Recent content by dcwuk

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    C.K Tools Competition - Stubby VDE Screwdrivers

    I need a C.K Stubby VDE slim screwdriver 4 pack because they are free.
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    I Need Work Electrician required Newmarket Suffolk Area

    Local company looking for experienced electrician on the cards van provided. Please contact me through the forums message system for further info. Various types of work throughout the Cambridge/Newmarket area. Cheers Steve
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    Ze - zs = r1 + r2?

    Thanks for your replies, I'm in a protracted discussion about this subject and the people involved are using the fact that the meter has the facility makes it acceptable practice. I disagree for all the reasons given in this thread.
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    Ze - zs = r1 + r2?

    So at the end of the day even though its bad practice its still acceptable to the powers that be?
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    Ze - zs = r1 + r2?

    Indeed so why do the manufactures include this facility ? Surely there is some consultation between the manufacturer and the relevant bodies at the design stage.
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    Ze - zs = r1 + r2?

    Sorry to drag this up again and I always measure R1+R2 but why do some testers like the MFT1730 have the facility to measure R1+R2 using Ze as a reference. Or have I had a bit of a mental block?
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    Walking man signs on exit lights

    Hello all, Installing some emergency exit signs today, and was told that the arrow on the walking man sign should point up instead of down? Anyone point me to where the regulation is? cheers dcw
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    Ship Wiring Regulations

    https://www.gov.uk/marine-engineering-safety-requirements This may be helpful.
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    R1+R2 mixed installation

    I`m not looking too hard :-) The report says the type 4 mcb`s are obsolete and I believe they need a current in the region of 50xIn to operate but its mainly because of the lack of RCD protection to the rooms and public areas and you cannot get RCBO`s or pods to fit these. The original...
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    R1+R2 mixed installation

    Thanks for your reply. within the room there is a steel skirting trunking the socket outlets being earthed via a fly lead lugged and bolted through the trunking. The bedhead lighting is fed via flex outlet plates fixed to the trunking and flexes up behind the bedhead to the light fittings. The...
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    R1+R2 mixed installation

    Yes I appreciate that the question is what to write on the test certificate?
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    R1+R2 mixed installation

    Sorry should have made that clear, the trunking and conduit installation is steel and up to the rooms is the CPC. I was of the opinion that the R1+R2 results would be meaningless to a point because of all the parallel earths? Thanks for your reply BTW
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    R1+R2 mixed installation

    Carrying out a few consumer unit replacements at a hotel, installation to the room is via trunking conduit with no cpc however at the rooms previous refurbishments have been carried out these being wired in Twin and earth with the cpc being connected to the existing system. Now I am not sure...
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    Domestic Bonding test results has o.oo resistance on a 4mm cable do i still upgrade!

    Re: Domestic Bonding test results has o.oo resistance on a 4mm cable do i still upgra I expect he is using his megger range on his meter not ohms:wink5:
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    Best way to mark battery gun

    I just use a drill with a 2 or 3mm bit and make a series of dots on the drill and battery

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