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Thanks for the replies What about using rockwool (or sheets of foil backed kingspan foam) between joists instead of standard fiberglass rolls

Hi i was wondering could some one help me with my query? I have a ground floor single story extension with a flat felt roof and want to insulate the inside ceiling. I was thinking of installing insluated slabs and plastering , but friends have told me that it is easier to put rolls of...

Hi i know a fireman switch is usually located outside a building to disconnect high voltage lighting in case of a fire our other situations but could anybody give me other examples of when they are needed and what they are used to disconnect ... main supply for building??? ect.. Thanks

Hi i was windering is there different types of economy 7.Some places i seen have a seperate board and some dont.Can you get economy 7 to supply all your house , apartment ect.. or is it just for the heating element of the premises or is it a bit of both ...

HI i was wondering what you people on here would find best when terminating an swa at a consumer unit , regarding the armour.

Thanks Lectrician Is there any specific reason why it is a neutral being switched

Any body got an answer for me?

Hi i was just wondering could any body shine a light on a query i have regarding the dual rate meters. Ive recently seen a meter room for apartments and was looking at the arrangement. Obviously enough there is the live neutral going through the day night meter but ther is also 3 x 1.5 mm...

Ok thanks gary and rf sorry bout the delay replying

Hi , i was looking at the back of some plastic roker switches at work and the writing on the switch said 10 ax . It was obviously a 10 amp switch but what did the x represent. I thought it might be for inductive loads. Ive never seen a switch give its inductive rating, ive seen it on an APT...

Great to see the same people i had an 'arguement' with last week are still hitting the headlines. Grow up its a diy forum,if you wanna be superman register with a more professional site and suck your thumbs.

This forum is good but some arrogant know alls surface now and again and think that their post count in their profile allows them the right to be smart and it really annoy me. This is getting off topic.

Ban All sheds as usual being snotty , not answering a question and trying to humiliate a poster. If you went to the effort of replying why didnt you answer the question instead of pointing out how badly the post was worded.Too much free time

Is it that if theloop tester gives a reading over 80 percent than a more precise measurement needs to be done or is it over 80 if manually measured

Hi im a small bit confused about finding the values of the loop impedance of an installation. I fully understand the path of the loop and all that but im stuck on the temperature factors to be applied. If you use a loop impedance tester , is the value displayed the correct value or do you...

Hi Does any body have any tips on the installation of those lights that are recessed into the ground. A few friends of mine installed them and had a few snags.Any body install them regularly and have any tips on sealing them etc.. Thanks

Thanks ,I know what your saying i would plug out any obvious appliances that are visible. Im not asking out of laziness but im worried about electronics that are not known to be connected or that have no isolation or its impractical to disconnect. Aside from the computers you mentioned would...

I know your meant to disconnect electronic devices from circuit when performing an insulation resistance test. But if you only do a L+N to earth test will this not damage any electronics in the circuit. I am thinking that there is no potential across the live neutral so there will not be damage...

Thanks spark123 it was just something that was stuck in my head for ages and i never asked.

Hi i read a post which was recently posted about a lighting circuit being wired from the c u as if it was a ring final circuit. Can any one tell me would this have any benefits and any disadvantages. I can think of one myself, if a lable became loose and came out of its terminal it could...