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Lighting/Ceiling Fan/Electrical help please
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Author:  Joans [ Sun Jul 04, 2010 16:38 ]
Post subject:  Lighting/Ceiling Fan/Electrical help please

As you will probably have noticed, it's been pretty hot recently, so I've bought a ceiling fan under the assumption that I'd somehow be able to blunder through and attach it without killing myself or blowing anything up.
After removing the old light and staring at it for a bit, it's become evident that I've got no idea what I'm doing, so if anyone can tell me what goes where, that would be great.

Diag 1. The existing ceiling wiring:
Attachment:
DSC03446.JPG

I've got as far as working out that I've got a loop in pair and a loop out pair, and another pair of wires that go to the switch (as identified by the red-sleeved black wire), and obviously the earth. The live and neutral wires from the old light went into the holes at either extreme of this block.

Diag 2. The terminal block for the ceiling fan
Attachment:
DSC03448.JPG

Er, stuff goes in here somehow.

It looks like I've going to have to take down the existing block to fit the fan, so I'm going to be left with all the free wiring from diagram 1 to stick somewhere. From what I can see, I might need another block to pass the loop wiring through, but apart from changing bulbs and fitting a new light switch this is dangerously new territory for me so I could do with some guidance from someone that knows what they're talking about.

Author:  kalmar [ Sun Jul 04, 2010 18:10 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

This is a combined light and fan, presumably you want to work them off separate light switches on the wall? Do you have two light switches on the wall or only one?

Author:  JohnCoffey [ Sun Jul 04, 2010 18:14 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

Don't these things take one lot of power and have chains on them for the fan and the light?

I'm sure the ones in the USA were switched on at the wall and then you pulled a chain to turn the light on and on the other side was a chain that clicked as you pulled it for the fan on and speed.

Author:  JohnCoffey [ Sun Jul 04, 2010 18:16 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

Just found this pic (fan only) and yeah, there's a chain hanging from it to turn it on.

Author:  kalmar [ Sun Jul 04, 2010 18:16 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

Well rather than guessing I've asked :)

Although I would guess that Joans isn't trying to recreate the Bat Cave in his living room.

Author:  JohnCoffey [ Sun Jul 04, 2010 18:18 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

kalmar wrote:
Well rather than guessing I've asked :)


I wasn't guessing. I was asking if they are all like that (well sort of). If not then I am sure we will find out :D hence -

Don't these things take one lot of power and have chains on them for the fan and the light?

Is a question. Mind you, just looked through a few pics and they are not all like that so I suppose wiring it up will depend on the make up of the thing :)

Author:  JohnCoffey [ Sun Jul 04, 2010 18:19 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

kalmar wrote:

Although I would guess that Joans isn't trying to recreate the Bat Cave in his living room.



:DD

Author:  Joans [ Sun Jul 04, 2010 18:25 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

kalmar wrote:
Well rather than guessing I've asked :)

Although I would guess that Joans isn't trying to recreate the Bat Cave in his living room.


Actually, it's the bedroom :hat: , but yeah, it has a separate pull cord for the fan, so the light switch just needs to work as it did before.

Author:  kalmar [ Sun Jul 04, 2010 18:31 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

OK, good. That's easy then.

You want the original switched live going to the light symbol. The "loop" live going to the fan symbol. N to N, Earth to Earth. [edited]

If you are removing that light fitting, I'd pull the wires up through into the loft, screw a new "rose box" onto a joist and then bring a single piece of flex down through a hole into the new fitting. The terminals in the rose box will look pretty much the same as that, since it's doing the same job. You could even re-use the old box if you feel like it.

OK?

Author:  Joans [ Sun Jul 04, 2010 18:39 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

Er, maybe?
So, I connect the live to the fan (or the light) and then loop another piece of wire across those 2?
The neutral goes to neutral.
Connect another earth wire from the earth on the fan to the "spare earth" (next to the existing one) on the light fitting?

If I was removing the old fitting, do I need to still make use of that block on it for the loop wiring pass-through thingumy?

Author:  kalmar [ Sun Jul 04, 2010 18:42 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

Check the edit.

There's only one pull cord on this thing, right? Not one each for the fan and the light, like Coffey mentioned?

Author:  Joans [ Sun Jul 04, 2010 18:50 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

If it's not clear yet, I've no idea what I'm doing at all, so please try to bear with me (and thanks for helping).

Apparently it has more than one cord (I'm not going upstairs to check), but they're both related to the fan operation and not the light.

When you say the switched live, do you mean the black wire with the red sleeve, or am I still connecting a live wire from the existing block to the light symbol (or something else altogether)?
Er, which one is the loop live?

Author:  kalmar [ Sun Jul 04, 2010 19:01 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

Joans wrote:
If it's not clear yet, I've no idea what I'm doing at all, so please try to bear with me (and thanks for helping).

Apparently it has more than one cord (I'm not going upstairs to check), but they're both related to the fan operation and not the light.


OK. You need the light to work from the original light switch, and the fan should work from a permanently-on live (the loop), so that you can have the fan running without the light being on.

Quote:
When you say the switched live, do you mean the black wire with the red sleeve


Yes, that's the switched live. In case it's not obvious, the hole to the left of it is also connected to it. Use that for the light, as before.

The permanent live is the the 3 terminals in the middle labeled "LOOP" (they are also joined together). There's a spare terminal there, so you can use that for the fan.

You just need to decide whether you are removing the existing junction box or not. Obviously slightly simpler if you can keep it where it is.

Author:  Joans [ Sun Jul 04, 2010 19:06 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

Ok, this makes sense now, thanks. I don't think it's physically possible to keep that box there it as and attach the fan over it (which is what I was obviously hoping to do). If I was to remove that fitting and then break off the junction box (assuming I can physically fit that within the fan), would I then connect the earth wire from the ceiling to the earth terminal on the fan, or would I then just not be earthing anything?

Author:  kalmar [ Sun Jul 04, 2010 19:14 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

Joans wrote:
Ok, this makes sense now, thanks. I don't think it's physically possible to keep that box there it as and attach the fan over it (which is what I was obviously hoping to do). If I was to remove that fitting and then break off the junction box (assuming I can physically fit that within the fan),



If you can break the junction block out of the light fitting without wrecking it all, and it will fit, you could do that. If not, you can replace it with a new box above the ceiling and bring 4 wires down through the hole (preferably using a piece of 4-core lighting cable, I can send you a bit if you want).

Quote:
would I then connect the earth wire from the ceiling to the earth terminal on the fan, or would I then just not be earthing anything?


You're exactly right, connect the existing earth wire to the earth terminal on the fan. Previously it was not doing anything because the fitting and lamp were plastic. You now need to connect it.

You are remembering to switch off breakers / take out fuses for the light circuit before messing with it any further of course!

Author:  Joans [ Sun Jul 04, 2010 19:31 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

kalmar wrote:
Joans wrote:
Ok, this makes sense now, thanks. I don't think it's physically possible to keep that box there it as and attach the fan over it (which is what I was obviously hoping to do). If I was to remove that fitting and then break off the junction box (assuming I can physically fit that within the fan),



If you can break the junction block out of the light fitting without wrecking it all, and it will fit, you could do that. If not, you can replace it with a new box above the ceiling and bring 4 wires down through the hole (preferably using a piece of 4-core lighting cable, I can send you a bit if you want).


I'll try that tomorrow and see if I do it without having to mess about in the loft. If I do need some cable, then I may well take you up on your generous offer though, thank you.

Quote:
Quote:
would I then connect the earth wire from the ceiling to the earth terminal on the fan, or would I then just not be earthing anything?


You're exactly right, connect the existing earth wire to the earth terminal on the fan. Previously it was not doing anything because the fitting and lamp were plastic. You now need to connect it.

You are remembering to switch off breakers / take out fuses for the light circuit before messing with it any further of course!


Ok, and yes, the electric will be going off before I do anything else (although I am going to have to drill some new holes to attach the fan at some point).

Cheers Kalmar, if I make it through this alive then I owe you a beer or two next time we meet.

Author:  kalmar [ Sun Jul 04, 2010 19:40 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

No prob :) Feel free to ask / send photos for checking if you're not sure about anything.

Author:  JohnCoffey [ Sun Jul 04, 2010 19:42 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

Can we make threads like this sticky and put them in a really useful threads section?

I have been wanting to fit a ceiling fan for ages. This thread would be super useful.

Author:  Zardoz [ Sun Jul 04, 2010 19:53 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

Let's see if Joans makes it through first, eh?

Author:  JohnCoffey [ Sun Jul 04, 2010 20:04 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

That sounds a bit worrying... :D

Author:  markg [ Sun Jul 04, 2010 21:22 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

Top tip: if you don't have one of those fancy electrical test screwdriver things then a tongue or a moistened finger makes a handy substitute.

Author:  Zardoz [ Sun Jul 04, 2010 21:35 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

Heh, I just remembered I got Mark to fit mine in my kitchen.

Why not try that Joans?

Author:  kalmar [ Sun Jul 04, 2010 21:42 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

Just a thought: you could cram the wires into the fan's terminal block in the following order if they will reach:

Earth to Earth
Both black wires to N
Red sleeved wire to "light"
All 3 other red wires to "fan". Might be tricky to get them to fit.

Should have thought of that in the first place :)

Author:  Joans [ Sun Jul 04, 2010 22:01 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

Zardoz wrote:
Heh, I just remembered I got Mark to fit mine in my kitchen.

Why not try that Joans?


I don't think it will go in the kitchen, there's a striplight in there. :p

kalmar wrote:
Just a thought: you could cram the wires into the fan's terminal block in the following order if they will reach:

Earth to Earth
Both black wires to N
Red sleeved wire to "light"
All 3 other red wires to "fan". Might be tricky to get them to fit.

Should have thought of that in the first place :)


I think I've got the hang of what's supposed to be doing what now, it's just been a long time since I did stuff like strip the floppy drive power cable on my A1200 so I could power a hard drive off it as well and it's taken me a while to get my head around exactly what on earth everything is. I'm not going to do anything until daylight, but that might be the easier way to do it. I'll have a look at the wiring and see if I can jam three of them in one hole. :hat:

Author:  End of an Era [ Sun Jul 04, 2010 22:56 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

kalmar wrote:
Earth to Earth
Both black wires to N
Red sleeved wire to "light"
All 3 other red wires to "fan".
Might be tricky to get them to fit.


For ever and ever, Amen.

Wait, are you preaching from some revisionist book of common prayer?

Author:  TheVision [ Sun Jul 04, 2010 23:05 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

kalmar wrote:
No prob :) Feel free to ask / send photos for checking if you're not sure about anything.


:this: I wish I'd thought of that before wiring a light that you couldn't actually turn off.

Author:  Grim... [ Mon Jul 05, 2010 9:50 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

Is Joans still alive?

Author:  Zardoz [ Mon Jul 05, 2010 9:53 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

See, I told you.

Bet he's slowly rotating like a kebab trunk on the fan, ready to be carved.

Author:  kalmar [ Mon Jul 05, 2010 9:54 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

At least he got it working then.

Author:  Joans [ Mon Jul 05, 2010 9:54 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

Grim... wrote:
Is Joans still alive?

Yeah, but I haven't tried anything yet.

Author:  Zardoz [ Mon Jul 05, 2010 9:55 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

At least there was no hair to burn.

Author:  Bobbyaro [ Mon Jul 05, 2010 13:04 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

This thread is far funnier than it should be!

Author:  Joans [ Mon Jul 05, 2010 13:09 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

Well, I'm still alive (barely), the fan works, but the light doesn't, so it's back to the drawing board later to see what's come loose. :(

Author:  Grim... [ Mon Jul 05, 2010 13:12 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

Make sure the bulb is okay before you start getting technical.

Author:  Joans [ Mon Jul 05, 2010 13:17 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

There are 3 bulbs, I'm assuming that if one was faulty the other two would still work?

Author:  Cras [ Mon Jul 05, 2010 13:18 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

Joans wrote:
I'm assuming


Yes, yes you are.

;)

Author:  Grim... [ Mon Jul 05, 2010 13:18 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

Yes. As you were, then.

Author:  Goddess Jasmine [ Mon Jul 05, 2010 13:23 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

Joans wrote:
Well, I'm still alive (barely)

I can't believe you haven't told them you actually electrocuted yourself. :facepalm:

Author:  kalmar [ Mon Jul 05, 2010 13:24 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

Oh dear :S

Author:  Joans [ Mon Jul 05, 2010 13:24 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

Goddess Jasmine wrote:
Joans wrote:
Well, I'm still alive (barely)

I can't believe you haven't told them you actually electrocuted yourself. :facepalm:


I alluded to it, but nobody picked up on it. :ninja:
I kind of preferred it when you didn't post here. :'(

Author:  Zardoz [ Mon Jul 05, 2010 13:27 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

:DD with some :facepalm: and a dash of :'(

Author:  kalmar [ Mon Jul 05, 2010 13:29 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

:facepalm: with a dash of "consult a qualified electrician".

Author:  Goddess Jasmine [ Mon Jul 05, 2010 13:30 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

kalmar wrote:
:facepalm: with a dash of "consult a qualified electrician".

This was putting the first bulb in...

Author:  Joans [ Mon Jul 05, 2010 13:31 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

kalmar wrote:
:facepalm: with a dash of "consult a qualified electrician".


I'm not dead yet, so I'll have a crack at fixing it (with the power off).

Author:  Joans [ Mon Jul 05, 2010 13:31 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

Goddess Jasmine wrote:
kalmar wrote:
:facepalm: with a dash of "consult a qualified electrician".

This was putting the first bulb in...


You couldn't get them in either.

Author:  markg [ Mon Jul 05, 2010 13:31 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

I think everyone needs to electrocute themselves just a little bit, at least once. It's formative.

Author:  kalmar [ Mon Jul 05, 2010 13:32 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

Joans wrote:
Goddess Jasmine wrote:
kalmar wrote:
:facepalm: with a dash of "consult a qualified electrician".

This was putting the first bulb in...


You couldn't get them in either.


LOL.
sorry

Author:  MaliA [ Mon Jul 05, 2010 13:32 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

markg wrote:
I think everyone needs to electrocute themselves just a little bit, at least once. It's formative.


Anytime I do any work with the mains I get a belt or two. I accept it is going to happen and get on with it.

Author:  Goddess Jasmine [ Mon Jul 05, 2010 13:33 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

Joans wrote:
Goddess Jasmine wrote:
kalmar wrote:
:facepalm: with a dash of "consult a qualified electrician".

This was putting the first bulb in...


You couldn't get them in either.

I didn't even try when I saw what happened to you!

Author:  DavPaz [ Mon Jul 05, 2010 13:33 ]
Post subject:  Re: Lighting/Ceiling Fan/Electrical help please

Ah, I remember my first electric shock, or rather, I don't

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