radial circuit | Page 3

radial circuit

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  1. I

    Voltage Drop Branch of radial circuit

    hi guys Need some help in calculating voltage drop on a branched radial circuit. (13A design load 2.5mm cable)( cu to junction box 8m 2.5mm) for a standard loop in loop out radial it would be IbxDxmV/m/1000 this circuit has 2 branches from the junction box one/ 10m long ( 1 double...
  2. D

    Commercial radial circuit

    Hi everyone looking to clarify something, had a tester onsite today testing circuits we've been installing the past few weeks, in his opinion he found fault with one circuit, we had wired a 30m radial circuit in 2.5mm 2core & earth fp200 on a c16 mcb. The cable was clipped direct throughout its...
  3. N

    0.00 ohms r1+r2 on radial circuit?

    Hi all, I've tested several radial circuits and only getting 0.00 ohms on the r+r2 test (zero'd leads) 2 of the radials only supplies one socket each and are approx. 3 metres in total length. (zs 0.25 and 0.21) Another radial only supplies one socket and is appox. 5m in length. (zs 0.35) The...
  4. S

    Connection of 2 convector heaters using armoured cable on a radial circuit

    Evening Gents, Im looking for some advice, I have to connect two convector heaters on a radial circuit - I will be connecting each outlet via fused spur flex outlet, I was going to use a 3x3 adaptable box to terminate the one armoured then connect in singles to fused spur...
  5. P

    Lights wired into 16A radial circuit

    I've discovered that one of the bedroom lights in our 1930's 3 bed semi have been wired (I guess as a spur) into the upstairs 16A radial circuit. Similarly the light in the porch extension at the front of the house are on the 16A radial too. I know the best solution would be to wire correctly...
  6. R

    Radial Circuit

    Recently i have wired a small dwelling house. I have used 2.5 mm Wire for a radial circuit of 2 double and 2 single sockets. (probably the cable length of 35 m) I am a bit conscious to know whether it will work for longer time. or i will need to make it a ring circuit. WHAT DO YOU SUGGEST?
  7. S

    4mm radial circuit

    I've just been flicking through the regs to do some cable calcs for a job and noticed that a 4mm 2 core cable installed using method B (under floors etc) has a capacity of 30A. However it is ok to connect to a 32A MCB for a radial socket circuit. Don't know if its just me missing something...
  8. K

    Use blue cable for live wire in radial circuit?

    Hi All I am not interested in carrying out any electrical work myself but have had some experience on a basic level and have discovered something that raised my eyebrows recently. I recently had somebody come and install lighting and power sockets in my garage, all cables are run through PVC...
  9. R

    radial circuit

    Hi all, gone to look at a job today and would like a bit of advice. The job is to get power out to 2 sheds from a garage CU. The CU in the garage has a 32mA RCD and 6amp and 16 amp Mcb. The power in the garage is run on a radial circuit, so I was wondering if I could carry on the radial circuit...
  10. K

    Is a 16A mcb acceptable for a radial circuit?

    Hi everyone, I'm new to this forum but have read from it a lot in the past for tips and advice which I've been thankful for. Anyway just wondering as to whether a 16A mcb obviously RCD protected is acceptable for a radial circuit (upstairs sockets). I know it's not a risk as it would...
  11. P

    Radial circuit too long

    Hi went to a job yesterday there was 3 ring mains so i thought, after testing them they were radials but were all terminated into 32 a mcbs 2 wire in them did R1 R2 TESTS and readings were high 3.2 ohms/ 1.9ohms these were the highest there are a further 4 radials which are around the 1.9 the...
  12. F

    help with problem radial circuit pls ??

    Hi folks, called out to my aunts house couple of days ago saying she has lost power to her sockets, , upon arrival found the db was a split board and the rcd had tripped the sockets out, i turned all the breakers off and the rcd now stayed on, i turned them back on one at a time until the...
  13. J

    Unused radial circuit

    Hi there I want to install 2 triple 13 amp sockets on a radial circuit which was used for an immersion heater (now removed). The circuit terminates in a 16 amp RCD in a new CU. The wiring passed inspection for the immersion heater. Is it OK to reuse the circuit for this purpose and can I use a...
  14. M

    Cable size for radial circuit

    I am looking at putting in a new dual fuel cooker, what I need to know is what size cable is needed for a radial circuit. The appliance has a rating of 5.7kw and the length of cable would be approx 11m. Also what size circuit breaker? I know the appliance draws around 25A.
  15. S

    13 Amp Radial Circuit - with added joy

    Back to my cat pee soaked floors and a RCBO protected radial cirucit that is giving grief. RCBO symptoms described by the customer, "it's a nuisance and keeps tripping so we just flick it back up, sometimes it's OK first time sometimes it can take 3 or 4 goes before it resets, sometimes we have...
  16. M

    A3 radial circuit ????

    Im currently training as an electrician through ATL but i have actually been to college and done my level 1 and 2, plus had on site experience to a cirtain degree. my friend has asked me to put a new circuit from the consumer unit to his loft as he is converting it, he wants 2 socket outlets to...
  17. C

    radial circuit off a final circuit

    I have been asked to wire a garage its an new dwelling ,the client is wanting to change the garage into a dining room / play area for the kids , in the garage there is already a double skt but its half way up the wall it will pull back and could be used for a wall mounted tv skt , is it...
  18. A

    continuity of radial circuit conductors

    Hi doing R1 + R2 on lighting circuit green probe on cpc Red probe on Switch line (switch ON) or Line.Which is correct? Switch line to confirm polarity? .took readings on both .why is switch line reading higher. Thank you for any replies. Angus
  19. Y

    Spur for diswasher and washing machine in radial circuit

    Hi. I would like to know if I can connect socket to radial circuit to power diswasher and washing machine (double socket) with fused spur. I know that circuit should be fused 20A so if I use 13A fuse it will probably blow fuse if both working together, can 20A fused switch be used? (I don't...
  20. R

    Unfused spur in radial circuit from DB?

    Can I use an unfused spur direct from the DB on a 20A 2.5mm radial? In the BGB it says you can on the 4mm radial but it isn't clear if you can or can't on a 2.5mm radial?! Thanks.

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