While RCD nuisance tripping continues to occupy our minds I thought this piece, posted in the IEE/IET Wiring Regs Web forum this morning might amuse...
Original thread here:
While RCD nuisance tripping continues to occupy our minds I thought this piece, posted in the IEE/IET Wiring Regs Web forum this morning might amuse...
Original thread here:
NT
We were somewhere around Barstow, on the edge of the desert, when the drugs began to take hold. I remember Andy Wade saying something like:
In the interests of customer satisfaction he should have run an unprotected spur purely for her bedside lamp.
What would you suggest writing on the MCB label?
Ah, you were right all along... ;-)
Actually though, something about the story doesn't quite ring true, & I'm not sure whether to believe it.
If the bedside lampholder was plastic bodied and/or unearthed, most of the shock current would be phase-neutral. I'd be surprised if there was enough earth leakage to trip a (presumably) 30 mA RCD, unless her bed was rather damp.
If the lampholder was earthed metal, why did the old ELCB not trip?
I suppose that a plastic/unearthed lampholder, replaced with earthed metal after the re-wiring would explain it though.
We were somewhere around Barstow, on the edge of the desert, when the drugs began to take hold. I remember Andy Wade saying something like:
The Tingler. or Skull and Crossbones.
thats one option I dont want to think about, Or it may have been a metal frame bed.
Theres not much likelihood touching the pins would trip a voltage operated ELCB. One of those would only trip when so much current flowed that the earth electrode voltage rose up to 25-50v ac. That means quite a lot of current.
Having had enough shocks for one lifetime, I find it hard to belive anyone would do that on purpose day after day. Wasnt on 110 was she?
NT
thats one option I dont want to think about, Or it may have been a metal frame bed.
Theres not much likelihood touching the pins would trip a voltage operated ELCB. One of those would only trip when so much current flowed that the earth electrode voltage rose up to 25-50v ac. That means quite a lot of current.
Having had enough shocks for one lifetime, I find it hard to belive anyone would do that on purpose day after day. Wasnt on 110 was she?
NT
Overnight Charge
because it ceased to function years ago like many of them!
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