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So got a job to supply a shed from another shed on a farm.  The old overhead supply was pulled down by a tractor driving under it.  The farmer has told me he would raise the catenary higher (supposedly to 6m).  Still will try to persuade him to go underground as its about 20m between sheds. So...

Hi all, Looking to broaden my horizons and interested in learning some more about generators broadly.  Anyone any suggestions of good books they've read or websites that give info on generators? I know i can find loads on google but just in case there were any suggestions! thanks

So please clarify this as was reading something on RCCB's that confused me! As I understand, an RCCB (im thinking of a 32Amp Hager here) is basically the same as an RCBO? i.e. combined RCD and MCB , with the older style hager being a two module one? Also for this type,(excuse my laziness to...

Hey guys, Been working as a sparks mate for couple years now trying to get an apprenticeship. Company took me on last year but then went bust soon after! I trained as electrical engineer but not suited to sitting in an office! I got 17th edition and doing my 2391 just now (passed the...

hey guys, if anyone really bored.... maybe they can try this and avoid any more confusion for me! thanks, A seven year old 400/230 V three-phase electrical installation within a small commercial unit forms part of a TN-S system with a measured value of external earth loop impedance (Ze) Of...

hi all, Sitting my 2391 in Feb, wondering if anyone had any recent papers that they'd like to pass on?? thanks, shane.

Hey guys, its actually my sisters electric under floor heating, think she got it put in about a year ago, no problems and been working fine. About two weeks it tripped the RCD (FCU off kitchen ring) and keeps tripping, around time it tripped my sister had washed tiles but she said with ALOT of...

hey guys, showing my lack of knowledge again in three phase, but got my 2391 practical coming up and not sure bout this. If there is an isolator/starter from a 3phase DB supplying a 3 phase socket, how would I go about testing it? im presuming open the isolator and do an normal I.R test from...

hey guys, Not got much experience of three phase work so this may seem fundamental... but jus quick question about how to test these- Got a three phase socket outlet to test- want to take Zs of the socket, which is supplied by an isolator/starter, Also how do you test for phase sequence...

HI guys, 23 years old, elecrical engineering degree but want to train as electrican- good time eh! Currently work as handyman but would be REALLY keen for any work experience (for free!) to sweep floors etc! in the Glasgow area to build up some experience. Im a very fast learner and have good...