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  1. P

    When to isolate incoming supply to DB

    I think there does need to be clarity between you and your employer for working practices. I dont think it really matters whether you can or cannot connect an clamp on ammeter on a live cable. For instance, some companies mandate a strict no live work, period, this means to remove a DB cover...
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    LED Dimmer headaches

    Dont know your dimmer, but most dimmers i have come across will operate a non dimming lamp on maximum brightness setting, i.e. rotated to max.. The issues normally come when you try and reduce from max. You probably already tried that, the next thing is the minimum turn on current, i.e.. you may...
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    LED Dimmer headaches

    Sadly blocked from Home Depot.... i was trying to get the tech specs of the specific lamps, manufacturer model type etc, it has been known for lamp packaging to incorrectly label their products. Might be worth looking at Home Depot online and getting as much info as you can to identify the...
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    LED Dimmer headaches

    Can you detail the exact make model type of lamps?
  5. P

    Looking for dali and knx learning resources.

    Not sure whether you are new to both technologies or just one. Best place for resources are the manufacturers. e.g. If its a KNX install, then there are a handful of manufacturers that produce the Dali gateway. Attached is a link to the Gira Gateway which i am pretty familiar with...
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    I Need Work Looking for someone to rescue me

    Have you considered Cyber Security roles ? - With all that experience, why not put it to use and earn a decent wage. It should be a relatively easy transition for you
  7. P

    Remarkable electric shock I experienced

    I don't think there is any mystery here. I guess most if not all have experienced a shock when are best laid plans of working safely fail. I have experienced one, similar to the OP in that , in theory, there was not supposed to be a route to earth. It was just a momentary brush against a live...
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    A MCB 1200+ amps tripped .. help is needed urgent

    Need to get some photos of the make model of the breaker. I would expect it to have a number of settings that may or may not have been set appropriately, fault current size and duration immediately spring to mind and also any earth fault settings, that may have been implemented as PC1966...
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    Bizarre variable IR problem at 250V

    There is always the mice issue, watching you and putting his/her paw across the wire just when you are about to leave. They are not as daft as they look. When i get desperate, if i think i have narrowed it down, you can always run a replacement cable across the floor to see if it holds. Only had...
  10. P

    Bizarre variable IR problem at 250V

    Might be stating the obvious but i have found IR testing a challenge when there is a fault caused by either damp / corrosion . I have had 0.0 readings and it still energised and have had 10M plus readings and it trips before i can put the tester away. You could try a clamp milliammeter across Ls...
  11. P

    Omission of fault (and overload) protection for inverter

    Connecting the inverter directly to the service fuse does appear optimistic, i would not like the inverter located in the house if that is all that is protecting it. When solar is producing, yes the inverter has lots of internal mechanisms to protect itself however if the inverter itself...
  12. P

    1947 IH KB2 instruments

    The new gauges are 12V designed for a modern car ? - The gauge manufacturer should specify the correct sensor that is calibrated for that gauge. I always buy supplementary gauges and sensors as a pair. If you let me know what gauges you have bought i can have a look
  13. P

    How easy is it to blow the DNO's cutout?

    .
  14. P

    How easy is it to blow the DNO's cutout?

    I think in this case, the guy needs more experience, which i think he will get soon enough. He never did answer the question of what size fuse would he baulk at energising without IR testing first, still, cannot fault the attitude, like the guy jumping out of a 30 storey building...... so far so...
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    How easy is it to blow the DNO's cutout?

    I think what is alarming some is the acknowledgement by some who have survived a major event. When you have personally experienced an event and live, you have a different attitude to going for a fuse replacement without testing first. OK 80A or 100A fuses wont bring the house down, but what size...
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    Sanity check on plan for CU replacement (MCB to RCBO AFDD)

    To answer the Ops question - how would an electrician react to the home owner specifying the Cu design ? TBH - it has never happened, lol There is no brand loyalty, as such, it is just some brands have quirks in their products that grind your gears when you have to deal with them. I tend to...
  17. P

    Location for shower isolation switch

    You could install isolator in overall room as requested, then get a Traffolyte label made "Isolate from overall room" and screw the label to the tiles above the shower box, :)
  18. P

    Long time no post, but thought youd like this one

    Wow, wondered if they actually found the real problem? Feel sorry for genny guy, rock and hard place Feel sorry for DNO guys... what the *uck is this genny doing.. lol At least if they pulled the main fuses, the genny could run to power the datacentre, sort of manual changeover, :)
  19. P

    Anyone watched the TV documentary tonight about Heat Pumps and electricity supplies in general?

    Seriously ? - Even a 5 year old gas boiler delivers 95% efficiency, i know cos i measure them, dont need research, i actually see it on my meter, lol - as for claimed HP efficiency, even GSHPs struggle with a cop of 3. Just download the efficiency curves for any ASHP or GSHP, you will be...
  20. P

    Proposal for an inverter for a solar system on a balcony

    https://batterygroup.co.uk/accessories/inverters/13542/solis-0.7kw-mini-s6-single-phase-inverter-with-1-mppt-and-dc-isolator?number=40130DR&gclid=CjwKCAjw_aemBhBLEiwAT98FMqLYNxXVkW1DKd9dUJq2HogSglKfkBzk8XNlpXNkM3OI9RSeQfcqChoCkX4QAvD_BwE

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