source

  1. S

    Air Source Heat Pump

    Wiring a new extension and the clients are having Air Source Heating in their house, I'm waiting to see what supply is required for it from the supplier (clients are finding out for me, guessing at 32A) but have seen people suggest using a Type C RCBO (they are already having a new board, full...
  2. T

    How do you pair a storage battery/solar and an Air Source Heat Pump?

    Hi, How do you control a storage battery when it is in a house that also has an Air Source Heat Pump? (also solar panels on the roof))
  3. F

    Which power source can I run a cable from to connect a bathroom mirror/light?

    DIY: hi I’m looking for advice on how to connect an led bathroom mirror/light unit to a power source. I have a pull cord light switch and a fan switch in the bathroom and a light switch outside the bathroom that’s connected to a light switch at the foot of the stairs. Basically what I want to...
  4. R

    Power connection of unknown source connected to outdoor light.

    Power connection of unknown source (prob socket spur) connected to outdoor light. Can i disconnect the existing light. Connect up RCD plug and then connect a switch to control a new outdoor light like pic
  5. lothian

    DMM Showing Current without Current Source

    I am attempting to use my DMM to identify a parasitic drain in my car's electrical system using a Chinaseum-brand DMM with an amp clamp. After I set the thing to DC amps and before I clamp it to the target conductor, it displays a range between 0.1A and .22A. This makes t'shooting with this...
  6. E

    Immersion heater element source

    Hi Guys, Can anyone suggest where I can purchase a 4 Kw / 230v immersion element as in photo 1000mm in length. I have not come across one like it, or maybe it is a de-constructed element from a triple element unit. 3 are used for heating water in a Large ST/Steel vat. Any help would be much...
  7. R

    UK Main Earth Cable Source

    When earthing gas and water service pipes do the 10mm earthing cables HAVE to come from the main earthing terminal (first tee) or can they come from a consumer unit that is connected to the main earthing terminal by a 16mm earth cable ? What specifiacally do the relevant regulations say about...
  8. B

    Source for desklamp transformer

    hi, this is my first post. I doing a simple repair of my wife’s favorite 50w halogen (50w, 30w), desklamp. I think the transformer died. it is a 120v to 12v and spits out 50w or 30w current by way of a toggle switch. no current out of the dc end, might as well replace it. Easier said. what...
  9. G

    How to maintain 12volts even the source drops to 9volts

    Dear All, Need your expertise advice. Problem: I have fixed a new music player in car which needs 12volts but the existing or old music player runs in 9volts. When the car is running or ideal the voltage is comings as 12volts But Whenever the car engine is restarted, the voltage drops to 9volts...
  10. R

    Open source thermostat for electric underfloor heating?

    I'm getting started on rehabbing my house and I want to install an electric underfloor heating system that I can eventually control through an open source home automation system. As I understand it, most thermostats are not compatible with electric underfloor heating because for electric...
  11. Vortigern

    Ashley & Rock Supasafe MCB replacement or source anyone know of?

    Just wondered if anyone knows where Ashley & Rock Supasafe MCB 45A might be found, new though instead of ebay.
  12. D

    What is the source of the pulsating/vibration noise in my flat?

    Hello, I live in a house converted into two flats - I'm in the upstairs flat. For several months now I have been hearing a pulsating/vibration sound throughout my entire flat. It often starts after midnight and continues to late morning or early afternoon and sometimes it is loud enough to stop...
  13. B

    I am trying to source a coil which has got very little details on it

    I would like some help in identifying and sourcing a coil. I have never seen one like this and there is very limited markings on it. 17-5509 Y7 is marked on one side and all I can make out from the label is Coil 240v 50hz.
  14. Dartlec

    How to protect existing 16mm T&E feed to CU when converting to sub main at source

    Currently quoting for a job that needs to be done next week and working out how best to proceed, so thoughts welcome. Current situation: -->PME incomer that has just been moved by UKPN within a porch (brick built permanent type) from one wall to another. -->60A main fuse -->Meter -->Large MK...
  15. D

    Wanted I need a MK SENTRY 6330 RCBO 6AMP . Any one got one? Source URL: https://www.electriciansforums.net/forums/for-sale-and-wanted-forum.38/

    I need a MK SENTRY 6330 RCBO 6AMP . Any one got one? Source URL: For Sale and Wanted Forum - https://www.electriciansforums.net/forums/for-sale-and-wanted-forum.38/
  16. J

    For Sale Chauvin Arnoux C.A 6160 Multi Tester

    Chauvin Arnoux C.A 6160 Multi Tester Test and certify the electrical safety of equipment, in compliance with European standards comes with additional software and all cables and testers inc Chauvin Arnoux bag Fully Compliant to all current regulations. see Chauvin Arnoux CA6160 Electrical Safety...
  17. T

    Electrical symbols

    Hi there! I wonder what this electrical symbol means... Thank you in advance!
  18. Z

    Replacement of old honeywell thermostat with mc6 wifi thermostat

    Hi Guys, Hopefully you can help? I just wanted to get some advice on the wiring of the new MC6 WIFI thermostat? I have attached a picture of what I am replacing and the wiring diagram of the new Thermostat. Please also see recorded voltage readings I have taken. Current Honeywell Stat :=...
  19. L

    There is a one circuit (one voltage source), two phases and

    Hello Electricians, This is my first post and I'm glad to be one of this forum member. However, to clarify my question. I've a "Skin Effect Heating System", fed by 1240 V. The circuit is quit simple, Phase U, Neutral in the middle and Phase V. Phase U and Neutral feeding the heating cable#1...
  20. A

    Emergency Stop Switch KJD17B NVR Source URL: https://www.electriciansforums.net/forums/electrical-tools-and-products.14/

    I want to make a power tool extension lead using an Emergency Stop Switch KJD17B NVR. However, this is a momentary switch (not latched) so the supply is not constant. Do I need the switch to operate relays that will feed a constant 240V? What would the wiring diagram be? what relays would I...

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