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moggy1968

your extractor needs to be on the RCD

moggy1968

some flats run single cables in metal conduit. the earthing is achieved through the metal conduit. if it is possible to tap an earth onto this conduit then your ok for a class one fitting. Otherwise SELV| fittings may be appropriate as they don't have an earth. with regards to the RCD issue. if you ...

moggy1968

this work is notifiable, so you either need to employ an electrician who can notify the work, or you will need to notify building control of your intentions BEFORE you start work. there are a lot of other factors to consider. where will you pick up the feed, is this circuit RCD protected, can it tak...

moggy1968

what rating are the fuses, do you know what size the cable is coming in, does it look the same size as the one on your sockets for example or is it smaller/larger.
the answer however will almost certainly no you can't just add heaters onto the same circuit.
Andy

moggy1968

hmnn, I was thinking about a 2G, thanks a lot guys, that gives me some food for thought, I'll sharpen my pencil and get drawing!

moggy1968

hmm, reckoned a 2G switch was going to be the answer. will probably take feed off the garage lights which are already RCD'd

moggy1968

HI all, usually answering posts on here not asking them, but thought I'd get some opinion on a job I've just reccied. The guy wants 2 outside lights fitting on his house, normal ones, not security lights. I'm going to use an IP rated switch for this. All thats easy enough. whats a little more comple...

moggy1968

does the room contain a bath or a shower?

moggy1968

regs on the height of new sockets are contained in the building regs, however, the wiring regs do require that sockets are mounted high enough to prevent undue stress on the appliance cable. there are also regs about siting sockets certain distances from cookers, sinks etc.
Andy

moggy1968

theres no particular need to change to a new box, however, your installing spark may have difficulty installing some of the new circuits unless the whole installation is up to 17th ed standards, i.e. with a new box. it depends on your scope of works. the regs are never applied retrospectivley, hence...

moggy1968

10ml is, however, a nightmare to work with! pre shape your cables before trying to push the switch onto the patress and use a deep box. don't be tempted to use the screws to pull the faceplate on, it will break.
Andy

moggy1968

depends on the rating of the stuff your supplying. A fused connection unit (with RCD if the circuit doesn't already have one) might be a better way to go

moggy1968

save yourself the cost of elecsa and getting in another spark, just call up building control, tell them what you are doing and ask them to certify it.
I would think a job of this magnitude will satisfy elecsa (I'm with them as well) but it depends a bit on your local inspector.

moggy1968

in essence, thats ok, BUT check that the consumer unit is really dead when you flick the mainswitch. If you don't have a remote main switch (i.e. the only one you have is on the consumer unit) be aware that the CU input is still live and will give you a fairly nasty (and possibly terminal!) shock if...

moggy1968

providing the connections are accessable and maintainable there is no problem. If the cables are or could be under tension (i.e. being pulled or kicked (such as the ones in the loft) they should be in a suitable enclosure which will prevent tension being applied direct to the connections, such as a ...

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