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Discuss Do you really need insulated tools? in the Electrical Tools and Products area at ElectriciansForums.net

Lol not a bad wine Pete
this is posh . 1 bottle sold for $500,000 in 1992:
[ElectriciansForums.net] Do you really need insulated tools?

mind you that was a charity auction with american (stupid) punters. probably pick one up for $100,000.
 
I'll always remember one of the first jobs I was left alone to do when I was still an apprentice. Needed to rip out the kitchen electrics so started by knocking off the whole place at the main switch (the flat was empty). Live dead live. Good to go...

First socket I come to I'm unscrewing the terminals and out pop the cables... BANG!

Called the gaffer (he was in one of the other flats), he was livid, stupid blimmin' apprentice can't even turn off the sockets! He comes over to sort my mess out.

Turns out all the kitchen sockets were fed from the flat downstairs. My VDE screwdriver most likely saved my life.
 
I'll always remember one of the first jobs I was left alone to do when I was still an apprentice. Needed to rip out the kitchen electrics so started by knocking off the whole place at the main switch (the flat was empty). Live dead live. Good to go...

First socket I come to I'm unscrewing the terminals and out pop the cables... BANG!

Called the gaffer (he was in one of the other flats), he was livid, stupid blimmin' apprentice can't even turn off the sockets! He comes over to sort my mess out.

Turns out all the kitchen sockets were fed from the flat downstairs. My VDE screwdriver most likely saved my life.

Shows the importance of performing safe isolation first.
 
I did (at least I though I had at the time), at the board.

But yeah, you're right.

Great lesson there, proving dead at the board is not proving dead and identifying the isolation correctly at the specific point of work. Feed from another DB (even whilst being labelled otherwise) is reasonably uncommon in domestic work but it is an all too common problem in commercial or industrial work.

In theory we shouldn't need insulated tools 99% of the time but we know we like to have for the just in case.
 
Reminds me of a commercial strip out and renovation on a club. Stripping out the lights my mate said I’ve killed the lights which I knew were on when we turned up
And were now off. Still used my voltage meter but school boy error or complacency on my part tested live to earth only dead. Cut the cable Big Bang then silence! All the power went off, then a receptionist comes in and says all the computers have gone off and the lights. I know that they have their own 3 phase board which came off a different area to ours. Took another look at my brand new knipex cutters which were totally blown to pieces. Long story short the dimmer packs somehow were switching but not the outgoing neutrals and these were in fact 230v. I took out the main incoming 200A supply and know if I wasn’t using VDE tools it would have been a different outcome and I wouldn’t be alive to tell today. So now it’s test live to earth, live to neutral and neutral to earth before doing anything
 

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