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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 ...
Could such loads cause nuisance tripping when AFCI's are utilized ? 2.127.209.195 ( talk ) 21:32, 24 May 2015 (UTC) [ reply ] This is unlikely since your radio probably has a AC-DC conversion, and whatever noise on the AM station is unlikely to propagate backwards onto the power line due to power supply filtering.
RCDs tripping due to split elements of fixed appliances does not in reality give any added safety, thus is more correctly described as a nuisance trip. I realise this may sound counterintuitive, but bear in mind safety is removal of danger, and danger equals number of deaths, and split immersion elements are simply a non issue from a safety POV.
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.
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 cause the insulation resistance to lower due to ...
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A current, equal to the rated tripping current, shall be "suddenly" applied between active and protective earth and the operating time measured [18] with maximum trip time 40 ms for Type I and 300 ms for Type II. In addition to this, many technicians also test; using 1/2 (half) the rated tripping current to detect nuisance tripping.
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