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  1. D

    Whats causing a voltage increase on a water pump?

    Hello. I'm doing a favour for a farm friend, they have a water pump down a bore hole thats been slowing down recently. The single phase 0.55KW motor is situated 40m down the well and the controls are at the distribution boards. The voltage going to the single phase motor is reading L-E 247 &...
  2. D

    Max Zs /ADS / shared CPC & N

    Hey Everyone. Whats your thoughts on using a 3core & earth to run x 2 final circuits? I have x1 three core & earth feeding contactors for emergency lighting. L1- fed from a 6A mcb is feeding a switched pole on a NO contactor, L2- fed from a different 6A mcb also feeding a pole on a NO...
  3. D

    Emergency Lighting contactor switch over

    Max Zs would be breached. They are large circuits
  4. D

    230/250 V Contactors Buzzing/Hot

    The 24/7 circuit is for Em lighting. If I had them on a N/C contactor. How would you suggest switching it from the local lighting circuit when it fails. Ems & lights are on different circuits on the same DB
  6. D

    230/250 V Contactors Buzzing/Hot

    Lots of headroom
  8. D

    230/250 V Contactors Buzzing/Hot

    Hi. I've got some lighting & cooker contactors buzzing & overheating.. There are a few old ones in situ with visual thermal damage. coil rated at 250V I have new ones that are quiet but still warm to touch the sides. coil rated at 230V I've read that the 230/250 AC coil contactors dont cope...
  9. D

    Emergency Lighting contactor switch over

    Hi Everyone. Working on a self contained emergency lighting system. There are 70 emergency lights over 3 floors. The emergencies are wired on a separate circuit from the local lights but fed from the same DB. I require the supply for the self contained (batt back up) lights to disconnect...
  10. D

    Wet Under Floor Heating Modification

    Hi Guys. I have a flat with a 9KW electric boiler, dedicated for the wet underfloor heating system. The tenants have reported that all the digital room stats were not working, as when they increased the temperature to get more heat, nothing was happening. Within 15 minutes in the property I...
  12. D

    Mains distribution upgrade work, 3 phase,old isolators, steel conduit & trunking providing CPC

    Hello everyone I'm picking up some remedial works from an EICR fail in a commercial property. Its a 3 phase supply with old steel conduits , trunking & coupled metal equipment, that provides the earth to the various locations. At present the earthing is insufficient, every earth in the...
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    Scotland, Old style lighting JB, Will it pass an EICR, Photo attached

    Yeah, I know, I really want to rewire all the lights, but budgets tight
  15. D

    Scotland, Old style lighting JB, Will it pass an EICR, Photo attached

    I stripped the cable out, as I am fitting Aico 10yr lithium batt detectors, so will do my feed in 1.5 & the rest of the circuit in 3 core
  16. D

    Scotland, Old style lighting JB, Will it pass an EICR, Photo attached

    It is certainly rough, the earth sleeving will be upgraded, core id's will be rectified, will fix a the connectors, the lid is off at the moment. so yeah with all those issues sorted I think its a pass
  18. D

    Scotland, Old style lighting JB, Will it pass an EICR, Photo attached

    Yes, noticed this, its a feed for the smoke detector circuit, I stripped that out already
  19. D

    Scotland, Old style lighting JB, Will it pass an EICR, Photo attached

    Good point
  20. D

    Scotland, Old style lighting JB, Will it pass an EICR, Photo attached

    I meant the feeds to the stitches in series
  22. D

    Scotland, Old style lighting JB, Will it pass an EICR, Photo attached

    Yes, I will bond the box with a 6mm earth cable back to the board, & fit a rail with fixed terminals, my question is, does the wiring method breach 17th edition regs, thanks
  24. D

    Scotland, Old style lighting JB, Will it pass an EICR, Photo attached

    Hi I have taken on a kitchen rewire, with a utility & bathroom addition too, In the loft there is an old style junction box for the lighting circuit, I've seen this method before in many old council houses, Its fed from a 10A mcb with 1.5mm t&e & it is a central point for lots of loop fed...
  25. 20171213_142652.jpg

    20171213_142652.jpg

    • Delectrician
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    • Category: Professional Electrician
  26. D

    Immersion tank, element fault, hot lives, heating 13A fuse

    Thanks This makes sense!
  27. D

    Immersion tank, element fault, hot lives, heating 13A fuse

    This is the 3rd one in a row with the same fault then, as EICR company changed it out for the same reasoning (ie it was a faulty switch), then it began to heat again, so I changed it out after testing the elements & RCD function & began to pull heat to that fuse again, Can it be possible that 3...
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