do these exist? i am looking for a testing machine that can be operated both manually (1-2 button presses for speed testing) and also can set automatic test sequences and download/upload results to a pc.
i prefer manual testers because results can be interpretted easier and are a lot faster in...
been asked the question about automatic voltage regulator,
the problem occurs in pakistan were they are saying 440v comes in.drops down to 220v,goes up and down from 110v to 220v,
what they were asking is, the relays keep on going and having to be replaced?why?
dont have make or model,it was a...
Client wants lights down his drive to be automatically contolled from either end, so they come on when a vehicle leaves the house or enters the drive from the road. There is an existing new 2.5mm three core SWA under the drive which will need to power the lights and any controls.
So my thoughts...
Just found Solar Panel Immersion Heater Switch - Use Surplus Power To Heat Water | eBay
Has anyone tried one of these?
Do not know if there is any garantee with it but have asked the question.
To be cost effective it has got to last several years
Anyone know of a reg that says 3036 fuse boards automatically have to be upgraded?
I think 'no', but other sparks have said otherwise........
Thoughts pls....
forget type B rcd's at minute
do we have to use a .30ma rcd to meet 17th edition requirments of .4 seconds disconection times for domestic solar pv system (16amp) even if cable is surface mounted outside in conduit ?
regardless of Zs as its normally low anyways to gain 1% volt drop.
but...
My father wants a garage door converting to an automatic door. I know you can buy a kit to convert it. Has anyone done this? Is it difficult to do? Thanks
I'm looking for one of the automatic door openers for a standard internal single door...
It's going to be for the elderly who can't physically open the door but should have the strength to push a button on the wall to allow the door to open automatically for them
What online company is there I...
Hi chaps,
What wire strippers are you using? I bought my third (RS243-257 or similar) but
after frequent use with 4mm tri rated the grippers wear out and the wire just slips through without stripping the insulation of. Are there any better products on the marked,
and where from?
Kind...
hi all
just wondering if any of you know anything about auto power correction? the reason i am asking is i have several 100amp single phase installations that are running at full capacity, so i was wondering if power correction would reduce the full load current? therefore reducing running...
Hi all.
Asked to do a job fitting lighting to bedroom furniture with sliding and normal hinged doors. Any of you done this before, any hints or tips, which types of switch have you used? Will be using, I suspect under cupboard type flous fittings.
I'll more than likely pick up the supply...
Hi
Needing help with a PIR.
1. Old wylex type 2 CBs what BS is this an what Ka rating does it have.
2. MEM Memway 3 phase DB with rewireable fuses i take it they are a BS3036
3.The Memway is fed via an 60A TPN switch fuse Oterail make would this have a BS No
4. Method of protection on PIR...
Anyone know how to connect a bi parting automatic door to a fire alarm panel, i think i know where it connects into the panel but have no experience with these doors!!!
I need to open the door when the fire alarm panel is in fire mode!!!
The Board is a "Sabre"!!!
Any help on this would be...
Hi,
I work for a generator manufacturer. We manufacture Automatic Transfer Switch panels for use with our generators, configured in the following way:
Mains and Generator supply are fed into an ATS panel containing interlocked (mechanically and electrically) contactors. The load side of the...
hi, I've got a customer who is have automatic curtains installed. The motor has a 3 pin plug/transformer and the client isn't liking the idea of running the flex down the wall to the 450mm high socket...don't blame her. Is it acceptable to have the socket hidden up near the curtain track or will...
Does anybody know of or seen any locking system which automatically locks at a certain time of the day?
For example, unlocks at 7am, locks at 5pm, with an overide switch if required?
I am trying to find some way of automatically locking doors without too much hassle, and nothing too complex...
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