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disconnected

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  1. B

    Electrical certificate on a disconnected supply

    Can I get an certificate on a commercial premises with the supply disconnected and its original supply in another building/premises?
  2. I

    IR readings Puzzeled

    hi there carried out IR test on radial lighting circuit today. L-N 700MOhms N-E 650Mohms L-E 320Mohms just wondered why the L-E would be nearly half the value ???? ( test carried out at 500v dc, TNCS system circuit disconnected at board)
  3. T

    19.2 V battery question !!

    Hi there New member here with a very basic question (I am no electrician!). :saddam: I have a 19.2 V / 9000mAh battery (for an electrically assisted bicycle) and the wiring on the charge end needs a little attention. Basically one end of the battery gets plumbed into the bike and supplies it...
  4. C

    Can't find what circuit does

    Was doing a cu change yesterday and as usual the old board had no circuit identification at all. After an hour or so of moving lots of junk about I managed to get 7 of the 8 circuits but there's one 2.5 t+e cable off a 16a mcb that I just can't figure out what it does, if it does anything at...
  5. B

    house alarm trouble

    hi all just wanted to know if anyone knows a quick method of silencing a bell box even when the main panel is disconnected and the main battery is disconnected just thought i would ask cause my neighbours are not happy ps im not able to reach the bellbox(no ladders) DOH!!!
  6. K

    RCD not tripping

    OK this one has be beat! Replaced 2 DB's (one night storage and one 24 hour) with a dual board but adapting it so I have 2 different supplies coming in. Earth is common in the boards, but then it's common throughout. Neutral is definitely split. All connected up, tested the RCD and it did not...
  7. S

    Ze.pefc.psc testing.

    Hi all just a quick question carried out all of the above tests yesterday and got the following results Ze . Tncs system 0.18 which is fine Pefc . 1.1ka Psc . 1.6 Carried out the same tests today and got these results Ze 0.28 again fine Pefc. 845 amps Psc 1.1ka Can anyone tell me...
  8. H

    Electric Meter - Cable Disconnected?

    I've bought a repossessed house where the electric (prepay) meter appears to have disconnected. Picture of inside of meter box below: I've topped up the meter so there is credit on it (the meter seems to be fully functioning) and I flicked the trip switches in the house to on but I still...
  9. S

    PIR on property with disconnected supply

    Hi folks, client has requested PIR on a property with disconnected supply (not sure how disconnection has been effected). Property has been empty for a long time and potential buyer (retired electrician - no pressure) wants to know as much as possible to see if price can be negotiated down...
  10. jibjob

    Very Strange RCD problem

    Now this is a bit of a head sratcher. I've been called to a property where the RCD (used as main incomer) trips at exactly the same time every evening (7.50pm). Some work has been carried out recently at the property by another electrician. He installed new wiring via a 2 way stand alone C.U...
  11. S

    Disconnected Supply

    Hi all, have got a rewire on an empty property, the supply has been disconnected by the DNO, due to the basement of the place having been used to grow weed. the client want power, so we can start the refurb, he's been intouch with the supplier, but they want a cert doing, what are the options...
  12. C

    neutral fault ??

    been asked to look at a light in office unit that was diconnected buy another electricain 2 years ago, the lighting circuit is switch fed with the switch lines running though metal trunking (ceiling mounted) and in singles, the light is a end of line and had been disconnected at the light...
  13. Goody

    Puzzled at the IR readings, plz help!

    I have just tested a ring and the IR reading between N & E was 0.00 M Ω, N & L was 0.13 M Ω and L & E was 0.14 M Ω. I have removed all the loads and tested with a Fluke at 250 Volts. Plz could someone point me in the right direction to locate the fault. Further more the Ze was 0.08 and...
  14. M

    shower to notify or not

    A friend of a friend split up with her partner and he took the shower with him when he moved out leaving wires hanging out the wall. The local council were called and the circuit was disconnected from the consumer unit as a safety precaution. A plumber has put in a new shower and she has asked...
  15. P

    Split Load Board Certification Question

    Hi,How does everyone fill out the certs for a split load board to include the RCDS if issuing a DOMESTIC ELECTRICAL CERTIFICATE? How do you include the details of the split loads and the submain RCD characteristics into the boxes provided? Do you test RCD tripping times for each circuit even if...
  16. R

    Testing Zs - disconnect main bonding or not ?

    Hi When measuring Zs on circuits do you guys leave the main bonding connected or disconnect it? Most of my testing books including GN3 say leave it connected, but another book by Anthony Hinsley says to disconnect it as it will introduce parallel paths (which I get) and that if left connected...
  17. M

    blanket testing

    how do you go about blanket testing for insulation resistance thanks for your help
  18. P

    Lighting Circuit failure

    My client has half his upstairs lights working and half not. They are all on the same 5A fuse. His loft is boarded and so it's not easy to see the cable runs. What is the most likely cause? Is it likely to be a disconnected live or disconnected neutral in one of the ceiling roses that...
  19. J

    query regarding disconnected electric meter

    Hi guys , First post here . I am no electrician but am about to start work on a shop premises where the electric has been disconnected due to compnay going bankrupt . There is no power on the premises . We have tried calling the power compnay to reconnect but they cannot do it until a week...

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