In an effort to improve my electrical knowledge, I have been reading some of the books featured on previous threads. In relation to consumer units, I recently read the following:
Should this be cause for concern?
Regards.
My main power switch on the CU is rated at 100 amps. My electricity board fuse has Type II 60 amp 415 v printed on it.You will need to specify the trip rating for the main power switch on the CU. It will usually be 80 or 100 amps depending on the size of the electricity boards fuse. You must check the fuse size (electricity board), which is printed on the casing. The trip rating of the main power switch fuse must not be greater than the fuse size, because otherwise the main electricity board sealed fuse could overload.
Should this be cause for concern?
Regards.