How to select the battery of desired type and rating out of so many available batteries?
For example if I wish to support a 20 KW system with back up of 1 hour, 3 hours and 5 hours then what should be the ratings of the different battery banks respectively.
How does the battery voltage affect...
BIDOYNG - Kelvatek
My lad has just started as trainee engineer with SSE.
He's just come through with the iPad showing me these beasties that the are starting to fit in subbies
Quit interesting stuff, i like the inbuilt TDR and the fancy gateway myself.
I can see this kind of stuff filtering...
Hi, my name is Richard, I am in West Sussex and have recently completed a domestic installer course. I am now concidering my options, do I set up as self employed, shadow a spark or sign up to an agency. Any advice will be gratefully received. I would also like to thank everyone at...
My brother is seriously considering having solar panels on his house.
The roof is facing south, south west, and is not obstructed.
How would he be able to decide if its worth it or not?? Yes this sounds a daft statement!!
He lives in the Leighton Buzzard area.
What protection does a CU main switch offer?
Is it just a switch or does it offer overload protection too?
I have asked a few sparks, and every one said it offers overload.
When pressed for what would cause it to disconnect they did not know.
So anyone know anything about this?
Any one ever wired a extractor to run when the pump is running only, is there a connection within the electrics connection box IE run side of the motor. over run I suppose is easy enough from the perm live
Pict
Hi people i am new hear and looking for some advice on circuit tracers, theres a few out there and we have a lot of ECRs to be carried out in the near future.
Has any body got one and are they good are rubbish. I am concerned of spending a lot and they not doing as they say !!!
Any advice...
Hi all, after a bit of advice regarding work experience. I have been offered the chance to shadow a guy and his lads on some domestic and commercial stuff.
What tools should I take if any? He didn't say much about what I would do other then working alongside his lads and learning from them. Not...
No real experience here and trying to get myself into the trade down the mate route as suggested by you lovely folk. Thing is I know there will probably be a lot of competition for these jobs(if they even exist going on the agency's I use for driving) but I dont have an ECS card either which...
A while back whilst carry out day works for a main contractor (small old school firm) boss man asks if we could bypass his meter on a TBS while he contructs a new build, of course declined to get implicated in this kind of work. but if he did manage to find someone to do this would it be on his...
hi quick question will my local electrical board update my supply to tn s or tnc s pme as the house is earthed on the mains water pipe i was going to make it a tt system but thought id just ask this quick
thanks
Hi Chaps,
Hope someone can help me with the following.
Have got a couple of wall lights on a standard rocker switch at present, with 2 x low energy lamps. These come to less than 40watts in total.
Customer want to put a dimmer in that is rated from from 40w - 300w.
Sure I've heard before...
I was an electronic engineer back in the 70s/80s, and am now retired. I am now part of a charity that helps poor people. The charity has a rule that all electrical goods that are donated must be PAT tested before passing on to clients. But I am having difficulty locating places in the Croydon...
I want to make the lights come on on their own while im on holiday, ive bought an electronic timer what plugs into a socket, and ive also got a relay which i want to use to make my kitchen lights come on as these are visible to the outdoors. Which wires would i send to the coil on the relay and...
Been doing work on a farmhouse and shes had one or two blokes doing various rooms before they got plastered. She was told in good faith that they were bona fide experienced sparks and she paid accordingly anyway i was asked while i was there if i could have a look at a two way sw which is part...
last week ( thursday) called to a farm. couple of florrys to fit in barn ( installed 2 fittings 3 months ago, these 2 could not be done then as access denied by farm machinery.) then farmer asks me to fit 2 SON floods on a pole 8ft from wall ( overhead cable), 1 x double socket on steelwork of...
I thought some of you might want to know about this new scam. Over the last month I became a victim of a clever scam while out shopping. Simply going out to get supplies has turned out to be quite traumatic. Don't be naive enough to think it couldn't happen to you or your friends.
Here's how the...
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