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simple

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  1. S

    Simple Off Grid job Devon area

    Anyone around Marldon, Devon who could fit a couple of small panels and low voltage lighting into a battery for a stable block? I can give advice on specifics. Full kit supplied. Might lead to more. Thanks
  2. M

    Help needed, simple PV system design for CG 2396

    Hi all, I'm just finishing my 2396 design project and I've just got to the pv bit. The lecturer didn't spend any time it all so I'm a bit lost. All it has to be is for a 10kw per phase arrangement on top of a factory. Nothing fancy at all. I'd really appreciate any help offered. Thanks in...
  3. Resu

    Heating

    Hi all, question to the mentors (and/or fellow trainees!): I'm looking to learn a bit more about how heating systems (more boiler type) work. I can sit and wire a JB following a diagram no bother but struggle to understand some of the different systems. In most of our new builds it seems to be...
  4. T

    simple question

    can i feed fire mains powered fire alarms from emergency light fittings which have overide switch for testing lights. they will have battery backup on alarms so any tests of lights battery should kick in.
  5. D

    Simple Tamper Alarm box lashup

    Hi Im attempting to quickly knock up a temporary alarm using an external alarm box (no control box) with a tamper loop wire wrapped around some kit I will be using a external sounder, long length of multicore cable and a 12v power supply. the box is a XS3D terminals..... ST- strobe TMPR...
  6. A

    Simple Question about LEDS and Resistors

    First off, I want to say that I'm not an electrician and don't know much about electricity. My question... Is it ok to have two resistors connected to a 3mm led? Please don't ask why two resistors. I just want to know if it would harm the led or have any kind of negative effect on the circuit...
  7. B

    Simple Electrics!

    Hi guys and girls. Just a quick one, im sure its dead simple but for the life of me i cant work this one out. I recently got a clap sensor like this Clap Activated Switch Kit | Maplin I have had it all built up and now its come down to powering it up. I have a 12v feed going into the bottom of...
  8. L

    Simple electricity theory

    Hello, Im currently at college studying science and we have recently started our electricity module, unfortunately our tutor has been Ill so we've just been given worksheets and they have raised a few questions about the principals of electricity. Basically one of the questions I have is...
  9. S

    The simple job of a new ceiling light

    Has me in a state of confusion... We live in an early 80's house so the wires coming from the ceiling are 3 red, 3 black (one with blue tape, assuming they ran out of red) and 1 earth. Our new ceiling light has 3 blue, 3 brown and 1 earth. I have tried a multitude of combinations and have...
  10. I

    Simple(?) wiring question.

    I am moving soon, but I will have a shed that I need to power, so I can use my wood work tools. It's a rental, so I don't want to make permanent changes to the wiring. The best power source I have access to is a 220v (USA, if it matters.) dryer outlet. It's on a 30amp breaker, and so far as I...
  11. T

    led tape light ip rated- clipped not sticky back

    Anyone know where I can get this from?
  12. I

    rcd trip

    why would 2 rcds trip at the same time on a dual board
  13. S

    simple electronic problem (if your electronically minded )

    Hi all, have s simple electronic problem that i could do with help for a solution to. Basically we have a disabled refuge system which is a C-Tec sigtel sytem. It is also linked to the disabled toilet alarms. The alarms used do not have a built in relay as shown in the instructions so we...
  14. J

    Extractor Fan-too simple to be correct?

    I need to put an extractor fan in a small downstairs toilet with no window. I know it has to be fused to 3amps and I know it has to have a run over facility, and that it must be linked to the light switch/switch to conform to building regs. It will be a staff toilet and I am aware that people...
  15. J

    Simple job?

    Scenario: "I'd like a single smoke alarm hard wired in my house so I don't have to worry about changing the batteries if I decide to rent it out in the future" says the customer. right, smoke alarm in hallway off of upstairs lighting circuit, 0.5m away from ceiling rose. So far so good. Check...
  16. M

    Simple lighting

    I don't know if any of you have ordered off simple lighting in the past or are about to my advice is don't! I've had a few bits off them over the last year and now i've got a problem with a gu10 led and they're making it so difficult to get a replacement its unreal, i thought i could call them...
  17. J

    Contactor to switch an oven

    Hi Guys, Apologies if this is a basic question for most of you, but i haven't had much if any experience with contactors. Basically we have been asked to quote to fit a timer to an industrial oven (63A) so it will switch on at 4am and warm up before the bakery opens so they can get on with...
  18. K

    1930's House - Old Wiring - Should be a simple lighting problem....

    ... But it's causing me a problem. First time I've asked a question on here, so thanks in advance for any advice. The problem is as follows ... I'm working on quite an old house in Scotland - big thick walls, etc... :) I have a light switch which should operate a batten light in a bedroom...
  19. F

    Electrical symbols adding to a drawing / plan Simple program

    Hi all Anyone know of any simple software you can upload a drawing and add electrical symbols to, there must be a program out there, getting asked a lot more for inclusion in om manuals, as you know some jobs are design and build as you go, and us guys on the tools haven't got the time to learn...
  20. kkkkk

    Earth Electrode Test - is there a simple method?

    Hi all Can you tell me if there is a cheap and easy way of testing an earth electrode, without the expense (which I can't afford yet!!!) of buying a dedicated tester? This is one person's recommendation, tell me what you think: "Anyone with a bit of electrical common sense, knowledge of...

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