mapj1: ... and potentially put electricians at risk?
I'm now wondering in what way I've put an electrician at risk, and of what? (any more than say having live terminals like line taps in a plastic box would do.) What failure mode am I missing?
M.
Two simultaneously-accessible "earth" potentials.
"just not exposed to touch when the box is shut."
Is the armour inside the box that's exposed to the poor electrician IP2X, for example? What happens when the cable moves a little? There's no "restraint" from a stuffing gland as we all know from experience. And then of course, we're not just talking about the electrician either.
The simultaneously-accessible exposed-conductive-parts of different earthing systems is prohibited by BS 7671 ... as I said covered by practices on UK railway and similar infrastructure ...
mapj1: ... and potentially put electricians at risk?
I'm now wondering in what way I've put an electrician at risk, and of what? (any more than say having live terminals like line taps in a plastic box would do.) What failure mode am I missing?
M.
Two simultaneously-accessible "earth" potentials.
"just not exposed to touch when the box is shut."
Is the armour inside the box that's exposed to the poor electrician IP2X, for example? What happens when the cable moves a little? There's no "restraint" from a stuffing gland as we all know from experience. And then of course, we're not just talking about the electrician either.
The simultaneously-accessible exposed-conductive-parts of different earthing systems is prohibited by BS 7671 ... as I said covered by practices on UK railway and similar infrastructure ...
