db change

db change

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  1. W

    UK Different test results after DB change

    Is it common to get different test results when upgrading a db? Basically I done an EICR in November and came back to upgrade the db and done live tests on all the circuits, but my results were quite different. Like 0.30 ohms out on one circuit
  2. E

    DB Change & Isolation

    Hi All, I've turned up at a job where the tenant needs to change the DB as the face is falling apart and was cut to fit more RCBO modules. Anyway the questions are as follows: 1) isolation, the supplier has been made aware of the change by the property manager so I'm reluctant to cut any tags...
  3. E

    DNO Isolation For Changing DB

    Hi All, I need to change a DB in a block of flats in central London (W2 postcode), where EDF can't give a date for at least 6 weeks to come and isolate the supply, but at the same time won't / can't give out a date after this, which makes no sense to me! This is both options of just popping...
  4. C

    Pub DB change

    Hi Guys Issue 1 i am looking at changing the DB's in my friends pub from the old mess that is there are the mo. At the moment it has a existing 3 phase board with 5 submaines in it supply the Toilets, Cellar, Out House, Skittle Alley & Kitchen. When I replace this one where does it leave me...
  5. T

    Main db change

    If I change a main db that supplies multiple sub-dis boards, how extensive do I test? Can I just test the main db and supply cables to existing sub boards? Or do I have to test all the outgoing circuits of sub db too? I would complete a full eicr before. theoretical question btw.
  6. D

    testing after DB change

    Alright lads what do you allow for and how much depth do you go into with regard to testing when changing a CU? I typically allow a day time wise for say an 8 way board in a 3 bed house, stating there may be faults that the new equipment may pick up and it may incur additional cost to rectify...
  7. P

    DB change and smoke detectors

    Probably a simple question, but don't seem to have my head on today :hammer: If changing the DB in a house do I have to install smoke detectors too?
  8. N

    Advice for first ever post. DB change.

    Hello there, Newly registered with Elecsa and raring to go. My first 'official' job. DB change in customers house. One slight concern i am not sure on. There is one 6mm bonding cable going to both the gas and water. The termination at the gas is complete (ie not cut, but looped through the...
  9. P

    DB change

    Got a DB change to carry out in a house. 60/80 amp incomer, PME supply. Mains tails buried in walls but are double insulated. Main earth 6mm and bonding in 6mm. The tails look in good condition. So don't want to change them as they are buried in the wall and cause unnecessary mess, but I think...
  10. M

    DB change confusion

    Hi guys I have just come across with a job I did 5 months ago but I could not finish completely .I have done part rewiring in a house-ground floor and changed DB to a 17th Edition Wilex-2 rcds. Today I was back to the house and I found out that another electrical company have stripped off the...

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