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Having used Amtech for so long I can't remember if the de rating factors are applied to the design current or the tabulated regs current, can anyone give me a refresher example calc, I guess it has to be tabulated if it's a current reducing factor
Just had a phone call.
ARE YOU THERE!
Who is this? say I
I CANT TELL YOU WHO I AM I HAVE A SECRET CRUSH ON YOU
Put the phone down
Check the internet for who the number is, it is CEF. Call them and someone answers and like me finds it very weird. They say they will ask technical...
Might be a silly question but getting really confused.
Table 4D5 for choosing cable size for different installation methods, does this already have de-rating factors applied for the different methods? If so, then if you calculated your current capacity using specific de-rating factors...
Hi, as my name says im just trying to do the project on my 2396, im looking into my options of cable management and on route i have stumbled across conduit rating factors p142 yellow osg (ive never worked with conduit) and the rating factors only go up to 10m, is this 10m maximum length or 10m...
i've got a brick wall in my conservatory and ive painted it a color but left the bricks on show, currently the electrics for s/o and lighting are in shoddy plastic off cuts of mini trunking and exposed bits of old twin and earth.
I was thinking of using Galvanised conduit and put it on...
Hi Guys, I apologise in advance as I have done this a**se about face, I have just finished putting power to my shed ( I am currently training to become a sparks got my 17th edition at pass in Watford shortly) and hoping to use my shed as my part p inspection as hoping to join ELECSA. Anyhow I...
Hey everyone, just wondering what everyone thinks the best LED GU10 bulb is. Factors include: lux, spread, cost, lifespan, colour and size. Also which make of bulb is most equivalent to the 50watt halogen bulb including all the above factors.
A question I've asked many a lecturer and none of them have come up with the same answer.
When looking at the current carrying capacities for SWA cables, from about 35mm onwards you get an r, x, z value. What are these and which one do you use when carrying out voltage drop...
There seems to be a lot of ambiguity and difference of opinions on the Forum regarding shower cable sizing. I have one to fit, 9.7Kw through a seperate RCCB and 50a MCB shower unit via a Henley block using 16mm tails. @ 11m run - 6m capped trunking, 3m under floorboards and 2m clipped direct in...
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