Recent content by maffematics

I stated in my first post that an RCD was protecting the SWA but it is a RCBO That is protecting the SWA

hi a bit more detail Suppliers fuse is 80A and the meter tails are Henley blocked the above stated RCD is a 30mA RCBO feeding the swa the armouring is earthed via tncs supply but is not entering the metal consumer unit hope this make it a bit more clear Thanks for your input Matt

Hi All I carried out a domestic condition report today on a very small cattery and was wanting to know if the main switch and RCD were the wrong way round or even if it matters It is a domestic property with a wooden shed in the garden being used as an cattery. The incoming supply is an TNCS...

Thanks for the reply Gas and water bonds go into house consumer unit Matt

Hi all I have been to a property that as had an extension done a few Years ago a 16mm twin and earth cable was installed to supply a consumer unit via a 63a switched fuse they used the cpc as the main earth for the sub board. The earthing arrangement is an TNS. As I will be installing new...

Would I need to do this for all earthing systems or just TNCS? and also if I used all plastic accessories would I be able to use the TNCS earth or still install a rod? on the job in question I will do as Noz recommends but wanted to know for future installations thanks for your input Matt I...

So to make this right I would need to re gland the swa into a plastic box below consumer unit and just bring the 2 conductors into the consumer unit. Thanks for the info Noz

I have not connected the the swa to the earth bar in the barn consumer so the 2 earthing systems are not connected together I am also using rcbos for the outgoing circuits

Noz spark I used a swa gland Slipshod Thanks I will have a look

I have used an insulated consumer unit so swa is not connected to the TT system and tested it all correctly Thanks for the help

Yes that's great. I was using niceic certs and that had the same info on them I am now using easy cert which doesn't give that option thanks again

Hi all I have just finished installing power to a barn via a switched fuse connecting directly to the incoming suppy. The house is a TNCS system which I have used to earth the switched fuse and the armouring of the swa I have used. As I have used metal clad sockets and switches I have put a rod...

Thanks I have looked on the isswww website plenty of bedtime reading Matt

Hi I am looking to buy a new installation test meter any recommendations thanks for your input Matt

Hi All I was asked by a friend to look at installaing a cooker supply in his rented house as the landlord said if he wanted it he would have to pay for it. after looking at the condition of the insatllation the property is in need of rewiring due to the wiring being old VIR cable and no earth...