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  1. Marvo

    Best way to install a very tiny light

    To do the room justice I think you need to make a minature light switch using a teeny weeny lever switch wired in 5mm surface mounted conduit to small warm white LED on the ceiling. Obviously your going to need to make a tiny consumer unit containing a single sub-minature circuit breaker and a...
  2. Marvo

    Replacing T8 fluorescent tube

    Is the new tube identical to the old one ie same voltage, same wattage output etc? Can you post a pic of the writing on the old tube as well as the new one? Did you replace the starter as well? If so is it also identical specifications? Also there might be 3 separate tubes but they could be...
  3. Marvo

    Planning software for semi-industrial installations

    I see one of the forum sponsors is Modecsoft who produce an electrical design software package. I don't personally know if it's suitable for your application but it might be worth a look..... https://www.electriciansforums.net/threads/modecsoft-electricalom-18th-edition-18-discount.170945/
  4. Marvo

    Planning software for semi-industrial installations

    There's nothing free that's easy to use. You could use something like LibreCAD jmight be an option if you're fluent with CAD programs but the learning curve to use the program without previous experience isn't going to be worth it for a single job. Also you'd need an add on package to do bill of...
  5. Marvo

    Has anyone got an apprentice

    Many years ago my business was registered with the government mentor/apprentice scheme. It was an absolute nightmare, the time dealing with the govt scheme red tape, the late and missing payments and the fact the scheme eventually went bankrupt meant the costs to the company snowballed far...
  6. Marvo

    Hi all…..been a long time

    Always a pleasure Mr Sparky-Kent. Hope you're keeping well.
  7. Marvo

    Parts identification

    Identifying plug pins is a dark artform. It helps enormously if the plastic part of the plug has a name on it like Molex or JST for example. If I had to guess I'd say it's an SM series plug made by JST. You could try find an SM series spec sheet or catalogue and see it coincides dimension-wise...
  8. Marvo

    How can I safely join two ends of this wire?

    Twist and tape is dangerous. We get little baby resin joins that are ideal for repairs to small diameter trailing cables, maybe shop around locally for something similar.
  9. Marvo

    Electric iron intermittently goes bang

    What is an iron? I feel a bit embarrased asking because everyone else seems to know, just wondered if it's for doing your hair or is it a steam iron for clothes?
  10. Marvo

    Low Ze, high PFC in industrial application

    I've also heard of adding a known resistance to bring the measurement more into the accurate band of the instrument but I've never seen the advantages of this where as PC1966 point out you're basically robbing Peter to pay Paul. Personally once you get much below 0.05 ohms I'd be derriving the...
  11. Marvo

    Replace My CFL with LED lights?

    Whatever you do here it's sound like it's going to be outside the scope of DIY and probably going to be a job for an electrician. Personally I would ditch the two existing fittings entirely and install something more suitable for a laundry room. Problem is the light you have all comes from two...
  12. Marvo

    Tightening locknuts with hammer and screwdriver-dog rough or not?

    You see them quite often on Copex type flexible conduit fittings that are widely used in the USA and Canada for connecting commercial equipment to fused and unfused disconnect switches. They're designed to be tightened with a 'C-spanner' but they work very well as a slogging nut using an extra...
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    67761998-1-zoom.jpeg

    • Marvo
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    • Category: Electrical Videos
  14. 41YP5-k7DgL._SS400_.jpg

    41YP5-k7DgL._SS400_.jpg

    • Marvo
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    • Category: Electrical Videos
  15. hq720.jpg

    hq720.jpg

    • Marvo
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    • Category: Electrical Videos
  16. Marvo

    Tightening locknuts with hammer and screwdriver-dog rough or not?

    Yeah, sounds like some of the badly designed cabinets we also have to work with. Like you say when there's 25 or 30 glands in multiple rows rammed into a gland plate with maybe 10mm space between and they're large diameter SWA cables that can't be moved around to make some swinging room then...
  17. A0500_LN_sml.jpg

    A0500_LN_sml.jpg

    • Marvo
    • Media item
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    • Category: Electrical Videos
  18. Marvo

    Remarkable electric shock I experienced

    Yeah, I guess your post is a great illustration of how people get killed by a complete disregard for safe working proceedures. There's no such thing as too time constrained to safely isolate. Enjoy your second chance at life.
  19. Marvo

    Tightening locknuts with hammer and screwdriver-dog rough or not?

    We had a similar thread not so long ago Spanner Or Grips what do you use ? - https://www.electriciansforums.net/threads/spanner-or-grips-what-do-you-use.208472/#post-1832641
  20. Marvo

    How to desolder in completely easiest by using Hot Air Gun

    Sometimes chips have an adhesive/ resin type underfill applied during manufacturing and they can be very difficult to remove. You can usually smell the burning underfill material when you heat it if that's the case. If it's just a thick multilayered board that's sinking the heat then plenty of...
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