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basic

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  1. E

    general builder looking for basic electrical training(without wasting time and money)

    so I work with this other guy as a general builder and he's a plumber, I figure we'd make a pretty good team if I could do some electrics. Most of the work we get are like full house renovations so I'd like to know how to do rewires, kitchens, lights, sockets etc. and check it all off. My...
  2. T

    3ph Heating Element

    Hi guys, I have a basic wiring test on Friday and I've been told one of the practical parts is wiring a 3ph heating element. Does anyone have a basic diagram of how this should be done ?? TIA
  3. O

    Basic CCU Installation.

    Hi, Can you help me with the neutral arrangement an a CCU? I've just finishing a level 2, done a 17th, and got a part p next week, getting stuck right in but as you know its all legislation and frustratingly little actual wiring!!!!!!!! So im trying to educate myself on the side. The supply...
  4. S

    Basic Quote of Full Monty??

    I've always sent our customers a full quote, T&C's, cancellation notice order form, roof plan, etc, etc. My last 6 surveys have consisted of being shown a single piece of paper with a quote on from the shiny suits. The customers don't seem to be interested in either a roof plan or pages of...
  5. S

    MAXIMUM DEMAND... nic assessment

    hi guys. if i calculate maximum demand like i got 6 circuit 32a cooker 32a upstairs ring 32a down s. ring 20a,radial 6a upstairs light 6a down stairs light get the higgest one and add the rest together get 40% of it and finally add to highest one.. do u thing is that right?? and also do...
  6. W

    Basic Electrical Formulas????

    Can anyone leave me some basic electrical formulas that i should know as a year 1 apprentice and explain them? thanks
  7. T

    does earthing provide basic or fault protection

    hi does earthing provide basic or fault protection
  8. D

    3 phase contactor not dropping out

    Hi folks here goes im replacing a contactor on a 3 phase sheet metal bending machine the old 1 is obsolite an was gave 1 that would do the same job the old 1 had termanals 33 an 34 new 1 dosent 33 had a red going in and a link to A2. i put the red into A2 and a link to 13 an its energising bet...
  9. D

    Electricians should know there basic maths.....DO YOU!!!!

    What is the answer to this equation; 4X4+4X4+4-4X4. This isn't a trick question but hopefully ill show a confliction of answers which il explain why later....
  10. T

    The best course for basic testing ??

    Is there a C&G short course that runs through basic maintenance testing of circuits, motors etc Thanks in advance
  11. C

    Basic PV / Solar panel questions

    hello all. i have never installed solar panels before and was hoping for some advice / help please. what is the average price you can charge for a basic domestic system? are the systems easy enough to install? is there any training or courses that you need to do to become an installer? how...
  12. M

    Insurance

    Got a Question .......................... I have recently got quotes for Liability insurance ranging from £650 - £850 then I contacted NICEIC £127. Iam I missing something ?????
  13. Floody

    Basic Testing

    Hi guys, brilliant new thred im sooooooo pleased this was set up I cant even begin to tell you. Ok, Testing. Im trying to find out the basic testing that needs to be done on all circuits. In college we are currently wiring lighting switches and ceiling roses. I can see the tutor lightly...
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    Basic product specific advice Tridonic PC T8 PRO, 30 – 70 W

    Hi everyone, this is my first post. I am not an electrician and just looking for some advice. I am restoring my aquarium hood lighting. The previous unit was not sealed properly and the components suffered badly from water ingress. I have taken the old flourescent ballast out and it reads...
  15. D

    books and witch ones i need

    hello my name is david mackay im 30 years old been a floor layer for like 7 years and have decided to become a sparky its the only other trade i have wished i could be all the time not sure why maybe cause its quite technical any way going to trade skills for you next month to do my domestic...
  16. S

    Does my Irish Qualification allow me to work in Scotland???

    Hi All, I was working for an Access Control company for about 18 months and was told that my Irish Electrical Qualification was sufficient for me to do basic things like wiring spurs etc. I have recently started my own business doing CCTV,Alarms etc. I have found conflicting info about whether...
  17. M

    Low cost basic PCB's for hobbyists

    Hi everyone, First post and also want to make an offer to this forum! I understand that this forum only allows me to offer products to other members providing I make a contribution to this server and thus wish to: I make low cost basic PCB's (Double sided, single sided, FR2 and FR4)...
  18. E

    The basic op amp circuit for voltage stabilization

    The basic op amp circuit for voltage stabilization In the circuir, the value of R1~R3 can be selected by the required regulated value. UA is higher than UZ. The voltageof circuit shown in the figure b can be regulated by RP. The regulating range of voltage UA is about 2V~(UB-2V).
  19. I

    While I am asking basic question - here is 1 more

    What protection does a CU main switch offer? Is it just a switch or does it offer overload protection too? I have asked a few sparks, and every one said it offers overload. When pressed for what would cause it to disconnect they did not know. So anyone know anything about this?
  20. S

    Extending wireless monitor signals - basic!

    I hope I am in the correct section with this request. I have an energy monitor which can receive wireless signals from a transmitter CT around a supply cable and it will also receive wireless signals from plugged in sockets which can read power usage via that socket. By simple calculation it can...

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