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    Arcing in main cutout fuse..DNO says ok

    I was investigating a customers heating system...the 3A FCU, 16 MCB & the RCD were blowing/tripping all at the same time. (that I may have resolved only time will tell). Anyway, whilst at the consumer unit I could hear the 60A fuse connections in the ceramic block arcing when I leaned on the...
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    Raytech MCBs any good?

    Anyone heard of Raytech International? Type B MCBs at £1.80 +vat etc. Appear to cheap to me but are they ok? They mouldings look similar to After some 3A rating for boiler pumps. Could go for MK otherwise...if anyone...
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    Can anyone identify this shower valve ?

    About 5 years old I guess. Ta