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  1. HappyHippyDad

    Most effective or correct way to fault find?

    Evening all... I'm in two minds whether to post this but i've thought about it for a while and was hopeing someone could give me a very clear idea of how they would find the fault. Lets say we have a ring. We test between N-E at the CU and find a poor IR reading, lets say 0Mohms, ie socket...
  2. M

    Showers

    Hi, have been asked to do a conversion of a house to a B and B by a builder and am concerned on the showers, the main cut out is 100a,they already have 2 x 9.5kw (10mm t and e )showers on 63a rcd isolators and 1 x 8.5kw (6mm t and e ) shower on 40a mk mcb and want another 9.5kw fitted ...
  3. R

    splitting 1 phase of 3 phase supply query

    Hi, I need to split a single phase from a 3 phase supply into 2 separate connections. The 3 phases are currently being used by a shop and 2 flats above, with each using 1 phase. We have put a 3rd flat on top, however believe we can split one of the existing phases so the 3rd flat can...
  4. S

    Split install

    Dear all I plan to have a split install fitted in my property which will see 8 panels on my house roof and 8 panels on my double garage roof. The garage is approx 15 meters from the house. I would like like one inverter in my intake cupboard. Is it possible to split the panels and will it...
  5. C

    Fault Finding?

    Alright, I recently sat my FICA and failed section E (Fault Diagnosis) and I have my resit next Monday but my problem is I've never actually done fault finding before. I've read about it and looked over some basic notes but my first real attempt at it was on the day of my test! I know that...
  6. G

    Split Phase or 3 Phase

    Hi, i am rewiring a triple garage with 1st floor into a holiday cottage. The existing property already has 2x 8.5kw showers and cottage to also have 8.5kw min shower. Also oncludes 3 cookers approx 4kw so with lights n skts approx 40 KW MAX. (over estimating it ) As this exceeds the main single...
  7. H

    To split or not to split?

    I'm interested to hear from other installers how they would advise a customer in the following situation: The customer has a large roof and can accommodate all 16 panels on either the front (west) or rear (east) of his house. The front of the house is 100 degrees from south at 25 degrees...
  8. C

    Split Boards!

    Hi, I'm a Electrical Trainee, not long qualified to be a Domestic Installer. I have my 2382,2377 and EAL Level 2! The question is: I'm going to upgrade my mums electrics as there's no rcd and it's on the old re-wireable! My query is because the under floor heating is on a separate cu and economy 7! Can I put...
  9. A

    30ma trip on split board

    Any opinions on replacing a 100a main switch with 30 ma TVs, I'll have to move the internal tails from the bottom off the rcd to the top I know but is there anything to say I can't? Or just use rcbos
  10. F

    Split phase PV install

    Hi, i have age been asked by a company that I sub-contract to to carry out a 30kw PV install on a farm which has a split phase supply using Fronius split phase inverters. I have not done a PV install on this system before so I'm looking for some advice on wiring and what switchgear will be...
  11. A

    how to split a radial light circuit into two

    hi newbie post here but seems best place to get an answer. i have a radial circuit of 5 9w led downlighters, with 2 on lower hall and 3 on upper hall, with a 4 way switch setup (1 switch downstairs the other 3 upstairs). This arrangement is bizarre and i'd like to split the circuit in two so...
  12. K

    Split concentric submains

    I am currently on a big flat development project (old high school being converted to 50 flats, plus a 3 phase landlord supply). I had planned on installing 25mm 3core SWA for all flat submains as the Flats are all Electric with no Gas. However, i am now considering installing 25mm or 35mm split...
  13. W

    Current capcacity for split concentric cable

    have just had a new supply installed at a job im working supply cable in - 185mm aluminium TPN combined pen conductor split concentric cable main fuses are 315a bs88's supplied underground from transformer to building does anyone have info for current carrying capacity for concentric...
  14. G

    Do split phase boards exist?

    Living out in the sticks. I have come across old split phase installations a few times and done a little maintenance on them. These installations usually consist of a old 3 rewireable db with only 2 phases used. Well for the first time I have been asked to add some circuits which requires a...
  15. P

    Split load consumer unit, in the regs??

    Evenining All, I was having a chat with a fellow sparky earlier and we've a question to ask. Before I start my BGB is in a box as I'm currently moving and his, well lets say he don't know where it is at the mo. We were so obviously bored that the question of a split load consumer came up. We...
  16. Y

    Split Suppy Advice Please

    I need a separate supply for the ring main in my garage (where the CU is located), because whenever something trips the RCCD in the CU I have to wind up the garge door by hand to get to the CU and reset, which is a pain. It takes ages to find the winder handle, usually in the dark and I'm not...
  17. M

    Commercial rewire

    Hi I am a domestic installer mostly install bathroom circuits showers and such but I have been asked to rewire Commercial storage unit there is a 3 phase consumer unit already in place with no m.c.b’s in it but my question is will I need to remove the main isolator and replace it with a R.C.D...
  18. J

    Pir

    Hi all, hope all is well the ring, there is a ring when I chuck 50 v end to end and r1 + r2. I get 0.00mohms. When I carry the check out in ohms I get greater than 1999. The question is Do I split the ring up at the board put into 2x 16amp breakers. But because I know there is a ring do I...
  19. sajeel

    Split advice

    Hi people. A bit of advice, I have a shop with three phase head currently two phases being used. the shop require 3 phase . So will need to fit a 5 or 6 way db fuse such as ryefield or Hager so that 3 flats and shop are fused. Any suggestions my current plan is 6 way ryefield 100a the flats...
  20. S

    split board test rcd b rcd a trips

    installed a spilt board today 5 on one side 5 on other,made sure the cct did not get mixed ,start testing rdc b side first mainly because they are all radials cct, did loop on no trip rcd a tripped out but got the readings on rcd b why

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