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I and other collegues routinely inspect hot burger trailers and we are somtimes shown documentation( EICReports) showing that it has satisfactory earthing arrangements- how can we be certain that the certificate is valid and what should we be looking for which might indicate that there isnt...

Thanks to everyone for posting -I will crack on -and I will stop moaning.

I am on the first year part of a 2 year Level 3 C & G 2365 course at a local college ( night school and I'm 50 ) -  Im losing my rag because a) we are being fed how to pass exams but not IMHO being taught to understand the complex principles ( previous 2 lecturers have left/ ran to the...

Thanks for all the infornmative , helpful and useful comments. My question has been answered . I thank you.

I'll get my coat. :coat

Only asking - sulk :coat

Just confused-  thought if the design voltage was 40.87A then the overcurrent protective device should be say 45A irrespective of the diversity calculation. If anyone can explain I would be grateful.

I did a diversity calculation ie 10A and 30% of remainder( from On Site Guide) and the figure came to 31.61A . I have asked how many times will the cooker be used with all the rings on and he has stated that the cooker will often be used for religious gatherings , feasts etc so full load will be...

A friend has asked me to help him fit his new 9.4kW electric cooker. I have done some calculations and  know that the desing current is 40.87A . He has a 30A rewireable fuse - I have advised him that he will need to change to a 45A fuse. The instruction manual advises either 1.5mm or 4mm cable...

The spark was probably worried that the ambient temperature would affect the current carrying capacity of the cables and it was a sort of spur of the moment thought - why not drill 30 or 40 holes in the top of the CU to cool the cables down sort of thing.... 

What's not to like ....  the electrician was clearly competent, qualified and highly skilled.

I am interested in buying an sds drill - does anyone use these and which brand model do you use and what features should I look for ?

I am going to ask the owner of the mobile to get an EICR done and see what comes back. Thank you to everyone who replied.

Does anyone know where I am going wrong? A friend wanted to know if a double socket which had been left with cables protruding ( wrapped with insulating tape ) by an electrician/ handyman was dead- I pulled the fuse labelled top floor ring main and I was told that top floor sockets were still...

The mobile I was assessing last week had a petrol generator providing power via an inverter for a variety of catering equipment. My questions are as follows a) If the mobile has RCD protection , would this be sufficient in absence of a TT earth ? b) If just RCD is not sufficient how would a...

Beautiful work, M107!!

Some HGVs are now fitted with camera's as standard for insurance purposes and it saves time as all the evidence is on the film.

Has anyone used a Robin KTS1625 digital multifunction tester as I am thinking of buying a tester but most sparks advise Megger or Fluke .?

Thanks for all the advice and guidance -I am waiting to see if i get the job as I was expected to do the job for nowt and I gave a quote ( as I have done work for nowt in the past and was quickly forgotton whilst paid spark was given the work and was paid the going rate) - I think that he wants...

A freind would like me to repostion a light to the centre of the room- does anyone have a method to get cable through the ceiling as there is no access ( loft is now a spare bedroom and carpet / floor cannot be touched)- I am currently thinking eithier making a chanel across the ceiling or...