Search results

Mate of mine lives in a beautiful historic 3 storey house. Over the last couple of years I have done a fair bit of work there. Installed a kitchen, and recently 2 bathrooms. On the 3rd floor there are 2 large bedrooms unoccupied and a bathroom. The bath had mixer taps and he asked me if I...

Customer wants some extra lights and you use all your skills to save him some money, and then you get criticised. I mean how many of you guys could get this many cables in a lil old JB. :?

Kitchen area of house is single skin and will be battened and boarded with jablite as the insulation. New kitchen ring to be installed. Is 'Jablite' a proprietary name for polystyrene? Am worried about leeching of plasticiser...any advice? Anyone know the properties of Jablite?

Scenario: You are doing an inspection and test and you there is ELV wiring. The transformer is labelled SELV. Can you tell me the correct way to IR test. Is it 250 or 500 applied between the conductors of both circuits with the transformer disconnected, OR is it just 250 between the terminals of...

The new requirement to confirm phase rotation under the 17th regs meant my test kit had a gap in it. I didn't want to spend a lot of money so I ordered a phase rotation tester from China. It works atreat. It has good display of a rotating disc (clockwise if ok) and 3 leds also confirm. Its as...

I understand SELV & PELV but can somebody give me an example of FELV that does not include the attributes of the former?

The following is an excerpt from P65 of The Electricians Guide to The Building Regulations......its the Green Book published during the time of the 16th Edition: Broken PEN conductor. Under very exceptional circumstances, the supply PEN conductor connection to an installation could be lost to...

Supplementary bonding seems a popular subject. Scenario: A radiator is fixed in a bathroom. The pipe under the floor is copper. The plumber fits a plastic push fit elbow under the floor for each copper tail. Do you bond the radiator or not?

Assistance please gentlemen with this table. Earthing conductor from MET through a buried duct into a pit with a lid. According to this table 2.5mm2 is adequate.........Tell me where I'm going wrong

Can we now take it that 100mA S type RCD's are a thing of the past and that only dual RCD (30mA) split load boards, or indeed a board full of RCBO's comply where cables have no protection?

5 months back I did a consumer unit change. Modified a new consumer unit to be dual RCD split load, with 10ways left for circuits. I used up 7 ways. The client told me she wanted to change her gas cooker/hob to electric during the summer. It is a very small 3 bed house with 100Amp supply. Told...

Do you remember when Prince Phillip (whilst touring a factory in Scotland) looked at a fuseboard and said 'Looks like it was wired by an Indian'! See the images below and his comment was probably made from his navy days when he sailed into Bombay! The thing that is striking is that this...

Please give your advice based on 16th edition only Scenario 1 OK so your on a 4th floor. Place has its own distribution board with RCD. You are doing a PIR. There is no likely hood that anyone is going to plug in a portable appliance for use outside the equipotential zone. Q1. So the...

Am currently studying 2391 and wonder if someone could advise me on some things that are confusing me. 1) In Hinsleys book, Testing Electrical Installations, he quotes some examples of PSCC he talks of measurement or calculation. I quote ' Assume you have a reading of 0.10 ohms, you need to...

Sometime ago somebody posted a selection of home made warning labels suitable for affixing to barriers when doing electrical work. Have looked in the wiki but cannot find. Can anyone help?

Went into CEF and Wilts for some SCC and they looked at me blankly. Can anyone tell me the name of a wholesaler who will sell cut lengths. I want 25mm2.

http://business.listings.ebay.co.uk/Meters_Insulation-Testers-Meggers_W0QQfclZ3QQfromZR11QQsacatZ121877QQsocmdZListingItemList Just bought this software off ebay for forms, arrived today.. If you've got a laser printer reckon their worth their weight in gold (be very expensive on inkjet...

I wired my home 20 years ago and it does not conform to 16th regs. Come jan 21 a strange phenomenon! My installation will conform to the 17th without me lifting a finger! How good is that?

I am moving a consumer unit about 5 metres to the right of its current position. The existing consumer unit (BS3036 fuses) terminates almost at ceiling level. Once I have removed the existing consumer units I want to connect all of the circuits into connector blocks mounted on a din rail inside...