Search results

I know we all do mates and family favour jobs but just wondered if anyone can beat this. Not long after i got married my sister in law asked me round to install an outside light for her. bearing in mind they are a childless couple and absolutely loaded, after spending a few hours wiring and...

Hi can anyone see a problem with this: house with 17th ed cu with an outside socket on a 16amp radial (rcd backed), socket and light required in garage so was thinking of taking a swa off this socket into the garage and connect into 2 unswitched fcu's , 1 double socket to come off 1 fcu 13amp...

copied from the voltium newsletter which i know not all members of the forum get - a bit long winded but worth thinking about Just about every sector of the fire protection business now seems to be targeted by counterfeiters and rogue manufacturers. Nowhere is the risk greater than when the...

had a headache problem today thats driving me mad, i'll try and give as much info as possible 10 amp type 2 mcb lighting circuit feeding 18 600x600 led modular fittings over 2 rooms (9 in each) measured load when on 3.8 amps total feed comes from the board to a key switch then up to emergency...

hi all i have a 315 amp 3phase TT supply head from edf into an outdoor enclosure and it is connected to our mccb (with earth leakage relay and shunt trip) this then goes up to the plant room to a 400amp busbar (via an isolator). my main earth bar is upstairs with the busbar (as EDF dont want...

Hi all When filling in an NIC EIC for a TT system in the column maximum Zs permitted by Bs7671 do i put the values from table 41.5 (brb) ie 1667ohms if all the circuits are protected by BS61009 rcbo's regardless of the type? thanks

Hi all i'll try to keep it brief I'm working on a site that is using an existing gym and changing it to site offices. The building is having a new 400A supply bought in by EDF to feed new boards + existing power etc. The consultant has done his design on a TNC-S supply but EDF are saying that...

I'm currently running some radials for power poles in an office and the consultant has asked for high integrity sockets. i know that i have to run a seperate cpc back to the c/u and this cpc should be in seperate terminals at the socket, but if i'm running back to a standard merlin gerin...

hi i'm working in a commercial building with a 100amp 3 phase supply, they are installing a new 400 3 phase amp supply that we are putting into a busbar with 4 new boards. As well as these new boards we have to re supply the existing board, do i have to test all the outgoing circuits on this...

Hi all done my 2391 a few years ago but never got a chance to use it properly as my old firm had 2 full time testers, so obviously a bit rusty. i need help on a couple of entries on the NICEIC electrical installation cert ICN2 the work i'm doing is adding some lighting and power to an existing...