When an more than rated current passes through it, because of short in equipments or mal functioning of equipments the mcb gets tripped. The reason is magnetic contact in mcb is rated and when that rating exceeds the contact may disconnect
A switch can cause an electrical short circuit if it has become damaged and grounds out the power. The simplest solution would be to test the circuit without the switch and simply wire the connectors together.
Overloaded circuit, short in circuit, or defective switch.
There are two conditions that would cause a breaker to trip off. One is an overload of the circuit and the other is a short circuit on the circuit. The heating element within the breaker is what monitors for circuit overloads.
the maximum short current that can be safely break by the circuit breaker.
A circuit breaker must be reset to ON after a short circuit but does not need to be replaced. It depends on the type of CB. A fuse is also a circuit breaker and it needs to be replaced after a short circuit. Relayed circuit breakers have to be "picked up" after a dropout and need not be replaced as such.
Yes! A socket is a part of a circuit. Usually there are a number of sockets and lights associated with a specific circuit. The wiring of the circuit and the circuit breaker are limited to a specific amperage. If you exceed the amperage, you can blow the breaker. If the wire is rated for 15 amps and the circuit breaker is rated for 20 amps, the wires can overheat and cause fires.
you have a short to ground in the electrical circuit that that breaker is on.
Bad switch or a short and tripped the breaker.
It takes a finite amount of time to trip a breaker. The short you caused may not have tripped the breaker. If the dryer is no longer working there may be an internal reset that has tripped.
how do i find a short in my head lights ,tail lights work but not my head lights
If you can plug the fridge into another outlet and it comes on, then the issue is either a bad outlet connection or the circut breaker may be going out and needs replacement. Try the fridge on another outlet 1st. If it trips that one too then there is a short in your fridge.
check for an overload or short
The bulbs are in connected series. There was a short circuit and the circuit breaker tripped.
A short, which will trip the main breaker.
A bad circuit breaker. Replace it.
Headlights have a thermal circuit breaker. A short to the headlight (positive to ground) will cause the breaker to trip. The breaker cools and the lights come back on till the breaker heats up. Find the short and fix it.
A breaker trips when its rated current has either been slightly exceeded over a period of time or grossly exceeded instantaneously.
Because you have blown a fuse or tripped a circuit breaker. This is caused by a) too much equipment plugged into a single circuit, or b) faulty equipment causing a short circuit.