henley

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  1. R

    Preferred method of installation

    Had a look at a job the other day, client has brought a MK RCD Garage CU and wants it connected up. Supply is TNC-S with a 100mA RCCB protecting a BS1361 fuse board which has MCB's Option 1. Replace the RCCB with a time delayed RCD and connect garage CU to new RCD Option 2. Henley block the...
  2. D

    isolator instead of henley block

    Been thinking when doing a cu change if I need to henley block the tails instead i'm gonna fit an isolator. Wylex Isolator REC2S 100A 2 Pole Switch | eBay UK more practicable & maybe cheaper.
    • Daveyboy
    • Thread
    • aus block electricians' talk henley instead isolator
    • Replies: 5
    • Forum: Australia
  3. Doomed

    Always always test to make sure circuit is dead

    As the title says. Do it. Friday after lunch, sent to work on a external socket. On the inside wall nice big isolator labelled 'Isolator for outside socket'. Fine I think, turn off the nice big isolator with a satisfying 'clunk'. Start dismantling socket and 'ow - that tingles' Test it and its...
  4. N

    Minimum cable size in a henley block?

    Evening all I was wondering if there was a minimum size of cable that can be put into a Henley block. The reason I ask is I have just installed some new electrics out to my garage. I had a couple of spare ways in my house CSU (which has a 30ma RCD) and I have run a 6mm twin & earth out to the...
    • noidea
    • Thread
    • aus block cable cable size electricians' talk henley minimum size
    • Replies: 4
    • Forum: Australia
  5. R

    Cheap Henley blocks?

    I'm sick of paying loads for henley/service connection blocks. I don't see how they can justify the extra fiver it costs more than two earth blocks (which essentailly is all they are) for a bit of brittle plastic housing. Where can I get cheap service blocks, or what other options do I have as...
  6. C

    Adding a Distribution Circuit

    Hi I need to provide a direct supply on a dedicated circuit for some underfloor heating - but have no spare ways available.:( Other than changing the CU for a larger one, I was thinking of adding a second one just for the heating circuit. I am not certain of the best way to do this. I...
    • Colonel Hathi
    • Thread
    • adding aus circuit distribution electricians' talk henley isolator tails
    • Replies: 4
    • Forum: Australia
  7. L

    Supply to a one way CU for shower.. please help

    Supply to a one way CU for shower.. please help Hi guys I need some help if you would, I feel i should know this but I dont. New shower going in, there is no provision/circuit existing for 9.5kW shower that is going to be installed. I'm going to use a 30mA RCD + 45A MCB one way unit...
    • LlandrilloSpark
    • Thread
    • aus block cable electricians' talk existing help henley please shower supply supply to
    • Replies: 8
    • Forum: Australia
  8. J

    10mm out of Henley Block to RCD?

    Hello folks I have to fit an electric shower in a house that has an old wylex domino style board but no room for a plug in MCB. The house has an electricity meter on the meter tails thats been installed with a Henly block which has a spare slot for live and neutral. Can I go into this with...
  9. M

    Henley or no Henley

    Please help I need some advice I have been asked to replace a 9 kw shower. The existing shower is on a Rcd board shower unit fed directly from the main consumer unit.The tails from the shower board have been fed into the supply side of the main board with the meter tails. There is no henley...
  10. D

    New Extension & Board

    Sat in a boring conference and some time on my hands, but dont have any reference material to hand. So a bit of help please. Been asked to price an extension, which is bigger than the original house. Could come from original board in hallway, go up and across and then down for the following...
    • daver
    • Thread
    • aus block board electricians' talk extension henley new original
    • Replies: 14
    • Forum: Australia
  11. R

    Domestic Isolation ?

    If I use a henley block and a set of tails to feed a new consumer unit on an existing installation adjacent to an old board, do I need a point of isolation between the henley and the new board, and would a recomendation be made to upgrade the exisiting re-wirable fuse board.
    • Richard3009
    • Thread
    • aus domestic electricians' talk henley isolation point upgrade
    • Replies: 3
    • Forum: Domestic Electrician Forum
  12. P

    henley blocks in trunking

    I have to connect up a check meter. Is it ok to terminate the 2 armourds into 4" metal trunking. Then use henley blocks to terminate the feed/loads, and come out of them with double insulated tails into the check meter?
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