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  1. P

    Cable pulling question 25mm 4C in 63/50mm duct

    When putting in some duct for fibre broadband we also put in a few lengths of 63/50mm twinwall duct "just in case" we needed that, as we knew of a few possible use. At the time the biggest load was expected to be of the order of 32A so 4C 6mm ample and no size issue. However we are now...
  2. P

    Old school type (horizontal) QOT2020 breaker question

    What's the standard rule on the older horizontal or "side-by-side" QOT tandem breakers about which switch controls which circuit, since one of the hot wires is stacked or hidden behind the other? Thanks!
  3. M

    WECA HW Question Help

    What is the total current draw on a 120v system with recessed fluorescent luminaires rated 768W/806VA? I got the question wrong with an answer of 6.4 (768/120=6.4). The right answer was 6.7 - assuming 806/120?) Amps = watts divided by volts. What am I missing? Thanks! This is a self paced course...
  4. P

    Air compressor wiring question

    Greetings! I'm currently in a jiffy, and taking all precautions and safety to account, I want to properly screw all pertaining wires to their corresponding areas, As illustrated in the images, the compressor wires are 5, 2 black, 2 blue, and 1 green, my problem is that I don't know which goes...
  5. S

    Two-way switches and strange wiring question

    Hey all, I'm trying to restore some switches in a house that's only nine years old in place of some terrible motion sensors. History is quite unknown, but considering the placement of some switches, it seems the developer is somewhat to blame for the peculiarity! All the wires behind where...
  6. Lucien Nunes

    Motor cable - style question

    I'm about to replace the cable from a starter to an existing 2hp 3-phase 3-wire motor adjacent. The motor is rigidly bolted to a bed and has a direct shaft coupling, i.e. it is not on slide rails. Normally, I would use stranded singles in steel conduit with a flexible conduit link to the motor...
  7. R

    Light socket question

    I was switching out a bulb in my basement overhead light socket and noticed the hot terminal looks a little deformed.. Its an old light fixture but is this some sort of problem?
  8. K

    Hi, question about PAT courses

    I want to get PAT testing qualifications to add to my CV Which course certificate is most recognisable in UK? I found few PAT testing courses in different prices claiming "certificate of competence" after finishing course also mentioning Member of CPD (Continuing Professional Development?)...
  9. A

    Code Question - Grounding MC Cable and Metal Junction Boxes - Garage Addition

    Hey, question for the group on grounding when using MC cable and metal boxes.... Situation: Enclosed a carport and turned it into a garage. I'm branching off of an existing bedroom outlet circuit to add 1 outlet and 7 LED light fixtures in the garage area (1 exterior, 6 interior LED puck...
  10. Peter55

    Earthing question - three phase into main building, then single phase to EV charger

    Hi there, new to the forum and in final stages of completing C&G level 3; need to complete design project to complete. Am struggling to get my head around how to draw up correct circuit diagram showing EF Loop path for EV charger where initial supply is described as 'three phase TNCS' feeding to...
  11. E

    EICR question - gas bond off main TNS

    Hi all, is it acceptable or was it in previous regs if not anymore? To take the gas bond straight off the TNS connection shared with main Earth? See pic. Thanks Paul
  12. P

    Another Wylex compatibility question

    A relative of mine has a Wylex NHRS6606 split load CU (i.e. main switch and one RCD), probably from around 2003, and it is fitted with the likes of the NSB32 MCBs. I don't have a picture of the inside, nor can I expect them to safely do that, so I was wondering if anyone knows if the recent...
  13. J

    UK smart light switch wiring question

    I purchased a no neutral smart switch to replace my current light switch, but I’m not sure if I’m able to wire it up safely... The existing switch has 3 wires: L1, COM and Earth. The new switch only seems to have 2 wire slots: L and L1. (photos attached) Am I able to safely wire up the new...
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