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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.- thekingiam
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- question simple
- Replies: 10
- Forum: UK Electrical Forum
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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...- Derekb
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- alarm box simple sounds supply tamper using
- Replies: 5
- Forum: Security Alarms, Door Entry and CCTV (Public)
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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...- Ajaylat
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- attach battery led leds question resistors simple
- Replies: 15
- Forum: DIY Electrical Advice
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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...- bit_fick
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- electric electrical electrics simple
- Replies: 3
- Forum: UK Electrical Forum
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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...- Link321
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- electric electrical electricity simple
- Replies: 8
- Forum: Electrical Wiring, Theories and Regulations
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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...- screechyboy79
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- ceiling ceiling light earth electrical work job light new other simple switch
- Replies: 118
- Forum: UK Electrical Forum
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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...- icor1031
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- question simple wiring
- Replies: 15
- Forum: DIY Electrical Advice
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led tape light ip rated- clipped not sticky back
Anyone know where I can get this from?- tex431
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- clipped clips led led tape light rated simple sticky tape white
- Replies: 5
- Forum: UK Electrical Forum
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rcd trip
why would 2 rcds trip at the same time on a dual board- iamelectric
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- electrician rcd simple testing trip
- Replies: 19
- Forum: UK Electrical Forum
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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...- sparkydude
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- electronic problem simple
- Replies: 3
- Forum: UK Electrical Forum
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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...- Jolyonwag
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- correct extractor simple
- Replies: 10
- Forum: UK Electrical Forum
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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...- Jase_82
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- cable ceiling circuit electrical work job lighting simple smoke
- Replies: 19
- Forum: UK Electrical Forum
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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...- monkeyelectric
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- lighting simple
- Replies: 7
- Forum: Electrical Tools and Products
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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...- J&M Electrical
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- before contactor industrial oven simple switch timer
- Replies: 37
- Forum: UK Electrical Forum
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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...- KingKenny
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- house lighting old problem simple wiring
- Replies: 44
- Forum: UK Electrical Forum
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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...- futurewired
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- adding drawing electric electrical plan program simple
- Replies: 6
- Forum: Business Related
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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...- kkkkk
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- earth electrode method simple test
- Replies: 8
- Forum: UK Electrical Forum
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Simple Advice on a multimeter please.
Hi Everyone, I would just like to start with saying that I have no background in the electrical field so please forgive me for my ignorance. Basically, I'm looking to buy a Multimeter that is accurate enough to measure as low as 100 mV AC. I've been told that not all Multimeter are accurate...- Tom1989
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- advice multimeter please simple
- Replies: 1
- Forum: Electrical Tools and Products
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Simple wireless room thermostat to control pump only
Following my previous post in this forum regarding installing an additional forum, I would like to follow a suggestion made that I should install a remote room thermostat. My current room thermostat, located in a bedroom, when it calls for heat it is wired to simply switch on the central...- csj
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- control electricians' talk existing pump room simple system termostat thermostat wireless
- Replies: 5
- Forum: UK Electrical Forum
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Understand Electricity with Simple Theory and Diagram
Just visit at "www[.]williamson-labs[.]com" for Understand science with Simple Theory and Diagram. Really , this is also very nice- scottaleger
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- diagram electric electrical electricians' talk electricity simple understand
- Replies: 2
- Forum: Electrical Wiring, Theories and Regulations
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