1. N

    Siemens RCCB trips even while inductive motor is off

    Good day everyone This is my first thread here, and I'm writing because I have a problem which I'm not sure how to solve. Since its company money, I just want to make sure that the conclusion to the problem is correct. We have an autoclave that works at 121 celsius to sterilize with steam. Its...
  2. S

    Advice on LED inductive voltage preventing LEDs switching off

    Hi, I'm looking for some advice on LEDs that glow when switched off in a multi-switch circuit. Last month I replaced our old CFL lamps with multiple LED G9 'chandeliers'. The living room has a dimmer switch and the 20-odd LEDs all work fine. However the hallway has 3 ceiling fixtures, with...
  3. Lucien Nunes

    Control Of 1/2hp Motor Using 20a Sp Switch

    This is an existing setup and I am wondering whether to modify it. It's not easy to get at so if I don't need to, I won't. I'm not sure if it will become part of the fixed wiring or whether it will be connected via a 13A plug, probably the latter, but basically we have a 370W (1/2hp) cap-start...
  4. H


    HI all First post on here so be gentle! I want to connect a pir in my garage to switch off my 1.5kw compressor. Would your average home/diy pir do the job. Many thanks Jarse
  5. S


    Been round to look at some work for a client to quote up... But while I was there he asked if I knew why 4 led's in his landing were flashing intermittently when switched off from upstairs but not down stairs when turned off which were fitted by other sparks when loft conversion went in. Tbh I...
  6. E

    Pulling a fuse with load on it

    One of the first things i learnt was, if you pull a dno fuse, remove the load first. Of course i never pull fuses but that's another story... Has anyone ever pulled one accidentally or otherwise with a load on it? What happened?!?! Bloke i work with said it's fine but he's ex military so...
  7. S

    Domestic PIR Problem

    Hi everyone I have had a callout to replace a malfunctioning stand alone PIR unit. The unit when acivated would just flick the lamp on and off regardless of the time control setting position. The customer had advised me that the unit has been functioning correctly for 2 years. Unfortunately...
  8. R

    what does the AX stand for on light switches?

    The A is obviously amps, but whats the X?
  9. L

    Inductive Phone Charging

    heres something which is interesting and what we can talk about, read it on a website today. "Singapore smartphone company, MWg, has reportedly announced that later this year it will be launching handsets which do not require cables to charge up. Using inductive charging, the devices need...
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