If a fault develops a switch is tripped and the circuit is broken.
Old fuse box trip switch.
The little bars were then replaced with fuses which were easier to change when they melted and then came the electrical panel with various levers.
If the switch trips again you ll know it s the last appliance that you plugged in and switched on.
Once reset plug your appliances back in one at a time and switch them back on.
Turn off and unplug the appliance before resetting the switch.
Every time there was a power overload these little bars melted and had to be replaced.
The expression trip the fuse has gone out of fashion.
Locating the root of the problem is largely a process of elimination and something you can do yourself.
Unplug all of your appliances and try resetting the fuse switch.
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.
A fuse switch that keeps tripping is usually caused by a faulty electrical item or an overloaded circuit.
How does a fuse work.
In a traditional fuse box each fuse.
Change a fuse in a traditional fuse box.
In the case of loss of electric light or power your fuse box or consumer unit will either have fuses or trip switches.
Our presenter locates a traditional fuse box where she rewires the blown fuse.
Here we ll talk you through how to work out why your electric keeps tripping and how to repair a tripped fuse.