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  1. Andy-1960

    Calculation of capacitor value for conversion from star to delta

    A single phase to three phase inverter may be a better option
  2. Andy-1960

    Hive Install - Worcester 24I RSF

    Excerpt from manual
  3. B727A08F-5078-4653-9B12-BCE44A60FD73.jpeg

    B727A08F-5078-4653-9B12-BCE44A60FD73.jpeg

    • Andy-1960
    • Media item
    • Comments: 0
    • Category: Professional Electrician
  4. Andy-1960

    Looks like the Chinese are back.........

    Good idea, I’d be up for that as i have actually seen it happening some nights as I did this morning and could do nothing to stop it!
  5. Andy-1960

    Looks like the Chinese are back.........

    Another option may be for the mods to authorise new members like on other forums.
  6. Andy-1960

    Electric cooker crackling

    You may pick up continuity between L & N if there is a time clock on the oven as this would be permenantly connected.
  7. Andy-1960

    A story in four words at a time...

    Then the traffic warden
  8. Andy-1960

    HIVE - UT1 programmer and ES1 Thermostat wiring issues

    I am afraid what you have here is a bodge! Someone has run out of cores and used the earth (g/y) as a switch wire. Earths appear to have been dispensed with. Although I could tell you which wires to connect together, I suggest you get a local spark to pop in and check the install to ensure it’s...
  9. Andy-1960

    Schoolboy Error 2kw electric fire

    If you look at the attached curves, you will see that a 5A fuse will run at 8A for a considerable time before blowing, but the fuse will be getting very hot which is probably what caused the insulation to melt in the plug top. People think that if you stick a fuse in it will blow as soon as it...
  10. 1ECE3DE4-4912-440E-BA75-05347EFC78D1.jpeg

    1ECE3DE4-4912-440E-BA75-05347EFC78D1.jpeg

    • Andy-1960
    • Media item
    • Comments: 0
    • Category: Professional Electrician
  11. Andy-1960

    110DC closing coil for 415LV CB

    I know its a bit far from Oman, but there is a company called Transformotor in Dudley, West Midlands that has done this for me.
  12. Andy-1960

    Anyone Work on live D.B

    I had this conversation with an HSE inspector a number of years ago. Basically, if you work live and something goes wrong and an injury to you or someone else happens as a result, you had better have a good reason for working live. The reason for working live has to outweigh the risk of not...
  13. Andy-1960

    Usual cooker question

    What size is the MCB feeding the cooker? As it’s temporary, are you planning on using both ovens at the same time?
  14. Andy-1960

    Professional Advice needed Re. Condemned Wiring

    How old is the property?
  15. Andy-1960

    Uk to US conversion for hot tub

    Have you asked the manufacturer if the change in supply frequency is ok too?
  16. Andy-1960

    Motors and Star Delta Question

    Also need to consider that the motor should be IE3 compliant, doubt the Chinese have heard of that either! One other thing to note is the fault level from the converter may be insufficient to operate over current devices in the prescribed time in the event of an over current fault. Maybe worth...
  17. Andy-1960

    Galaxy Alarm Tamper Keypad

    I think you need to get one of the regular users of the system to input their code, set the system, then get them to unset the system. It should then be out of engineer mode.
  18. Andy-1960

    Domestic favour, tripping RCD and redundant circuits

    Yes
  19. Andy-1960

    Adding a relay to Thermostat

    Also noticed you have not connected the CPC instead choosing to cut it back, not a good idea!
  20. Andy-1960

    Help needed in wiring a wifi light switch - urgent!

    It’s impossible to say from your description on how this has been wired or what the mystery wiring is that are passing through. I would suggest you get a spark to look at this and you never know he may be able to pull a neutral down to the switch in the bedroom too!
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