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  1. a-z electrics

    Curve (Denmans) RCDs

    Anyone had problems with these rcds? Control Gear Direct, 30mA, 63A 2 pole.. I recently bought two 10-way dual rcd boards from denmans.. first one had an rcd which didnt trip on test button, even with load removed. Second rcd didnt trip under 300mS, but button worked. Swapped them for the...
  2. D

    Is a mother board first fix or second fix

    Hi I am a property developer currently doing a development of some flats. The contractor was to provide first fix electrics. He is saying this doesnt include the mother board and all the bit within it (I am not sure of the technical terms). but it seems to me that a mother board should be...
  3. D00DY_T00DY

    Do I qualify as a second year apprentice?

    I'm starting my second year in college in two week, but I started employment in may and got moved up to level three. My wage should go to my age group with being a second year. I'm thinking its an academic year, my boss thinks it's a year from started employment I've caught up with all the...
  4. S

    Nic second year visit

    hi guys last year i did my firs reg. with nic. what to expect this year from nic guy...and how many jobs do i need to show.?
  5. D

    Second supply line to relay

    Hi, Have a general question here that's not in any way a loaded one, more out of curiosity as I always like to learn how things work. Such a thing would actually be impossible now because the switchboards are locked by the electrical company as well. The builder of the house we live in now, in...
  6. S

    gaps in your knowledge

    So further to my previous thread Been an electrician now for fifteen years So I have started with a new firm and I'm realizing I have some major gaps in my knowledge base I've always worked big jobs Empty shell Containment First fix Second fix Handover Move onto the next one Separate data and...
  7. N

    Voltage Drop Equation

    Hi, I've been doing some revison and came across 2 different equations for voltage drop. The first one is; Vd = mV/A x Ib x L divided by 1000 The second one is; Vd = (R1 + R2) x Ib x Multiplier The multiplier is to compensate the difference in conductor temperature at the time of the test...
  8. C

    Adding a second consumer unit in a extension

    Hi only recently qualified and gone out on my own just landed my first big job wiring a new extension. I recomended to the client that a second cu for the extension might be a good idea as the existing house wiring is all in need of up dating and did not want to get involved with the old cu...
  9. L

    Envirovent fan fault - Help!

    Hello, 3 months ago I installed the Envirovent eco dmev 100HT (humidity & Timer) Bathroom fan for a customer, and have been called back twice since to replace it! has anyone had any similar experiences? any helpful input would be much appreciated
  10. J

    10 second trip

    Tested some out side lights today and it triped after 10 seconds. With all loads disconnected. Don't understand why it would trip after 10 seconds. Had a slight short on the cable of 95k ohms Any ideas
  11. infinity

    Megger broken help!!

    I pulled the black lead out my 1553 today and the whole connection came with it! So basically I don't have a tester, any ideas on who I can send it too to have it repaired at a fair price? Ideally with a quick turnaround!
  12. C

    Suspected interference on sky box rf2 channel 68 output to second tv

    "Hello All", I have a problem with bad interference on the reception of my Home`s TV`s that are connected to Sky Digiboxes in other rooms via satellite quality co-ax cables [Sky Box RF2 output] - this has just started yesterday and the Sky TV is un-watchable on these TV sets. The affected TV`s...
  13. Dan

    Steady second quarter for electrical contracting businesses

    Research from the Electrical Contractors’ Association (ECA) shows that the majority of electrical contracting businesses saw turnover hold in Q2 2014 Read the full news article
  14. E

    Agency work?!

    Due to lack of work at the moment, a mate gave me number for an agency that text him a job local to me never having done agency work…they're text just said bring certs Ppe and hand tools, it's second fixing at a housing estate would they expect me to have sleveing/plugs screws etc?
  15. M

    Second Year End Figures Are In...

    Year One (2012 - 2013) gave a total income from the Norweb Federation of £455 Marry in to this a saving of £80 in gas (based on a reduction in use from 2011-2012) and £90 electricity total income from the system was £625 (12.5% return on investment) Total Generation was 13 KWh over SAP Year...
  16. Y

    Second Year College student

    Hello, So my tutor assigned us to watch this video https://www.youtube.com/watch?v=fCAhrvg7l30 and spot and record errors the tester makes. I've watched this at least 6 times now and i cant seem to find the error. I've used my OSG and a book by trevor linsley and I can't spot the error. Am I...
  17. N

    How to control second pump from Worcester Greenstar boiler?

    I've got a Worcester Greenstar 18i System boiler with integrated pump. The optional DT10RF controller has been installed. The boiler is used only for central heating. I've also got a Wilo pump with three-way blender mixer connected to the underfloor hydronic pipes. The three-way keeps the...
  18. C

    Adding second light to existing switch

    Hi everyone, In my garage there has always been one only ceiling light which isn't really adequate when working on projects in the garage. Therefore I'm looking to add an additional light (well 2 really but we'll call it 1 to simplify things). This first diagram shows the existing wiring...
  19. K

    Second consumer unit for office equipment

    Hi I'm looking into installing a second CU to handle office equipment in a bungalow that is approx. 25m from end to end and I'd like to get my head around a few things before I call in an electrician so I know what I'm on about when talking to him. The current CU is situated at the extreme end...
  20. B

    light switch / light istallation

    Hi been a while since I posted. I sorted my previous lighting issue out in the pantry I have a query on another task. I currently have a one gang light switch in one room and in another area I have run a new cable for yet another light I was wanting to wire this to the existing switch with a...

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