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2. HVAC acting up? Try these tips - AOL

   www.aol.com/hvac-acting-try-tips-001600634.html

   If your circuit breaker keeps tripping, odds are you have a more serious problem. Either your circuit breaker needs to be serviced or your AC has larger electrical system needs. Either way, it’s ...

3. Electrical fault - Wikipedia

   en.wikipedia.org/wiki/Electrical_fault

   Analysis of the prospective short-circuit current is required for selection of protective devices such as fuses and circuit breakers. If a circuit is to be properly protected, the fault current must be high enough to operate the protective device within as short a time as possible; also the protective device must be able to withstand the fault ...

4. Circuit breaker - Wikipedia

   en.wikipedia.org/wiki/Circuit_breaker

   A circuit breaker is an electrical safety device designed to protect an electrical circuit from damage caused by current in excess of that which the equipment can safely carry (overcurrent). Its basic function is to interrupt current flow to protect equipment and to prevent fire.

5. Arc fault - Wikipedia

   en.wikipedia.org/wiki/Arc_fault

   Two types of wiring protection are standard thermal breakers and arc fault circuit breakers. Thermal breakers require an overload condition long enough that a heating element in the breaker trips the breaker off. In contrast, arc fault circuit breakers use magnetic or other means to detect increases in current draw much more quickly.

6. Power system protection - Wikipedia

   en.wikipedia.org/wiki/Power_system_protection

   Circuit breakers or RCDs to open/close the system based on relay and autorecloser commands; Batteries to provide power in case of power disconnection in the system; Communication channels to allow analysis of current and voltage at remote terminals of a line and to allow remote tripping of equipment.

7. 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.