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different

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  1. PhilCumbria

    Off peak and standard

    Hi I have just changed both an off-peak CU and a normal CU. I have tested both. Can i put them both on the same cert or do they need to be on two different EIC's ??
  2. R

    What are CEF like for prices?

    What are CEF like for prices, my work has an account for them, but the account is held at a different branch to the one we use. Just want to make sure we are not paying silly prices as they can't give us a price for parts unless they phone the branch we have the account with apparently. Is it...
  3. M

    DALI Control systems - Do i need different drivers?

    I have a project in a hotel that has a DALI control system We are supplying LED downlights that are dimmable on the DALI protocol but they also want other lighting ground lights and wall lights that do not need to be dimmed. Question is will they still work on the standard LED drivers or do...
  4. Sintra

    A Guide To Different Fire Alarms And Smoke Detection Systems

    Sintra submitted a new resource: Fire Alarms - Fire Alarms Read more about this resource...
  5. R

    Why Did Fuse Blow.

    Hi guys, One of my guys drilled through a ring main cable today on the 1st floor of a company, knocking out the MCB, RCD feeding the MCB and the BS88-2 fuse in the basement. Why did it blow the BS88 fuse? Cheers
  6. L

    Working Out Spotlight Spacings

    Had a bit of a discussion today, so thought I'd ask on here. When working out spacings for spotlights what setup does everyone use? I know different lights have different outputs and require different spacings, I was just wondering what people use as a rule of thumb. Cheers, Jim
  7. P

    5 different lamps no longer work once bulbs blow....

    Hello, i don't really know if this forum is where I am meant to come to ask questions but I'm hoping someone will help me anyway :) over the past 6 months or so I have had different lamps that stop working completely once the bulb has blown in it. The 1st lamps bulb blew in the living room and...
  8. S

    Spanish Earth Road installation

    Hi, Quick question, does anyone know if there is a different spec to the U.K. for earth rods? I'm told in Spain they are longer but not sure if that is correct? Also are there any regs in Spain relating to the positioning of the rods etc (i.e. distance fro property)? Any advice greatly...
  9. S

    Intermittent beep on heat alarm

    Hi everyone. This is my first time on here so please be kind :hurray: I have a problem with a new house I wired last summer. The first 6 months all was fine, then all of a sudden the heat alarm in the kitchen started to beep intermittently. I have replaced the alarm twice and both smoke heads...
  10. W

    Switch Polarity Question.

    During fault finding I came across a switch wire and a perm wire connected the wrong way would this still be known as reversed polarity ? As the connections are reversed?
  11. A

    Lighting with no rcd

    HI guys, just wondering if I can pick some brains. Going to install a loft light and switch off a lighting circuit and the circuit don't have rcd protection, as cables are on surface I don't believe Rcd is needed. What I am doubting myself a little with is my work mate says I need to install...
  12. J

    size different in down lights

    evening sourced dl's from cef for a job this weekend (1st time ive used cef- opened an account) 8x fire rated fixed +LED 5w lamps non dim 2 fire rated tilt + LED 5w lamps non dim 8x fire rated + ip65 + LED 5w lamps non dim is it the norm that the tilted fittings usually does have a larger...
  13. Worcester

    New MCS Consulation > 50kW

    Just received this: I would suggest we all reply to keep it the same. In my opinion > 50kW requires different expertise and would normally be an M&E type contract, don't let these guys scope creep into commercial areas, the whole design and contract process is very different above 50kW. Same...
  14. A

    Sockets tripping different rccb?

    Quick question which I will probably kick my self when I look into the d/b in the morning. We currently have a house being restored(finishing touches) had western power out this morning to change over to PME, I came home from work popped in the house to catch the first half of the rugby and...
  15. H

    different sizes and how to record

    If testing a property which has a ring with 2.5mm/1mm t&e (old cable) and 2.5mm single core cables in conduit (addition), how would you record this on the EICR? As for the 1mm earth on the ring circuit, would this be a code 3?
  16. E

    GU10 LED flicker

    Looking for advice/pointers. I have installed client supplied GU10 LEDs in a warehouse. Client reporting flicker from LEDs. Installation is 3 phase, lights in question are on 2 different phases. Have heard and read about EMI, any help appreciated. My apologies if this issue has already been...
  17. D

    Different routes to becoming an electrician?!

    I'm trying to find a viable way in to becoming an electrician after a career change. I'm 41 years old. I've taken a couple of exams such as 17th edition and inspect / test 2192, but I've been trying to join an apprenticeship but I'm way too old. I don't particularly want do another course. For...
  18. M

    Rated people pricing different trades

    Rated people £500 job costs £4.30 +vat to quote in general maintenance (not electrical) section . £500 job costs £14.70 +vat to quote in lighting and power section. Seems a tad unfair lol?
  19. J

    Different cables having different conductor areas but same current rating?

    Why would two cables have the same current rating, but different conductor surface area? I'm looking at double insulated thin wall 2-core 25A multistrand cable. In one case the conductor area is 2mm^2, in the other it's 8.4mm^2. Is this a mistake by a supplier? Or maybe one cable has better...
  20. R

    Is this a joke of a job advert?

    Every now and then I like to look around at what jobs and rates are on offer and I found this today. Look at the rates...

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