Old Fuse Box Trip Switch

How does a fuse work.

Old fuse box trip switch.

Once reset plug your appliances back in one at a time and switch them back on. In the case of loss of electric light or power your fuse box or consumer unit will either have fuses or trip switches. Older ones have fuse holders and when a fuse is blown it must be replaced or rewired. In a traditional fuse box each fuse.

The expression trip the fuse has gone out of fashion. Our presenter locates a traditional fuse box where she rewires the blown fuse. Fuse boxes operate similarly to breakers but require a different process to restore the circuit if a fuse blows once you have located the main circuit breaker box open the metal door and look for a bank of switches arranged in rows. Unplug all of your appliances and try resetting the fuse switch.

If a fault develops a switch is tripped and the circuit is broken. Every time there was a power overload these little bars melted and had to be replaced. Turn off and unplug the appliance before resetting the switch. Locating the root of the problem is largely a process of elimination and something you can do yourself.

That is when houses had little lead and ceramic bars. Modern electric circuits are fitted with a circuit breaker fuse system. If the switch trips again you ll know it s the last appliance that you plugged in and switched on. A fuse switch that keeps tripping is usually caused by a faulty electrical item or an overloaded circuit.