A
AlexCarp
A 2.5mm armoured cable from a CU, running underground to a garden shed. If the cable has three insulated cores, L, N & E, does the outer metal armoured protection sheath need to be earthed? Thanks.
Only really needs bonding one end but yes needs bonding. The taking of an earth from a main building to an out building is a complex question the amount of bonded metal in the outbuilding the distance to out building and the proximity of other buildings plus of course the type of earth used in the main building all have to be taken into consideration.
BTW, I will not be doing the work. I want the best way of doing it.
Read more: //www.diynot.com/forums/electrics/2-way-cu-meter-tails.386794/#2970264#ixzz2nvEHK1ME[/QUOTE]
It would now seem that the OP is installing with neither knowledge nor shame and a computer without Google.
Should he be telling the truth, of course, then he has an electrician who also knows nothing.
So you do not know. Unless you have something positive to add just do not bother. In threads I am not contributing I do not like reading the posts of people like you - noise.Q.E.D.
Only really needs bonding one end but yes needs bonding
Only really needs bonding one end but yes needs bonding
No it doesn't, it needs earthing
EFLImpudence has nothing to add to this thread, except noise. I fear he doesn't know. Maybe he thinks he is the Part P Police. I would advise most people to do homework first as if you get three electricians in, you will get three different solutions and different interpretations of the regs. Most electricians did not know earth bonding before the 17th regs. I knew one who insisted that the bathroom bonding HAD to go back to the meter. Even I knew it did not and that the appliance in the bathroom just needed to be linked to each other. Another who would run cables over kitchen worktops behind the tiles horizontally. Read the threads on here and see the different interpretations. Electricians generally are a poor trade craft-wise, just look at the appalling state of the wiring around most meters that are slapped all over with no idea of neatness and not even clipped. 25mm cables loose so kids can pull them off.
EFLImpudence has nothing to add to this thread, except noise. I fear he doesn't know. Maybe he thinks he is the Part P Police. I would advise most people to do homework first as if you get three electricians in, you will get three different solutions and different interpretations of the regs. Most electricians did not know earth bonding before the 17th regs. I knew one who insisted that the bathroom bonding HAD to go back to the meter. Even I knew it did not and that the appliance in the bathroom just needed to be linked to each other. Another who would run cables over kitchen worktops behind the tiles horizontally. Read the threads on here and see the different interpretations. Electricians generally are a poor trade craft-wise, just look at the appalling state of the wiring around most meters that are slapped all over with no idea of neatness and not even clipped. 25mm cables loose so kids can pull them off.
Most electricians did not know earth bonding before the 17th regs.
If you need to find a tradesperson to get your job done, please try our local search below, or if you are doing it yourself you can find suppliers local to you.
Select the supplier or trade you require, enter your location to begin your search.
Are you a trade or supplier? You can create your listing free at DIYnot Local