answer

  1. K

    Fused spurs

    Hi all. Can anyone give me advise on fused spurs? I would like to know if it is ok to wire a FCU adjacent to a ring socket. Then run 2.5 t&e to say 5 double sockts and then add another FCU with a 3 amp fuse to run a 6ft fluresent fitting?Is this classed as a spur off a spur as i am aware that...
  2. D

    Crabtree c50 breakers

    Are these worth selling or just get rid? Saved from a recent mains change
  3. Pete999

    Should know the answer but stumped

    Not asked for help much, but I'm a bit stymied on this problem. I have a 24vAC door entry system which keeps getting hammered by the local thugs. I have fitted a 12 volt DC Mg Lock and tried to integrate the two via a 24vAC coil relay, the problem being relay chatter, and not switching the Mag...
  4. F

    Running conduit, attic

    Hi I am fitting conduit in my attic room ready for when i get it rewired so i can plaster up and have a finished room for the time being. I won't be running any wire. I have 2 x 20mm going up to a 35mm deep knockout where a dimmer switch will be located for a 3-way switch rig. Out of the top...
  5. D

    Best answer in a job interview ever!

    Just left the office in bits, stomach ache from laughing that much! We're taking on another lad due to extra workload (great times) and i've just sat in on an interview. My manager asks the question 'what's the recommended distance between detection in a corridor less than 1m wide' He shrugged...
  6. N

    Answer found please lock.

    Answer found please lock.
  7. L

    2394 question

    Hi I am due to start the city and guilds 2394 course next month. I thought that I would have a look at some past questions to see what to expect. I am having trouble with one of the questions and was wondering if anyone could explain the theory to me. 16) The measured value of loop...
  8. 1

    Shower feed wired in wrong

    I was wondering if anyone can answer this one for me. I'm an electricians mate, I did ask the guy I'm with but he couldn't give me an answer. So after he changed the board and I did the bonding I get to go round testing. Whilst taking the zs of the shower I noticed immediately upon removing...
  9. sparksburnout

    Ring-Ring, answer please!

    Got an odd set up in a Kitchen, which just seems wrong but I can't convince myself why its wrong, other than bad practice. There is a final ring, serving 4 outlets on one side of the kitchen, which is then spurred, using 6mm, to another, small ring with 3 outlets. Previous installer obviously...
  10. A

    Electrical testing - Can anyone answer

    Hi, I have long been perplexed by something regarding testing and would love to hear others thoughts. When we go up against the larger testing companies for quotes on condition reports and the old Periodic it seems they have unfeasably cheap rates per circuit given the number of tests per...
  11. N

    Moving A Socket A Few Feet

    Client wants (indoor, domestic) socket moved a matter of a few feet, assuming cable is not to be buried in wall, would you say for regs compliance socket must be RCD protected? I know the answer is liable to be yes because it's adding a new socket and decommissioning the old, but just wanted to...
  12. ebow72

    CSCS Card RCD Question

    I am due my CSCS card renewal and have the revision disc and this quesiton came up, now I am either loosing my marbles or RCD's have changed their purpose since this disc came out. My answer was A, but they seem to think it's D. One that slipped through the net I reckon.
  13. I

    vectra battery light

    vectra 2.0l diesel 03 plate my brothers vectra the dials kept dropping and battery light flashing on , few weeks later it happened again and stayed on so he called out the RAC And the boy told him it was the alternator so he got one from the scrappys and got it fitted , a week later the same...
  14. R

    British gas etelephone interview

    Hi I have a telephone interview for British gas this Thursday for an electricians job with themselves it has been said I will be asked 6 technical questions from the regs book any ideas on what they will ask if anyone has had this interview would be so grateful for a reply as really want this...
  15. B

    Ring main fault

    Need help A property I recently done an EICR on has a fault on the downstairs ring main. The fault is an open circuit on the r1. To shorten the story I managed to believe the fault is under the floor and may have possible joint boxes. But the client has sold the property and didn't want to...
  16. H

    working in Canada

    Any sparks on here ever worked out in Canada?
  17. Majid Khan

    Insulation resistance testing

    Hi guys, Could anyone help me Please with the following questions? I have an assignment to do which has a question that states, Insulation resistance testing has been carried out on the installation and the following result obtained: Live to Live = 195 M ohms Live to earth = 0.75 M ohms...
  18. M

    Parallel cables

    Help with calculation please. If separate cable measure : 10Ω, 5Ω, 5Ω, 4Ω and 2Ω what would it be in parallel? I get this so far 1 1 1 1 1 1 = What happens next? 10 + 5 + 5 + 5 + 4 + 2
  19. P

    impulse withstand voltage

    Can anyone tell me what the minimum impulse withstand voltage is for a 500AMP BS88 fuse. I can only find up to 400A. Please only reply with the answer and not any rhetorical questions please. This is concerning surge protection devices. Thanks.
  20. R

    what are your tricks of the trade

    Hi guys Just a bored sparks with very little on this evening. Might be a boring or repeated thread if so I apologise in advance. If anyone was to ask you what is your best trick of the trade what would it be? Simple, complicated, down right odd, anything that gets you out of a hole or just a...

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