How do you label a circuit breaker?

Question

I think the breakers in my consumer unit are labelled incorrectly. Am I ok to relabel them or should I get an electrician round to check and label them?

Kawsar · Answer

Yes you can start by switching all breakers off then 1by 1 switch them on and test what operates that breaker. 
IE 
Lights would be 6 amp breaker 
Sockets likely 32 amp 
Cooker 16-20 amp 
Shower 20-40 amp

Stanley · Answer

Its like anything as long as you feel like you can do it yourself your fine. If you dont get an electrician in. It should be easy enough turn off breakers and see what goes off.

Mick · Answer

You should really get a electrician to check why these have been missed label, I would recommend a full eicr be carried out, because if some has missed labeled the consumer unit, what else have they done you can't see

Armanto · Answer

You should get an electrician so he can test the breakers one by one so you know exactly what they are running.

Peter · Answer

Hi ,
I would Recommend you getting an Electrician to check the circuit's due to the unknown. 

Kind Regards 
Assured Developments

Joseph · Answer

It needs an electrician to identify breakers. Ofcause 15a is for sockets, 5amps for lights, 60 or 40 for mains depending with country you are. 30 or 20 amps for the geyser or air condition

Henry · Answer

check the correct marking of the lines to which these MCBs apply, if the user is sure of the correctness, he can do it himself, and if not, ask an electrician to test the lines and mark them correctly

John · Answer

Well, you should not be re-labelling something that you are unsure of as this could be very detrimental to an untrained person. do you own the property or is it a rental property as if its a rental property there should have been an EICR carried out and the landlord should have a copy

Craig · Answer

Hi,
If you are not happy with the labels it is quite easy to alter them.
Turn every single circuit breaker off then turn them on one at a time and basically see what is working and write it down, then turn that circuit off and move to the next one.
Do this for every circuit breaker and if you can relabel each one on the consumer unit great, if there isn't enough room then I recommend numbering each circuit breaker 1 - 12 etc from the main switch to the far end of the consumer unit including unused circuits which you would just mark as spare.
Then make a numbered list of each circuit description that corresponds with your circuit breaker numbers and leave it by the consumer unit.
You can actually also buy circuit description labels to write this info onto if needed.
Hope this helps.
Craig
A C Electrical.

Antony · Answer

I would recommend getting an electrician as previous electricians could have bridged a circuit onto another in the consumer unit. Which if someone was to work on the circuit thinking it is dead, could actually be live.

How do you label a circuit breaker?

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