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  1. S

    Sleeving 3 phase cable to single phase cable

    Could someone help me understand what is cable sleeving? Can we sleeve a 3 phase cable to single phase cable? Is this as per any regs? BS 7671? Could you send me some pictures of the same if you have..
  2. P

    Single ph to 3 ph Ramp conversion.

    I am about to link an inverter to a ramp I bought from a 240/230v supply. In the control box which was wired for 415v , the transformer within has 400v 24v on a label can this be operated at a lower voltage to produce the same 24v system. I will post a pic if I can.
  3. B

    All three neutral wires needed for a smart single gang light switch?

    Hi all, I'm wiring one of those smart switches which is a single gang and I have three live wires (x2 com) (x1 L1) and three neutral wires that are currently in a block. The original switch just use live (com and L1). I've wired up the new switch with the live wires but I am trying to attach...
  4. C

    Thermal overload 3 phase to single phase pump

    Boiler panel controlling a 3 phase grundfos pump. Pump was tripping thermal overload... Pump replaced for a single phase grundfos by engineer etc... I was asked to convert the control circuit to single phase which I did. But still tripping on the thermal overload. Set it slightly higher for...
  5. B

    Domestic Wiring in of a Bosch single oven rate at 2,990w

    Good afternoon all I am a new to this forum and just wanted to say Hi. I am not a electrician but a retired builder of some 6 years and still doing the odd job for friends and family . I require some help with an issue I've come across in my daughters kitchen. I'm replacing her double oven...
  6. C

    3 phase supply to single phases only 2 phases used

    I went to some holiday cottages today, the main supply in was 3 phase however only 2 of the phases were used. The L1, L2 and Neutral cables were wired into a three phase meter, then coming out was L1 and Neutral, L2 and Neutral to create two single phase supplies which were divided off using...
  7. S

    Domestic How to connect a single zone manifold into a multi-manifold system

    Hi Guys, I have a multi-manifold underfloor heating system. The multi-zone manifolds all operate nicely turning things on and off as appropriate according to the main timer and the zone thermostats. The single zone doesn't listen to the thermostat and only obeys the central timer (ie on or...
  8. S

    Domestic Single Phase Motor Reversing Direction

    Good evening you sparky lot I'm after some wiring advice on an old single phase motor for use on a lathe. Please see the attached pics. The tails have been removed for clarity. Live was connected to terminal B, neutral to AZ. Is it possible to reverse the direction of this type of motor...
  9. J

    Need some advice ! can I spur off a kitchen single socket that is coming off a fuse spur ?

    A friend has added a socket off the back of a single socket that is coming off a fuse spur in the kitchen will this be ok ? Thanks for the help
  10. Colin McLachlan

    Domestic New single light circuit tripping RCCB on socket circuit.

    I'm not an electrician, but have been successfully doing DIY electrical work for 50 years, including complete house rewiring before the days of RCCBs. I've just moved to a house built in 2000, and one cupboard (ironically the one with the consumer unit in it) does not have a light. I installed...
  11. S

    Advice on Wiring 2 Single Ovens

    Hi guys, I'm about to fit a new kitchen and I have ordered two single ovens which are Bosch. They are rated at 2.99KW. They are both going in a standard oven housing unit, one above the other. They need to be hard wired, the cable comes with the oven/s. Both are rated 13A. At present the...
  12. SJD

    Single to three phase converter

    One of my customers has a single phase to three phase converter, to power a 3-phase pump. The converter is a rotary type, quite noisy, and recently has been prone to breaking down (three times so far this year). So they are looking for a static or "digital" converter replacement, 230V to 400V...
  13. M

    Electric roller shutters - 2 new switches don’t work the single shutters from 2 switches.

    In my house in Spain, I have just replaced 2 switches that controlled a single motorised shutter (the pair of switches in photos - NB, shutters are the middle of the cluster, other 2 being, 2-pin socket and a light switch) on a bed headboard that controlled a motorised window shutter. The...
  14. A

    Noob Question on 63amp single phase plug

    Hi All, I'm not an electrican, i work in the events industry and we have quite a bit of plug and play distribution. I have just recieved a 63amp single phase (blue C form) plug on the end of a cable and was surprised to see it had the usual three pins but now a forth smaller pin shortert han...
  15. D

    Trainee Single Pole Fused Spur From Ring Main

    I have two cables for wall lamps (1mm T+E) going to one of the socket in the back of the TV. These lamps will be controlled with smart bulbs with a little remote control or/and an app on the phone, no need of wall switch. I'm considering to use the 47mm double metal box to host a modular single...
  16. Dray

    single to 3 phase inverter

    Hi all. I need some direction to supplying power to an electric boiler that requires 3 phase. boiler output is 36kw. I have had a bit of a search on tinterweb and only motor supplies seem to be coming up. I'm assuming that the boiler has Three heaters and each needs it's own phase. If any of you...
  17. N

    New single floor office advice please

    Customer will be hiring a qualified sparks, but can anyone give me guidance as to how a single floor open plan office should be wired in terms of circuits? There will be 3 islands of 8 desks and 3 of 3 desks, each desk served by an under-desk 4/5-way with a Weiland-to-13a lead. 13a sockets will...
  18. D

    Domestic Single to double plug socket

    Hi, am i able to swop this single flush socket to a double flush socket without needing a converter? Thanks
  19. S

    Is this twisted cloth flex double or single insulated?

    Hi Folks Just bought some of this Bronze Twisted Fabric Flex - Braided Cloth Cable Lighting Wire - https://www.industville.co.uk/products/light-brown-twisted-fabric-flex-braided-cloth-cable-lighting-wire?variant=1184660808&gclid=EAIaIQobChMI14zguOzl3wIVRbDtCh2C9QQCEAkYASABEgJA0fD_BwE for a job...
  20. F

    Fixing a TWO Hub HIVE system (in a single house)

    Over the course of getting the full house replumbed, a combination of our sparky and plumber have fitted a hive installation. The installation consists of two hubs, one which controls hot water and downstairs heating, the second controls the upstairs heating (over two floors). Each hub has its...
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