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...thanks John, I think i understand. .... so, when you first measure a straight line on a wall say, the glass tube is this way up... n .... the bubble is in the centre at the top (this bit is obvious). What you are saying is that when you turn it over , and put the level up to the same...

Hi I just want to buy a spirit level for small job positioning like shelves, socket outlets, wall lights etc. I am confused in descriptions for such tools by the comment "easy to calibrate". How the heck would you calibrate the horizontal setting and how can you be sure the calibration of a...

...4% of a 230V circuit (unless it's changed in the 17th). 4%=9.2 volts.

....Great, that makes me feel better about it. Alex

Hi chaps. I spend 45 minutes per day exercising in my garage. The garage has an asbestos roof. The roof is not disturbed by the activity apart from the movement of air, but I was wondering if prolong exposure in this enclosed space could present a health risk from the asbestos. Maybe you...

I've had this situation recently with a DVDRW/CD drive. It's not a new one but i guess it could be the same problem. DVD's are recognised, play and writeable. However, CD's are not recognised/do not auto-play etc. I concluded that the laser is dead or dirty (following investigation). Aparently...

...Your first point did cross my mind but I wondered why it had only recently manifested. I'll investigate the looped feed idea first,- sounds easier! Thanks RF

I was in a building this morning and was asked to have a quick look at a issue whereby, when the light is switched on in one room, the flourescent in the next room goes off for a second, before re-lighting as normal. This is only a recent problem apparently. Any ideas what might cause this...

...sorry, by 'threaded', I mean cross-threaded - knackered.

...understood. Thanks John.

...thanks John, would they work on the cpc terminal (fixed to the back-box) too? If this tool is used, is a larger screw required?

... If either the lug in the backbox (for the facia screw), or the screwhole for the cpc terminal in the back-box, is threaded, is there an acceptable way to rectify without changing the box? cheers.

Hi Guys, I don't know if you can advise. I have just been charged £430 inc. VAT for a cam-belt change. The parts charged were as below but i am wondering if any of these parts are included in the first item (the kit), and/or if it is likely they would need to be changed? I actually saw the...

A-hem, ..of course!

Awww, you like to see a bloke struggle. But thanks for the tip. ... I reckon this anyway...

Guys, Admittedly a college question but i'm really pushed tonight..If anyone can respond (with the answer) by 9:30pm i would really appriciate. I swear I will look it up subsequently and fully understand the topic. Cheers... Q An earth electrode has a resistance of 120Ω. What is the...

..sounds like a plan. I'll do as you suggest....cheers.

Hi Guys. This s/o is the only one in a large bedroom. I want to extend the ring (by cripming) to 2 other s/o's on the opposite wall. As the floor is laminate i will need to go into the loft and down the side of a chimney- breast in trunking. The added complication is the cable shown right, which...