I'm very tempted to replace the M5x10 PZ2 busbar screws in my MK Sentry
CUs with decent hex head screws, at least at the positions where there
are multi-strand cables or multiple single-strand cables. Is there
anything authoritative that says I can't do it?
i am sure you woudl use them wisely; but if in the future someone else
lives in your house they may not. So it may not be an acceptable
modification, even though actually a safety improvement at the moment.
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