operating

operating

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  1. L

    Di-log 9118 not operating correctly

    Hi, I have a di- log9118 and it wont a continuity reading on the earth pin. I can get continuity from the other 2 pins. I have taken it apart and all the internals seem to be fine, are firmware issues common on this model ? Cheers.
  2. V

    RCDs not operating as expected

    Hi Ive looked around and i cant see this particular scenario being discussed. I think i may have been a numpty, but bear with me. I have just completed an electrical install into an outbuilding. Its distance meant i went with installing its own earth rod, thus not exporting the pme from the...
  3. g3nt73m4n

    Using disconnect switch over its operating current Ie

    Hello, What happens if we use disconnect switch over its operating curent Ie? For ex. If our circuit is motor circuit and current range is 140A. We need to use 160A. But we used a disconnect switch with operating current Ie as 125A not 160A. Making and breaking capacity of a disconnect...
  4. I

    Goods Lift Brake Solenoid Not Operating Correctly

    Hi all, Just looking for some advice, I've been asked to take a look at a brake system on a goods lift. The lift is very old and unreliable with many parts now discontinued. Its a cable and pulley type OTIS lift. The shaft between the motor and gear box has a simple solenoid operated braking...
  5. C

    Conductor Operating Temperature H07RN-F

    Hi All, I'm trying to calculate CCC & VD for H07RN-F Single core cable. Used for event powerlock runs. TPN AC - Ref Method C - Flat & Touching Table 4E1A/B covers Single Core 90*C thermosetting insulated cables, which I have used correction factors to convert these values to flexible cable but...
  6. B

    Mitsubishi MCCB F-type and V-Type Operating Handles

    Does anyone know how to/if you can spoof the operating handles on Mitsubishi panels with the circuit breaker still live? Thanks
  7. codger

    RCD operating times

    Hello. Just a quick query please lads. Operating times for RCDs, (non-delay) on 100% of rated residual tripping current. Is the maximum operating time 300 or 200ms? Guidance Note 3 states 300ms, but various other publications say 200ms. I was under the impression it was 200ms. Just trying to...
  8. G

    Two Controllers operating one pump

    Hi All, New here and a bit of an ask but I'm trying to control a CH pump using two Delta Dor wireless controllers. The attached wiring diagrams show how we wire a single zone, single Delta Dor, single zone valve and how I propose using two Delta Dor controllers from two separate zones/zone...
  9. S

    Operating Voltages?

    Hi there My enquiry is to do with lamp flex and voltage parameters. I want to buy flex from China, vintage look, multi coloured casing etc, and it states.. 1..Certified SAA, VDE, UL 2..operating voltage 100-300v If I am going to sell table lamp products in the UK, where I live, will I need...
  10. Midwest

    ambient operating temperature of consumer unit

    I will be installing an A3 consumer unit for a customer in a hallway, and they are thinking of relocating a radiator directly below it. Assuming the maximum temperature of the rad is never likely to exceed 30'c, an MK technical tell me the operating temperature of their mcb/rcd is -5 - 40'c, I...
  11. R

    Need some advice with christmas lighting operating

    Well guys, Looking for some advice in doing my xmas light. Just going running an LED rope around the house but was asking really about what to use. I want them on a time clock and ill be using all IP rating equipment. I have a feed from a socket in the house and just wondering what i can do...
  12. H

    m&e operating software

    im developing a customercare dept for the company i work for, and im looking for some software to log jobs, send engineers, get signatures from customers on phones etc, bt i want one that i can bolt on to a bigger operating system once i develop my dept, to include estimating and ordering, does...
  13. M

    1 way 2 gang switch operating two lights on dimmer, whole flat lighting loop.

    I have taken out ceiling fans and replaced with chandelier lights wired the same but switch will not work, the l (red) is jumped from L1-L1, and black wire I'm guessing is common, the live goes to first light where I have the three Red cables hooked together, the black from switch goes to brown...
  14. R

    pir's operating two circuits

    hi guys hope all are well, I am looking to wire 17 lights over 60m either side down a driveway from 3 pir's but only have 2.5mm and 1.5mm singles. im wondering how I can wire both sides of lights as they are two circuits but both operating off the same pir's? thank you
  15. N

    Medical Locations Group 2 Operating Theatre

    Hi, looking for some advice on 13amp socket outlets in medical location group 2 supplied from IT/IPS transformers. Completing 5 year EICR on hospital, and at the moment we are not carrying out any tests on above circuits only entering the circuit details and note in operational limitations...
  16. M

    Scammer operating in Surrey

    It has been reported to me today that a man wearing G4S uniform claiming to be from the National Grid is going door to door testing gas and electric. The street concerned is Dunally Park, Shepperton, Surrey. In short, this man has cold-called and entered into a clients property. He waved a...
  17. J

    operating fans through dimmers

    recently finished 1st fixing of large house, wired bathrooms usual way, switch outside the door and fan isolator up high, fan switched to come on with light, usual way, now they tell me they want dimmers on bathroom lights, if I put dimmer in now it will be operating fan also, unless of course...
  18. V

    Remote operating

    Hi all Hase anyone installed an electric heating system that can be turned on remotely, ie by telephone? I have been asked by a client if this can be done for their holiday home here in France and I have not come across a system like that here. Any help gratefully appreciated. Thanks in...
  19. B

    Operating load contactor with relay on SMA TL models?

    How on earth do I configure the TL inverters to utilise the relay inside the housing on the SMA TL (most TL models). I want to use a contactor in the CU to dump the power to a resistive load of a water heating element or a room heater? I believe this can be done via Sunny Explorer and Bluetooth...
  20. K

    4 'unknown' switches operating hallway lights not working

    Hi everyone I've come across some switches that I've never seen before (see pictures), there are 4 operating hallway downlights. The customer is currently turning hallway lights on and off using the mcb because the switches will not turn off the lights (they are permanently on). Not really...

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