switched

  1. spark-ticus

    Low voltage light tripping when switched off....!!

    Hoping the wealth of knowledge can shed some light on this..............Have fitted 6 sets of "cable track lights" each set consists of 2x 5m cables spanned parallel across the ceiling with 5x 35w fittings screwed to cable piercing the insulation to obtain L-N. Each set has a transformer with...
  2. E

    Reverse polarity on kitchen socket

    Hi Guys Looking to see if anybody can shed a wee bit of light, got a phone call earlier tongiht from a customer stating he was getting a shock from the socket and the sink. went over to have a look he advised he replaced all sockets with stainless steel ones and one kept shocking him so here...
  3. S

    3 phase advice

    Hi, i require a little advice. 3 phase supply (100A per phase) from energy meter into 3 phase switched fuse isolator, then swa off to D.B 20 metres away. Distribution board feeds office equipment only. I need to install a supply for a 36kw 3p machine, which is going to be situated next to...
  4. M

    37 kw industrial oven

    hi just to check my sums are correct I will be running my oven of a 60 amp 3 phase breaker as the oven draws 51 amps I will be using a 5 core 10mm swa lsf cable to a 63 amp commando skt outlet does any one have any issues that may have missed any advice welcome
  5. C

    RCD trips when big things are plugged in.

    Hello Everyone I was just enjoying a beer and watching and episode of Sharpe, right before a major battle when everything cut out! The RCD switch on the circuit board tripped. With everything switched off it allows me to turn it back on. Small items such as the WiFi and telephone won't trip it...
  6. cashnotakite

    3ph fused switched disconnectors

    Hi Can anyone help me out with this please; when you get a 3ph fused disconnecter (60947-3) either fused or thermal trip, if the device is rated at say 160A does this mean it takes a total of 160A over the 3 phases or each stand alone phase can take 160A therefore allowing the device to...
  7. S

    Please help with this central heating wiring question!

    I’m hoping someone with more experience of central heating systems can help with this problem, as I’m sure it must be a common situation. A plumber has replaced a system boiler, which heats the central heating and also a hot water cylinder. The system comprises a programmer, pump, valve...
  8. L

    Megger switched probe

    Morning, Just got myself a Megger 1552 and it all looks great apart from the Megger SPL 1000 probe. Its stupidly bulky! Does anyone know if there is an alternative switched probe that will fit the tester? Cheers
  9. V

    PIR lighting issue

    Hi. Weird one. I fitted a Georgian style PIR light outside the door of my house. Got a 3 core flex cable (Line, Neutral and CPC) from board to 13A spur (fused down to 3A), then to light fitting. When you walk by, it switches on fully bright, but when it switches off (a.k.a no movement) - it's...
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