I have noticed recently, that my electicity meter indicates that it is
rated for 80A, but the consumer unit is rated at 100A for the incoming
Is this likely to cause a problem?
If so, what is the best course of action to rectify this?
Would it cost a lot to get the meter replaced with a 100A version?
You will likely only be fused at 60A or 80A in the cutout ("cable head")
which restricts the maximum load before the fuse blows to an amount the
meter is capable of handling safely.
It will not cause you a problem - it simply means that the equipment you
have on your side of the installation is capable of carrying more than
you actually have available from your electricity company.
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IME, the suppliers routinely use meters rated lower than the main cutout
(main fuse). I've had a 40A one on an 80A cutout, and in some commercial
premises I think we used to have a 40A or 60A meter which the supplier
decided was fine when I had the cutout uprated to 100A.
The consumer unit rating is a maximum and is irrelvent, except it should
not really be lower than the main cutout.
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