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  1. J

    Correct cabling for flat consumer unit supplies

    I'm after some advice please guys.. I've got a job where the builder is converting a shop and flat above into 3 separate flats. There is currently just a 100a single phase supply into the shop on the ground floor. I have requested a new three phase supply to be installed, which will be located...
  2. N

    Test Rig IR Test Correct Proceedure

    Hi Guys. So I have a test coming up and wanted to get a bit of advise regarding the best way to test so I don't fail. On the rig there is a shower unit connected to a Pull cord isolator with neon. So to test it I guess I am going to have to 1. open the shower and remove the live 2. turn on...
  3. A

    Which Amperage is correct?

    I need to work out the amperage concerning a light. It is an IKEA single LED spot clip on light. The wire from the light plugs into a transformer plug. The details on the plug are as follows. PRI: 100-240V 50/60Hz 0.05A SEC: 7V 0.43A 3W I fully understand the equation and calculation...
  4. D

    Correct transformer for 12V waste water Pump.

    I recently bought a 12V Whale Gulper 220 waste water pump to remove water from a shower on the groundfloor of my house in Germany (no way to gravity empty the bath/shower.) I am after advice on if I have the correct 240V AC to 12V DC transformer. The pump is a diapragm pump and the instructions...
  5. B

    what is the correct sequence for locating faults?

    i'm a bit confused with this question, it doesn't state what kind of fault so the question is open to a broad spectrum, i'm aware the first point is speak to relevant people regarding faults but after that it could go so many ways. am i missing something here? i'm reading through the nvq3...
  6. D

    Circuit that displays correct P-N-E on a small portable distro board

    Hi All, I am designing a few small single phase power distribution boards for stage use. A 63A CeeForm inlet will supply multiple 16A CeeForm outlets Between the I/O will be a dual pole breaker > a RCD > then individual MCB's for the 16A outlets. There will also be a panel meter displaying...
  7. Edtwozeronine

    Correct symbols for physics notation

    Our tutor wants us to use what looks like a Beta symbol for Tesla's, but in our official notes from city and guilds they want us to use a capital B. Another thing that I'm having trouble with is the proportional to symbol. What does it mean mathematically speaking? Is there a button for...
  8. Doomed

    being thick

    16mm 3 core swa single phase clipped direct outside (shaded) on a 63 B type 60898 Do I really mean that the maximum length is 68m, or am I being really thick tonight? Trying to look at a way of providing more power to an outlet pillar that happens to be the furthest point from the supply cabinet...
  9. 247 handyman

    How to check if a fuse feeds a ring final or 2 radial circuit

    Hi guys. I need to check if I have a ring or 2 radial running from a fuse. I have an old wylex fuse box in which someone has put a blue 15amp fuse in a red 30amp carrier. If I disconnect the 2 cables and check for continuity of the 2 lines then the 2 neutrals will this tell me if I have a ring...
  10. A

    installing sparky insists installation is safe and correct, 3 others under rate the cable

    Hi all, I'm having a terrible time after having building work done. The electric cable to my new hob was quoted and agreed 10mm, it's a neff 10100w induction, 43 amps. The electrics were subbed by the builder. The junior electrician fitted a 6mm. Another electrician from the firm came to...
  11. H

    Phase Rotation/Sequence

    So I'm using a bit of this bank holiday to do some college work. I'm at a question as follows: Phase sequence is to be confirmed for the DBs and equipment during initial verification. State the locations at which phase sequence is to be confirmed for the circuits supplied from DB2. I've had a...
  12. X

    Am2 correct installation of data cable

    Hi guys Ive never posted in the forum I'm a bit of a lurker and always been able to find what i need in a pinch thanks to alot of you guys out there. I have tried my best searching and can't seem to find any info on the data cable installation. Now i recently took my am2 exam and passed...
  13. P

    JIB Electrotechnical Certification Scheme (ECS) JIB - Correct application of travel time and overtime

    Hi there Guys Just need some advice: Example: Company office to site is a 4hr drive. we stay over during the week and return on Friday with another 4hr drive. Company provides vehicle and fuel. 170 miles. 1.>Should we get paid our normal hourly rate plus the ammount indicated in the Travel...
  14. L

    Correct Electrical Installation Instructions and Regulations

    Hi All, I am in a dispute with David Wilson Homes (aka Barratt's) and David Wilson Homes who have built my house to a incredibly low standard. We are in dispute over the electrical cabling as none of the cabling is clipped on vertical runs, cable is penetrating the roof insulation and cutting...
  15. B

    110v pat testing adaptor wiring

    What is the correct way to wire up a 110v pat testing adaptor
  16. HappyHippyDad

    Correct way to crimp a 25mm copper tube terminal with an indent crimp?

    I am about to connect up my 12V battery to my inverter (at last!) and I need to crimp some copper tube terminals on to the end of the cable. I have purchased an indent crimper for these tube terminals but I notice it is different to my crimping tool for insulated crimps. The stem of tube...
  17. A

    10kw Rangemaster Cooker Installation

    Hi, I have been asked to fit a ringmaster cooker and wanted to confirm everything I plan to do is correct. I'm sure it is would just like to double check on here if anyone doesn't mind answering. The rangemaster cooker draws around 10kw max, which works out at 43A. The manual asks for a 45A...
  18. SolarCity

    Additional panels and inverter to existing system

    I've got a customer interesting in extending his 2.25kWp system, adding 1.75kWp more to bring it up to 4kWp. My understanding is that I can install a separate inverter and meter and that this addition will be paid at the current FIT rate while the old meter gets paid at the old rate. Do I have...
  19. N

    megger 1710 Guidance note Mk2

    I wasted peoples time asking questions about probs I was having with my megger 1710. By way of atoning for this I'm sharing the 1710 guidance note Mk2 I got from megger today. The problem (for me anyway) is all the 1700 series testers share the same instructions, this one is specific. hope it...
  20. G

    "Neutral" as a correct term

    Is neutral the correct word to use on a 2 wire TN-C-S supply coming from a single 11kv-240 volt single phase 2 terminal secondary transformer? Or would it technically be called the earthed conductor instead?

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