Your right BS951 shouldn't be used, but, whilst in Manc. the other week the lovely chaps from UU used just that to attach the 16mm earth to the armour!!!!!
I have attended 9 poor Ze jobs recently & the UU guys always fit clamps. Mind you, they claim that they will come back to "do the job properly" later...
I heard of those special spiral springs for bonding that wind themselves round a sheath without needing a clamping screw so cannot be over-tight. Anyone used them?
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