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My garage has guttering which feeds into a drain as you would expect. I have recently put my washing machine in the garage and drilled through the wall and piped up the washing machine drain into the gutter drain. problem is the drain regurally overflows. It doesn't appear to be blocked...

superb thank you.

What does the appreviation "LIM" mean on a test sheet? I noticed this in the box marked "Supply Fuses Characteristics" on a test sheet I was look at the other day.

In the bedroom I have a wall mounted AC unit, its a small unit and runs from the mains. Problem is the nearest mains outlet is behind a cupboard. I intend to run a length of flex from the socket (connected via a 3 pin plug) and then connect to an RCD protected FCU somewhere close to the AC unit...

123 The question was purely hypothetical. The regs state that MEB conductors shall connect to the the main earthing terminal extraneous conductive parts of the installation including: gas, water, heating,AC, other. So lets say you install AC in your kitchen, and the kitchen has a sub main...

Hilarious, Im talking about main bonding where pipes entre a building. My question was is it ok to use the Earthing Bar of a Sub main to main bond pipes entering a building if the sub main is closer to the pipes i.e. saves running a complete new earth from the primary C.U

Thats what I thought, would love to know other peoples opinions.

Lets say I have a sub main CU in the Kitchen, can I use the earthing bar from that CU to bond pipes etc. Or do I have to run a seperate earth from the MET at the primary CU ?

So its ok to do so then if the environment is safe enough?

What are the rules+regs on clipping T&E direct to an internal brick wall. i.e. no conduit or trunking just clipped directly to a wall. Does it have to be a certain height etc.

Thanks Adam in simple terms here goes: If I have to power a 3 phase circuit 100m away from supply and the piece of equipment is rated at 13A I would be ok to run it in 4mm sq (mV/A/m) x I x L/1000 from table 4D2B 9.5 (4mm) x 13 x 100 / 1000 = 12.35 V (this is under the 16V you...

When working out a Volt Drop for a 3 phase system what it the max allowed. 4% as in single phase? Say if you have a VD of 8v this is ok for 230 single phase (just). But what about a 3 phase system i.e. is the % worked out as a % of 230 or as a % of 400v Pretty sure its a % of 230V as your...

So even though its not common practce is is still allowable? Thanks for any advice

Am I ok to double up on 2.5mmsq cable to increase the overall CSA for a radial circuit i.e. x2 2.5mmsq cables ran in parallel would give me 5mmsq Right? and therefore an increased current is allowed. Is this a common practice?

Yes - why do you ask? Ahaa is it because my post has mysteriously been posted 3 times :oops: Always takes me 3 times longer than normal. ++++++++++++++ Moderator's note: I have eaten the duplicate ones. I think it happens because the server is feeling tired and people might...

Im doing the same thing with a kitchen I called the council who said the work has to be done in accordance with BS7671 and that the person doing the inspection has to be compitant. I asked what compitent was and they listed all the qualifications. 2381 being the minimum. I hold 2381 so they said...

Thanks Chivers. for item 3 is it common practice to have an FCU to protect the fixed appliance (as well as the connecting cable to the appliance) NO 3 pin plug on the appliance thats all

Is it ok to controll 2 devices via 1 switched fused spur i.e. (1)Switched fused spur ----->------ (2)single socket outlet-------->-------(3)FCU (for fixed appliance) i.e. the first SWICHED FCU will isolate if necessary items (2) and (3) Note (low powered appliances)

Please excuse my ignorance but I dont understand what you mean here can you explain further. Thanks P.S how about this: http://i169.photobucket.com/albums/u213/rewire_bucket/switching2.jpg

After visiting this forum several times with questions (kindly answered) by you pros I am coming to the conclusion that any bit of fixed or perminant equipment in a kitchen must have a means of easily accessable isolation Correct? and am I right in thinking this relates to 476-03-04 Anyhow Im...