Does the fitting comply with
416.2
Section 421
621.2(ii)
512.2
559.5.1
526.1
The internal section of the fitting is not part of the fixed wiring so unless any of the above are not complied with then its no code from me.
I have always recieved my City and Guilds certificates from the training center or college I have attended, dont ever recall them sending me my certs directly to myself.
Unless I have read it incorrectly, the OP is saying the DB is fed direct from the busbar which feeds several circuits. So there is no overload protection for the tails feeding the DB.
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