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blocks

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  1. W

    ECR - Wood Block light switchs

    Carrying out a ECR. House rewired about 5 yeays ago, wood block light switchs fitted thoughout. No flush back boxes & cables stripped off sheath behind . Be interested off your thoughts :saddam:
  2. R

    henley blocks and rcd's

    not working in the domestic sector i need help with 2 questions. firstly is it still allowed to cut into the tails between the meter and board and place a henley block in line so that i can feed a summer house as getting from the house is not an option due to doing to much damage to finished...
  3. P

    connector blocks

    does anybody know if electrical connector blocks (the strip type) have a BS number or a fault current rating?
  4. H

    Final connection of shower feed

    I need some advice regarding the final connection of the tails for a new dedicated consumer unit for a new shower. There are connecting blocks between the meter and existing consumer unit with spare ways but without pulling the service fuse I can't connect up without working live. Is this a job...
  5. S

    Using terminal blocks within a CU

    Can you use terminal blocks within a CU if cable is not long enough to be wired in numbered order, or the main bonding is not long enought to reach main bonding terminal in CU..? Could this cause problems for future electricians if the neutrals are not in numbered order..? This may need to...
  6. M

    main switch

    Hi all Is there a regulation in the bgb that states you cannot come off the main switch to feed another db, not that I want to do this I've just come across it being done today
  7. D

    Bit of help with meter setup

    Ok new hobby of mine is checking customers DNO supplies and getting a feel for whats what...... hopefully you guys could help me understand whats going on in this pic.... So im guessing the meter on the right is Eco 7.........whats the little sealed block on the left next to the two Henley...
  8. B

    30amp Rated termination blocks (choc blocks)

    In my own home I needed to blank a socket that was on a ring and at the consumer unit It had a 32a breaker installed. When I went to wickes, and also two electrical wholesalers they only sold 30amp electrical connectors (choc blocks) and the next rate up was 60 amp which were huge and would...
  9. S

    What do people us now for switch box lighting connections?

    Hi all Joining a looped neutral in a plaster mounted lighting switch box. Back in my sad old day... we used plastic connector blocks, which I seem to remember were binned a while back. What are people using these days? I watched the sparky on a site the other week crimping all his connections...
  10. T

    can i use henley blocks in ceiling?

    i have 25 mm swa suplying cu in top flat, i want to put in 80amp type s 30ma rcd to protect cable and time delay. problem i have is cable route is onto existing ceiling which will be lowered and pipe work in way to rcd so i was thinking of connecting to henley blocks in ceiling then down to rcd...
  11. D

    Henly Blocks

    The installation I am currently correcting and upgrading to regs has a henly block with five cable terminals for each pos. tails and for Neutral tails. I wish to upgrade the tails to 25 mm. Problem is 25mm will only terminate in the end terminals. 16mm will only fit the rest. I could put two...
  12. B

    help wanted for codes C1 or C2

    inspected a job, service head 3p 4 wire. 100A BS88. meter tails 25mm2 ccc 101A out meter into 2 * henly blocks. out the henly blocks split into 2 supplies, 16mm2 singles, ccc method B 76A. 1 supply goes to 2* db fed into bottom db then linked to top db via main switch as photo. 2 supply goes...
  13. G

    sub boards

    Hi guys, Need advice. Have a 2 DB's both fed from meter(2 feeds coming out of it) each one goes through a 60 amp fused isolator. The 2nd DB has only 3 lighting circuits and a ring main. total wattage would be approx 3kw. Need to install 9kw electric boiler but cannot get to either of the...
  14. H

    Use of choc blocks

    Just terminated SWA into a Wiska box - it's all 4mm and I can't get the CPCs plus the CPC from the banjo tag into the Wiska block so I've resorted to "choc block" which I'm unhappy with. I'd appreciate comments on how I should tackle this problem and any other issues I've dropped myself in...
  15. G

    Cable ratings from henley blocks?

    Hi there, I've been to look at a job today were the occupier has recently moved in. Before he bought the house he had a pir done which came back good bar a couple of things that were put right. The supply is pme 25mm tails and 16mm earth 80a bs1361 henley cut out. after the meter the tails go...
  16. M

    Think I must be confused!

    An underground tt supply going into a meter cabinet on the outside of a garage, 16mm tails straight through the wall to henley blocks, 10mm earthing conductor to a rod with a Ze of 38ohms. From henley blocks a small gagage sub main with a 63A 100ma T rcd, main house feed from henley blocks (in...
  17. spark-ticus

    how to correctly install henley blocks to supply 2nd consumer unit

    I am putting lights and sockets in an extention for a customer and the currrent cu is full, so, my plan is to add a 2nd cu for the extention. It seems the most popular idea is to use henley blocks and split the supply, which i understand no problem, my question(s) are : 1) Do i need 2 extra...
  18. edexlab

    Alternative to Henley/isco blocks

    I'm looking for something a bit better than your bog standard henley blocks, which i find frustratingly brittle, the heads of the screws are deformed so easily The only thing i have seen are the type 4 Henley blocks which the Dno's fit ,the casing of these are stronger ,and screws are Allen...
  19. vxwestie

    Urgent Help please... 200amp blocks????

    Help, new to the forums but an NIC contractor for the last 20yrs.... I need to 'break' 50mm 3phase tails next week and install blocks (at least 4ways) for the installation of a PV system by others. The incoming supply is 170amp per phase. Denmans and a local wholesalers cannot find me any...
  20. S

    Downlight connector blocks melted

    Hello all, Went to fix a problem last week: 'lounge lights not working'. Found 7x50W ELV downlights had been installed with individual 20-60W transformers wired off a single 400W standard dimmer. The dimmer had blown, along with most of the transformers and on nearly every light fitting, one...

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