How to Fix a Tripped fuse or switch – An Electrician’s Guide

Fixing a tripped fuse or switch : An Electrician’s Guide

To address a tripped fuse, you should first identify and correct the underlying cause. Here are some details on fuse box types and how to address the problem for each. If you’re unsure or uncomfortable dealing with electrical issues, it’s advisable to seek professional help.

Note: Do not attempt to resolve tripped switches or fuse boxes if you are uncertain about the cause.

Fuse board types

There are two main fuse box types basically we have the old school fuse boxes and the modern fuse boxes also now widely known as consumer units or fuse boards.

Consumer Unit
Modern Consumer Units
Old fuse box
Old Fuse Box

Differences between Old fuse boxes and Consumer Units

Old fuse boxes have fuses that blow up should there be an anomaly in your electrical system and require a manual replacement. Now with these modern consumer units, the switches go off immediately there is a fault, with no smell of burnt fuse and noise of fuses blowing up. And that is why it is the modern world.

In both cases you will have to identify the underlying cause as mentioned earlier before attempting to replace fuses or put the switches back on.

What anomalies cause the switches to trip or fuses to blow?

  • An overloaded circuit
  • Too many appliances being used at the same time.
  • A faulty or misused appliances
  • Faulty immersion heaters
  • Faulty connections to appliances e.g., televisions or stereos etc.
  • Light bulbs blowing
  • Short circuits
  • Ground faults
  • Loose Wiring
  • Old or Damaged Wiring
  • Faulty Circuit Breaker

How to fix tripped switches on Consumer units?

To fix a tripped switch on new consumer units,

First open the fuse board and check to see if any of the switches are off. Use the indicators on the switch or the fuse box to determine that. In most cases, the switch facing upwards means “ON” and it facing downwards means “OFF”. Turn all those off back on and if it does not stay on, you probably have another issue to resolve or the underlying issue was not fixed properly. How to identify what appliance caused the anomaly.

How to fix tripped fuse on Old Fuse box?

To fix a tripped fuse on an old fuse box,

  1. Turn off the power source.
  2. Take out the blown fuse and insert a replacement.
  3. Then switch the power back on.

To find the right replacement it is best you send the blown fuse along when getting a new one if you don’t understand much about electrical writings.

What to do if the switch goes back off after switching it on?

Should you face the challenge of the switch not staying on it means one or some electrical appliances have a fault. You can narrow down on what is causing it by turning off all the switches and turning them on one by one to see which part of your property does not have functioning electrical systems. You can also just go around the house and see what appliance stopped working. Either way you will know exactly what is causing the issue and you may need to call on qualified electricians to come to your rescue.

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