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If your builder mate is building town houses of around 75 m² then he's probably right. Building regulations have increased the insulation requirements significantly in the last few years. Now heat losses from this type of house are so low that the fixed costs associated with gas more than offset...

Contracts don't have to be written (except for land). They can be verbal or even implied. Unwritten just cause more aggro if something goes wrong. If a change in price wasn't agreed when the spec changes were agreed, you should expect to pay less. With half the power to your shed, half the...

Assuming your electrician can read... Download the Approved Document part M by clicking here. On page 13 there is a copy of the relevant building regulation. In black & white (erm - well, green) it says "The requirements of this part do not apply to an extension or material alteration of a...

Possibly, possibly not. That tells you it's a two way switch circuit. Not all 2-way switches use a three core; in days of yore 2 strappers were used, linking L1-L1 and L2-L2. live feed to one common, switch wire from the other. Live looped from one switch to another, neutral from one rose to...

You've gone wrong because you've assumed that the red wires are live and the black neutral. They are not. To solve your problem, you'll have to understand how two-way switching circuits work. Click to read Wiki Or you could get an electrician in to sort it. Ignore EFLImpudence. His...

They've nicked our 13A BS1363 plug to use as a 3-wire armored connector! Erm — Or I think they have. Difficult to translate from the Yankish. http://www.ehow.com/how_8593676_connect-wire-grounded-armored-connector.html

The fact that the vast majority of houses in the UK do not meet the requirements of the current version of BS7671 and people are not dropping dead like flies ought to weigh heavily in favour of the defence.

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It's usual to supply an American appliance through an autotransformer, not through a site transformer. 230/115V auto transformers usually have American style sockets on them, so you can avoid the site type plug problem.

"How to win friends" by BAS :lol: :lol: :lol: :lol:

The belief that plasterers sharpen their floats such that the mere touch will slice into TW&E. PV installations to recover the FIT. 240/220V autotransformers that are alleged to save 10% of your electricity bill.

Let him do it and he'll remember not to do it again. Just tell him and he'll forget ('cos he's so stupid).

A curious advantage claimed by that article for the high legover system is that it requires two transformers instead of the three required by a normal three phase system! :shock:

I have always thought that a single phase supply was incapable of itself creating a rotating magnetic field, whereas a 2-phase 90° or 3-phase 120° could. Indeed, to make a single phase motor start, it's necessary to create a second phase with a capacitor or a lagging magnetic field with a short...

Does that mean that a real 2-phase system would be known as a 2-phase 4-wire system?

According to that publication, as a member of the IEE (presumably the ITE) you may be a competent engineer, but competent person you are not. Of course, that publication only applies to Bournmouth; other towns may have different rules. Indeed, Gavin might be competent in other towns or even...

There is a distinction between the competence needed by a DIYer and a tradesman. The tradesman needs to be competent to undertake any work that comes his way. The DIYer only needs to be sufficiently competent to undertake the job in hand. That may be something simple such as connecting a...

It seems that respondents would agree with the sentiment that it would be a pity if the terrorist didn't die through his own actions, but not for an opportunistic or negligent thief. I'd agree. But here we are talking about a thief who planned his misdeeds, carried them out with...

No. I'm just quoting from my PII documents. If I look at PII for other professionals, I find similar cover — it's for intangibles like intellectual property and so on. I guess electricians' work is covered by other insurance such as PLI but I don't know because I've never needed it.

The only safe way is to switch everything off and drill using a battery powered drill.