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The realtime clocks in computers are not very accurate. However, there is a way to make the clock synchronize to an accurate clock on the internet built in to windows XP. 1: double click on the clock at the bottom right of screen. 2: click on the internet time tab 3: tick the box where it...

Sounds more like the electrician thinks he's going to have problems pulling the cable in to me. Hope its not got any elbows in it! Could he not pull a plastic flexi conduit through it and then pull the cable through that? Then it would be in "proper" conduit, complying with the regs. It would...

For what it's worth RJB I think you did absolutely the right thing. I think you would be more negligent if you saw something you knew to be dangerous and walked away & left it. As to liability etc I think the same *should* apply - it would be different if you put in a new installation & that was...

Tristandav, from what you said about being a farmhouse I wondered if your electricity supply is overhead, like a telephone line? If it is, you almost certainly have TT supply. This means that you have to provide your own earth, & on farms in particular this earth can get damaged or disconnected...

The problem is that having qualifications doesn't guarantee competence, and not having a qualification doesn't mean somebody isn't competent. Lots of people have driving licenses, if they were all competent, there would be a lot less road accidents. It's all about acting responsibly, for which...

What Robbie has told you is not strictly correct. The old cable isn't twisted pairs - it is whats called a "quad" - 4 wires twisted together. It is important that the right wires in it are used together ie: blue with orange as one pair, green with brown as the other. It is perfectly OK for ADSL...

Thats not necessarily the case - if you look, there are 3 green/yellows leaving the wylex cu - one fairly chunky - could be a main earth. In any case that doesn't explain why contact to ground via the washing machine, even if it isn't earthed doesn't trip one or other of the RCDs. I agree the...

Which Law?

2 questions: Do you only get shocks from the drum of the washing machine, not the outer casing & metalwork? Is it by any chance a washer/dryer? Thankss Paul

1500 watts at 12 volts is 125 amps from the battery! This would give under an hours use before an average vehicle battery would be flat. Unless you've got a really big (& therefore very expensive) separate battery for the "domestic" side in your motorhome, I think you'd be better off with a...

Any more opinions on my original question?

A bit of background. I was an electronics engineer for 27 years & my employers were serious about electrical safety so I have received some training in this & understand about the significance of proper earthing and phase earth loop impedances and protective devices. I am not an electrician & I...

Steve - I have budgeted for a total rewire - most wiring has already been replaced to a good standard - this is the oldest & worst part. My original question was about main bonding & earthing as a preliminary to changing the CU and rewiring all this. It was obvious the earthing was unacceptable...

OK, sorry for the delay, 'er indoors has been hogging the pc looking for shoes. As you can imagine this has taken some time! Here are some pics Meter, cutout & MET, note nothing connected to MET: This is the earth bar in the CU - no main earth, only CPCs: This is a JB on the ground...

You might find these clips useful for fixing conduit to steel beams & purlins http://www.tlc-direct.co.uk/Products/GCCR219.html

I think I'm peering into a can of worms here :( I have just had another look and the only earth I can find is a bare wire connected to water main and tee'd into the CPC of the ground floor ring in a junction box. I can't see any seperate earth from the CU & there is nothing connected to the...

Hello - new member I have a question about best practice regarding main earthing & bonding.Supply is TN-S 60 amp, MET block provided by DNO from braid off lead sheathed supply cables. Nothing is curently connected to this MET block Main system earth seems to be an uninsulated <6mm2 cable...