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  1. ETradesmen

    RCBO’s and Supplementary bonding

    Just a thought guys in terms of RCBO’s and supplementary bonding. Obviously supplementary bonding isn’t required as long as a 17th / 18th condition consumer unit is fitted (dual RCD protecting all circuits) but what if it’s a main switch only with individual RCBO’s? What is stopping somebody...
  2. ETradesmen

    Near death electric shock

    Good afternoon all, today I experienced a near death electric shock. This happened on a single phase domestic property! I was carrying out a few minor jobs for a customer: one of them was to install a new flood light to an old brick store in their back garden. The brick store was fed via a...
  3. ETradesmen

    Searching for electric radiators

    Good evening all, I just wanted to pick your brains regarding electric radiators. I am due to purchase a property and want to install very basic but very good oil filled radiators which can be controlled via a central stat (through a contactor). I have installed thousands of these which all...
  4. ETradesmen

    Pulling my hair out with this boiler!

    Hi guys, My parents have just moved into a new build with an ideal S24 boiler. They were complaining that the boiler was firing up randomly so I took a look. I have completely re wired everything correctly (20 years experience, approved contractor) yet it still runs almost all the time. It’s...
  5. ETradesmen

    Can someone help me with what driver I need?

    Hi guys (can I assume pronouns?!?!?!!), I’m in need of a certain LED driver for the attached LED lights. The problem I have is that I’ve wired these in 12V alarm cable from the loft and not allowed for 230v drivers at the fittings. They come with individual drivers and there are 3 lights in...
  6. ETradesmen

    Very odd current through earthing.

    Good evening all! I was on site today relocating a consumer unit in a domestic property and got a hefty whack of a CPC... I have never seen this much leakage in 20 years of work. It is a TNS system, the main switch was off (I got a whack of a gas bond). I am unsure what to do with the...
  7. ETradesmen

    Industrial question

    Good morning everybody, I’ve been asked to look at a job to install a 3 phase compressor in a body shop. It is a 3 phase 20a machine which is fine, the only issue is the lay out. The consumer unit and compressor are sitting outside the workshop but the mechanic has asked if I could put a...
  8. ETradesmen

    New build - DNO fuse size

    Good morning one and all, I have a new build coming up (Hertfordshire) and was wondering what size fuse the supplier install now? The reason why I’m asking is because a sub main is required due to the client not wanting the CU near the meter. thanks,
  9. ETradesmen

    Intermediate switching

    Good evening all, Just a quickie, if I wired a switched live and neutral to an intermediate switch could it still work? 2 way switch - feed and 3 core intermediate switch - 3 core 3 core and switch live and neutral 2 way switch - 3 core I’ve not made a mistake, I’m just a bit curious...
  10. ETradesmen

    CPC calculation

    Just got back from looking at a potential job. What a bodge up! I was called around to be asked to install an isolator for a sub main feeding a consumer unit which a car charger company will come off feeding their charger. New mains upgrade recently done and the previous electrician has bodged...
  11. ETradesmen

    Scratching my head over immersion heater!

    Good evening all, I have a query regarding an immersion tank. I received a call from a new client asking do I fix immersion tanks to which I told her it’s probably best to get a plumber out as he can eliminate the problem and change the element if required which would save her money. I won’t...
  12. ETradesmen

    EICR OBSERVATIONS

    Evening all, just a query! I’ve been asked and have completed a C2 observation on a EICR. I never carried out the initial EICR but have installed supplementary bonding inside a property which has now got a clean bill of health. The customer has asked me for a revised EICR that states...
  13. ETradesmen

    I need a certain switch

    Good afternoon all, I was a victim of theft on Friday night. My van was destroyed and I lost some gear. It was a peel and steal scenario where they’d forced entry through the top of my side door. I have an alarm fitted but want to install an additional one with a high dB siren. My question...
  14. ETradesmen

    Bunches up lighting circuits

    Good morning all! Currently carrying out an EICR on a commercial property and have noticed 8 lighting circuits bunched into 2 MCB’s. 0-EE74-FE0-F729-4048-A7-F4-2979-EBDFD688 - https://ibb.co/hCTKpsC No real danger but not very practical as nuisance tripping could occur and the labelling is a...
  15. ETradesmen

    Advise on a time clock

    Good afternoon fellow engineers. Just wanted to see if someone could advise me on a certain time clock. I installed a particular one a while ago in a house which had 4 pins / built in contactor which fitted inside a single PVC box. A photocell was also incorporated in the circuit. I haven’t...
  16. ETradesmen

    Y plan wiring / Hot water

    Good afternoon all, just a quicky. Ona Y plan system can anybody tell me why there is a switched live from the cylinder stat back to the programmer (Also connected to the grey on the MV)? Why does the programmer need to know that the cylinder has hit the required temperature? FYI I installed...
  17. ETradesmen

    Today ended with a bang!

    Hey there, I don't normally post much on here but am always browsing through this forum as the topics are somewhat interesting. Anyway, as per the title. I managed to end todays work with a BOOM! I have been working on a complete refurbishment on a old 1920's terraced house. The property has a...
  18. ETradesmen

    Things that make your blood boil...

    It's been a while since I've seen a thread started which allows fellow electricians to share their pet hates in the business and to let off some steam! Lets keep it top three things you hate! 1. People who write 'spare' on consumer unit labels! 2. People who only use 1" of blue/brown sleeving...
  19. ETradesmen

    Sub contracting rates

    Hi, it's been a while since I've had to do some sub contracting work and am a bit lost in what I should be charging. I am based in Hertfordshire with work being offered to me all over Hertfordshire/London. I am fully qualified, have a van with full tools etc. I've been doing electrical work...
  20. ETradesmen

    Receipt question

    Morning gents, after emailing the customer an estimate for the work to be completed at her house which she agreed to, she then asked me for an invoice at the end of the job. I provided her with one that worked out slightly cheaper than the original estimate (i estimated 3 days it took me two)...

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