every Christmas season, letters to Santa flood in from kids around the world — but in Santa Claus, Indiana, volunteers become Santa’s elves to ensure every child gets a reply. This small town ...

7. The College Football Playoff committee must answer five ...

   www.aol.com/college-football-playoff-committee...

   The third College Football Playoff rankings will be released Tuesday with some major questions looming for the committee to answer.

8. Mom's Long Covid Turns Out to Be Necrotising Disease of the ...

   www.aol.com/moms-long-covid-turns-necrotising...

   A U.K. mom of three thought she had Long Covid — until doctors discovered that she had a necrotising disease that forced her into a coma.. The long health journey for Sam Lewis, 38, began in ...

9. Arc-fault circuit interrupter - Wikipedia

   en.wikipedia.org/wiki/Arc-fault_circuit_interrupter

   This AFCI (the circuit breaker with the yellow label) is an older generation AFCI circuit breaker. The current (as of 2013) devices are referred to as "combination type." An arc-fault circuit interrupter ( AFCI ) or arc-fault detection device ( AFDD ) [ 1 ] is a circuit breaker that breaks the circuit when it detects the electric arcs that are ...