carrying | Page 4

carrying

Recent contents View information Top users
  1. C

    Current carrying capacities and vold drop for copper conductors

    Hi Help please with the above. Using on site guide Im stuck on Cc as I cant find rating factor for 42A type B breaker or is it 1? Many thanks Cider
  2. D

    Carrying out Minor works !

    Doing a kitchen refurb at the moment which includes changing pendant for spots and moving / adding sockets which I gather is classed as minor works! Existing Kitchen circuit feeds whole house not just kitchen and is not on rcd/rcbo! As work carried out is only minor works, for it to have a cert...
  3. P

    current carrying capacity of SWA cables

    Im working in africa right now, I have 2 sets of regs, SANS (South African national Standard) and BS7671;2008... anyway to cut a long story short, both regs state different current carrying capacity for eg 70mm 4 core buried direct, a huge difference, I know the BS7671;2008 regs as my own, and...
  4. F

    current carrying capacity

    Can anyone tell me the current carrying capacity of a 400 mm copper, insulated flex with non armored sheath , manufacturer has supplied a table(4f1a) but says two single core cable , rating them at 644A. the cable number from the manufacturer is 1227798371. Just so you know it will be a group...
  5. D

    Current carrying capacity,3 core, SWA buried

    Garage install using 4.0mm SWA 3core, clipped direct 10m then buried underground 10m. Would 4.0mm SWA be sufficient to carry at most 38 amp? (32amp ring + 6amp lights) Looking in regs (page 280) I'm not sure what to use 6.0mm or 4.0mm, as for 3core it states maximum current carrying...
  6. P

    current carrying capacity -2nd opinion

    Hi if you are are running 6mm T&E in plastic trunking fastened to masonry what installation method is this? I would normally use table 4D5 of the brb for T&E but nothing there quite fits so would 4D2A, ref method B and 38amps be the best fit - cheers.
  7. B

    carrying your qualy abroad

    hi guys and gals, just wondering i guess im slowly starting to get the ball rolling on my 10 year life plan. once i've finished at college passed my exams/ AM2 and am qualified up to 17th edition what is this qualification worth to Americans, Australians, Canadians etc. people always tell me...
  8. B

    Things to look out for when carrying out PIR

    I've been doing PIR's every day for the last 3 months so I thought I would start this thread to see what other sparks would suggest are good things to look out for. Seems to be the same faults on most installations, the most common ones I discover are- Switched lives not sleeved brown...
  9. ringer

    Final Circuit conductor sizes in OSG 8.2

    Referring to pages 158-159 in the OSG Table 8A Type, OPD(A) A1 Ring, 30 or 32 .......etc 8.2.3 Conductor size ....The as-installed current-carrying capacity Iz so calculated must not be less than: 20 A for ring circuit A1 Am I reading/interpreting this correctly when I say...
  10. S

    Armour sheath carrying a voltage

    Hi guys, Had a situation the other day where the armour sheath on sub mains was carrying a voltage of about 55V.The sheath was not being used as an earth and was only there to give protection to the cable. Can anyone tell me why this occured? Many thaks
  11. D

    tray carrying swa

    is there normally any requirement to bond lengths of tray carrying swa only- i have to bring a couple of swa's from a sub-board out to 2 exterior air-con units-the tray may not be continuous thanks
  12. H

    Carrying steps inside van

    Any one got a good method of keeping step ladders off the floor in the back of the van, been looking at the Jet Rack but its american. I don't want to carry them on the roof rack.
  13. S

    Current carrying capacity and volt drop calc

    Hey all. Hope that this post is relevant to this section. Got a call this morning from my colleague who is on a large industrial job at the mo. He has asked me to calculate and come up with a suitable cable size that is forming part of a distribution circuit. I also need a suitable fuse size...
  14. R

    Carrying out an Industrial PIR

    Been asked to carry out a routine PIR on an industrial unit we maintain. Insurance company is asking it has to be an NICEIC certificate. We're not registered with them, only part of ELECSA for part p stuff. Obviously we have 2391. Is there anything we can say to make them understand we're ok...
  15. C

    Carrying out Periodics

    To carry out Periodic inspections, apart from the knowledge required to ensure you do not miss any dangers, can these only be carried out with a 2391 qualification? This is the info I was given by lecturer whom has sat 2391 recently. I'm going to follow up my L3 with 2392 as am not doing...
  16. R

    current carrying capacities of cables.

    Evening all, I have been asked to quote for some remedial work and one of the jobs is to replace an over rated circuit breaker. whilst doing the "paperwork stuff" I am trying to make a desicion on the size of circuit breaker required. the cable is an SWA,70mm, and is covered by a 400A c.b...
  17. B

    Mcb rating shower

    Installing 8.5kw shower which will pull 37 amps, looking at shower cu with rcd, but it comes with 50a mcb will it be ok to overrate or should I change the mcb to 40a.
  18. D

    Conductors carrying low voltage.

    In page 90 of Brown book (16th Edition) (sorry guys I haven't got my red book 17th Edition yet) Reg 515-01-02 reads; 515-01-02 Where equipment carrying current of different types or at different voltages is grouped in a common assembly (such as a switchboard, a cubical or a control desk or...

OFFICIAL SPONSORS

Electrical Goods - Electrical Tools - Brand Names Electrician Courses Green Electrical Goods PCB Way Electrical Goods - Electrical Tools - Brand Names Pushfit Wire Connectors Electric Underfloor Heating Electrician Courses
These Official Forum Sponsors May Provide Discounts to Regular Forum Members - If you would like to sponsor us then CLICK HERE and post a thread with who you are, and we'll send you some stats etc

YOUR Unread Posts

This website was designed, optimised and is hosted by untold.media Operating under the name Untold Media since 2001.
Back
Top