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query

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  1. N

    Motorcycle Wiring Symbol Query

    Hi, I need to rewire a mapping/traction control switch on a race bike that was damaged in a crash. The switch is not stock to install some other features and I can't find the company wiring anywhere on line. Can someone tell me what the following means? Mode Switch: I know they are momentary...
  2. M-B-Electrical-Services

    UK Thermal Imaging Query

    Hi guys, Just a quick one regarding thermal imaging really. My business has had numerous requests to carry out thermal imaging assessments at various locations throughout the UK. This is not something I am familiar with so have used the excuse of being unavailable due to workload in order that...
  3. Charlie_Don't_Surf

    BS7671 Section 740 ADS via OCPD Query

    As with previous posts, I'm always somewhat ginger about posting questions like this, because there may be something obvious I'm overlooking which could make me look foolish. But as the old adage goes, 'there are no stupid questions' (well, not completely true, but anyway), and if it helps with...
  4. M

    Sewing machine query - capacitor requirements

    Hi guys. Any advice greatly appreciated, please. I have a 1970 Bernina sewing machine. It works a treat, but has just popped loudly and emitted a puff of smoke. I gather that the motor suppressor/capacitor gives up the ghost on these old machines as a regular thing. Sadly, Bernina don’t...
  5. W

    Immersion heater query

    Wonder if someone can explain this to me, if youve got an economy 7 controlling your immersors how is it wired if you have an off peak and a boost option but there’s only one live connection within the unit?? Question 1 lol! Question 2 - how would you wire it if you have 2 immersors but no off...
  6. Charlie_Don't_Surf

    BS 7671 Query - Earthing of line conductors

    I'm working my way through the BS 7671 handbook and the course I've bought which accompanies the exam, in preparation for the latter. I have now come across, in a couple of places, regulations which require under some circumstances, for line conductors to be earthed. for example: "411.4.2 The...
  7. O

    Laride transformer failure query

    Hi folks I've just identified as cause of lighting circuit tripping in consumer unit a low volts ceiling light with laride transformer taking in 240V 50Hz and output 12V 60VA with load 3 LEDs rated at 2.4W/ 300mA. This unit is only a few years old and not much used. What kind of lifetime should...
  8. W

    Water bonding query

    Doing an EICR on a commercial install, there’s a copper pipe comes down a pipe chase with the stop cock fitted onto it, it’s then pvc pipes that come out the other side and these are fitted onto the sink, does it require to be bonded??
  9. W

    Home rewire query

    I’ve been asked by a builder I know to rewire a property he’s renovating, I’ve been involved in a few rewires before but never priced one. Just wondering how everyone else goes about pricing a big rewire? It’s quite a big property, 3 floors. Builder supplying all materials it’s basically labour...
  10. C

    Cable tray query

    Sorry, an odd question . Does anyone have any experience of these. Would the steel 100mm hhvy duty type be strong enough to support wheeling an ebike over (say) 5feet onto a towbar bike rack ??
  11. W

    Water heater query

    Wonder if anyone can help out, my experience in heating is minimal. So house I was working in had a circuit for the water heater, which went to a double pole switch at the water tank. But the water was controlled from a programmer in the kitchen which was supplied from the heating circuit. The...
  12. W

    Combi boiler query

    So I’ve been having this issue with my boiler for a while now, I’ve currently got one stat in the hall that when I turn it on it brings the heating on. Very basic, it’s low voltage switching. See when I turn the heating off it takes ages to go off, it’ll heat the radiators up to absolutely...
  13. Z

    Wago query resin joint

    Been using Wagos since they came out, love them, but was wondering do you use them in poured resin submarine joints. Obviously if the resin had any effect on the Wago plastic you would have bad connection, whereas using old style strip connectors, even if the plastic was affected,, the...
  14. R

    PAT Testing fail query

    Hi, I perform annual PAT checks for my company (office and workshop). The Apollo 400 machine we use has recently gone for calibration and service and since it's come back, items which passed easily last year (Earth Continuity below 0.1ohm), are now not passing. I've now raised the earth...
  15. T

    Bathroom extractor fan ipx query

    Hi, Buying a replacement extractor fan. It falls into zone one with the room setup. Looking at two fans. One is rated zone 1 one is rated zone 2 and both have ipx4 ratings from what I can see and from wider reading ipx4 is the requirement for zone one and two? is the ipx rating all the...
  16. S

    Query on registered electrician

    I recently came across an electrician who came to my house, hardly spoke a word of English and had a translator with him. I noticed he was wearing a NAPIT id badge around his neck. My query is do NAPIT allow translators for foreign electricians? I mean if he cant speak English then how could he...
  17. W

    Kitchen fan installation query

    So today I was coring a 6 inch hole for a kitchen fan, now I cut my hole in the kitchen plasterboard and used a long sds bit to drill out the way, then I cored my 6 inch hole back the way. The hole coming back in is slightly off, am I best coring from inside back out until the first bricks...
  18. G

    Chinese Jacuzzi bath query

    Hi, I am after some advice please. I am a bathroom fitter and are in the process of installing a jacuzzi bath. All plumbed in and ready to test but instructions say to connect to a 16A magnetothermic switch with a 30ma differential & earth socket! The bath has a cable with a 2 pin socket on. I...
  19. frontier219

    Landlord's EICR query

    Afternoon all, Just wondering what everyone's response to the following scenario is. Letting agents have asked us to carry out an EICR. There was a previous failed EICR that has been lost and isn't able to be retrieved. We were told that the landlord had had their own electrician in to carry...
  20. J

    Query on recent Electrical Certification for property

    A relative recently had an electrical certification done on a rented property. The property was build in 2005 and had previously passed 3 electrical certifications with flying colours, however this time round a number of issues arose resulting in a bill of £500, which was very surprising...

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