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Checking Fuses and Circuit Breakers

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Every house has an electrical switchboard. It protects the electrical wiring system at your residence. As part of your home maintenance checks or when doing your next renovations, have a look inside your switchboard. This is where the main power switch, plus a number of fuses, or circuit breakers are placed. Each fuse or circuit breaker connects completely to another area of wiring in your home. Appears to be electrical fault accurse, the fuse will blow or perhaps the circuit breaker will trip, reducing the power preventing overloading or household fire. A circuit breaker could be switched back on, whereas when a fuse blows it must be substituted with a new one.

Always turn off the key power switch if you are changing a fuse together with turning off all electrical appliances and lightweight switches that are connected to the blown fuse. Replace the fuse while using correct current rating. Too high a current rating will cause excessive current to circulate through the circuit. Overheating and even fire can occur.

If a fuse keeps blowing, get one of the many licensed Auckland electricians. There may be hidden electrical problems that you won't have picked up. If possible, swap the fuses within your switchboard with plug-in circuit breakers of the same rating, because these are safer to use and do not require replacing.

Find out what electrical switches and appliances the fuse or circuit breaker protects. Switchboards are usually labelled for easy identification. Or else, ask an electrician to do this for you. This can save you time in identifying a blown fuse or which circuit breaker to modify off.

How to Replace a Fuse

Follow these steps:

1. Turn off the main power switch at the switchboard.
2. Look from the switchboard for a list of where each circuits every fuse connects to.
3. If it is not obvious which fuse has blown, inspect each fuse individually.
4. Once you have found the blown fuse, let down lights and unplug all appliances on that circuit.

Replace the fuse wire. Be sure you use the correct current rating fuse wire. The existing rating is generally indicated about the front of the fuse carrier.

Lighting circuits typically use 5 amp, although not greater than 10 amp fuse wire.
Socket outlets use 10 amp and not greater than 15 amp fuse wire.
Large appliances employ a larger size fuse.
Always cut off any excess fuse wire.

5. Placed the fuse back in its slot and turn back the on the main power switch.
6. In the event the fuse blows again, call a certified electrician.

What to do if a Circuit Breaker Trips?

Should your power goes off because your circuit breaker has tripped follow these steps:

1. Switch off lights and unplug all appliances about the faulty circuit.
2. Push the operating lever for the "on" position, or push from the button on the circuit breaker.
3. Should the circuit breaker continues to trip, it really is get hold of one of the many licensed Auckland electricians.

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