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This may offer a guide http://www.tlc-direct.co.uk/Technical/Charts/VoltageDrop.html But other factors may also affect cable size

And don't forget to notify LABC before you commence work :wink:

The best way would be to use a safety relay, try searching Farnell or RS components for one. If you interupt the coil of the contactor using the e-stop, you may have issues about automatic startup when the e-stop is reset. However one way of fixing this issue is by placing the e-stop in series...

Interesting points being made. What about all other parts of the Building Regulations? Do caravans need to comply with those? Regards

Surely you can work out touch voltage multiplying the RCD rating by the Zs of the circuit :?

Here is some usefull info for shed wiring http://www2.theiet.org/Publish/WireRegs/WiringMatters/Documents/Issue16/2005_16_autumn_wiring_matters_electrical_installations_outdoors.pdf

Will a loop impedance test be adequate? Regards

Why spur from the socket? Cant you break, then extend the ring at that socket to include the extra FCU's? Regards EDITED: oops sorry davy, I see you already said that :)

If your meter has 4mm sockets then there is an adapter on ebay for using a mains extension lead as a wander lead. There is also a 50M wander lead for sale but it costs 75quid :shock: I think you need to search for 'wander lead' as well as 'wandering lead' regards

I disagree that its FAR beyond regs as it can be isolated at the CU. You could argue that a 13A socket on a 5A circuit is beyond regs. But I must admit the wiring into an FCU idea is definately best. EDITED: Local isolation means you wont damage the booster during insulation testing (if it...

Why put a socket in the loft? Just cut the plug off the booster and wire it into a junction box on the light circuit. No need for additional fuse protection as it is on a 5A circuit anyway

If all the lights are on 1 circuit then maybe you have a loose connection at a ceiling rose. You could turn off the power and have a look by pulling on wires. There will be 3 rows of terminals and the ones at fault will be 3 browns( or reds), or the terminal with 2 blues(or blacks). Thats not...

As long as you have back nuts for the gland you are ok. Sometimes they are sold seperately

Your local building control should appoint someone to oversee the rewire. That person will give you all the info you need

Point taken If I see anymore posts that need answering I shall reply with "Leave it well alone you monkey"

Dude, I was taking the p155 because the I found the spur issue funny. :roll:

Its probably easier to run it separate if the consumer unit is there in the cloakroom PS don't forget the the label warning of 2 different wire colours :D

Yes http://groups.msn.com/SparkyHeaven/frontpage.msnw