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  1. P

    Difference between 250v/500v insulation resistance and 15ma/200ma continuity test?

    Hi I hope everyone is all well. I’ve built a rig at home on some ply to do some testing and fault finding to prepare for my exam and just learn in general… I put 100v then 250v through L & N through a B22 led lamp and also the spur neon to see what reading I would get. They were both the same...
    • ppelec100
    • Thread
    • between continuity difference insulation insulation resistance resistance test
    • Replies: 5
    • Forum: UK Electrical Forum
  2. D

    Switching between garden feeds

    Hi experts, I hope you can help me, I have a single FCU in my conservatory, which feeds a connection box on the outside wall. I now want to install in my garden, a single bulb lamp post thing (given by a dear friend as a gift), and also a waterfall pump. So my question is, can I switch between...
  3. M

    Distance between meter and cut out

    My main cut out and meter is in a small cupboard above a kitchen sink. The CU is in the utility room next door. The tails are approx 2 meters long. The DNO has said there is not enough room for a smart meter in the small cupboard. Is it allowable to fit the smart meter next to the CU in the...
  4. woodster92

    Mechanical Protection for Tails between Meter Cupboards on outside wall

    Hello, what products are people using for suitable mechanical protection in compliance with regs for the following job? Existing Meter Cupboard recessed into outside wall adjacent to driveway on a domestic property with incoming Mains Supply, Meter and Tails. Requirement to add an additional...
  5. bugraekuklu

    Switching between phases depending on live health

    Hello, I'm pretty new to the forum. Hopefully, this is the best place to post it somehow. Currently, I have a setup of a distribution box, which is able to supply 63A three-phase load to an EV charger, running two-phase load of 16A. It demands 3.7kW from each phase, making it a 7.4kW charger...
  6. K

    IEC 61439-1 - Relationship between prospective fault current and diameter of copper wire

    Hi, I am currently reading through the standard IEC 61439-1 - Low-voltage swtichgear and controlgear assemblies - Part 1: General rules, and on Table 14 it is stated the "Relationship between prospective fault current and diameter of copper wire" (see picture attached). I don't understand why...
  7. B

    UK Odd Electrical Fault in bathroom between taps and tiled wall

    Hi there, I’m a new member to the forum and felt like I could do with some additional insight into a fault I came across on a call-out at the weekend. I was called to attend a domestic property where the tenant had mentioned getting a shock when touching a tiled wall and the bath taps. On...
  8. J

    Extending/Moving Ceiling Rose/Pendant between floor joists ?

    Hi All. I need to extend the cables for a 3 plate ceiling rose/pendant on ground floor ceiling by 450mm. Can I fix the ceiling rose/pendant to the ceiling joist and then run 3 core 0.75mm flex through the plasterboard ceiling to the light fitting. Or, do I have to extend all three 1.5mm T&E...
  9. M

    Long extension between meter and consumer unit

    I am planning to go semi off grid with a victron and battery system. The system will be installed in an out building about 20 meters away from where my consumer unit and meter currently is. I need to run the grid power from my meter to the out building to the victron inverter, but then also...
  10. J

    How to best run cables between lower soffit and higher soffit?

    Hi folks, I have been out to quote for a soffit lighting job. I have done jobs like this many times but usually only installing lights in the top soffit and has always been easy enough to get cables into the loft. This customer would also like lights in her lower soffit. I have a few ideas on...
  11. P

    How to connect a comms cable between a giv energy battery and a Growatt inverter.

    Good Evening, Can anyone shed some light on how to connect the comms cable between a giv energy battery and a Growatt inverter.I can’t seem to find it anywhere in the manuals. Thanks Pete
  12. hcanning2012

    Split Underground 12/2 UF cable between 2 sheds

    Hi, I'm running a 70ft underground UF cable in 3/4 inch PVC conduit to 2 sheds. The sheds are 3ft from each other. I'm just a DIYer enthusiast so learning. What's the best way to service both sheds with the 1 UF cable. Is there a T connection I can use or what's practical? I just need a...
  13. B

    Overhead cables between buildings on domestic property

    Hi all. I've recently bought a bungalow. It currently has a armoured cable between the house and garage which spans less than 1 meter. The height of the cable is 2.3m and directly under this is the side gate to access the back of the property. It's old wiring so will be replaced, but I've had...
  14. V

    EICR code for lack of discrimination between RCD's

    Hi all Called to do an EICR on a property 4 studio flats / bedsits within a single house. The t&e sub main to each flat runs within the fabric of the building and has a 30mA RCD at its distribution point...assuming this was an add on to the original installation. Each flat has a RCD main...
  15. M

    Ground wire(s) in multiple conduits between sub panel and j-box

    At long last my wife is getting her new kitchen and the contractor will be running 10 or so new circuits from a new sub panel. The sub panel, unfortunately, is on an outside wall around 35 feet from the kitchen. The wiring will have to go down the wall, into the crawlspace under the house, and...
  16. RF Solutions Ltd

    Install new heating systems? Ever had a missing cable run between a boiler and a pump?

    Do you install new heating systems? Ever had a missing cable run between a boiler and a pump? Using MAINSLINK - the pump overrun solution - you can avoid expensive cable runs when cables are missing between a boiler and a pump. When the MAINSLINK by the boiler has 230Vac live input, this...
  17. arifpatelpduk

    UK Arif Patel Preston Dubai| Is wattage rating of a VFD split between 3 phases?

    Hello friends Myself Arif Patel and I am an Electrical engineer from Dubai. preston, UK.. I just wanted to Know, I've been asked to complete an electrical load list with the watts required for each phase of a 3Ph, 400A, 11kW VFD. The VFD is feeding two motors with a total load of 21A. How many...
  18. S

    Why did test lamps show 0V between live side and dead side?

    I removed a fuse and before reinserting did the following tests using test lamps. Live side - Neutral = 230V, Dead side - Neutral = 0V, Live side - Dead side = 0V. I then used a multimeter to check these results as I was expecting a potential difference of 230V between Supply side and dead side...
  19. sldz1200

    Differences between fluke 1663

    Hello, I don't know if I'm in the right place for this publication, I apologize first of all. I did a search, but I didn't find anything.... Does anyone know the difference between these two FLUKE 1663 models, where one comes with the RCD test selector in yellow and the other in white? What is...
  20. A

    230v between N+E and 0v between L+E

    Hi all, I was called out earlier today to a house where a plumber was fitting a new mains electrics shower. He wanted to know if the existing cable was of a suitable size. I am a recently registered electrical contactor, however I hadn't come across this issue before. The cable was a 6sq pvc...
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