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Fog Light Colour,
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 Moderated by: Tom James, MOTman, KevG Topic closed

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Spunkymonkey
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Mana: 
 Posted: Mon Dec 19th, 2011 06:31 pm
Hi Simsonandsomenumbers :) 

The lighting requirements for vehicles are contained in the Road Vehicle Lighting Regulations 1989:

http://www.legislation.gov.uk/uksi/1989/1796/contents/made

Specifically, the schedules to the regs give any specifications that are required for both obligatory lamps and for "recognised" optional lamps such as front fog lights in terms of things like number, positioning and colour.  For front fogs (schedule 6) the colour is specified as being white or yellow:

http://www.legislation.gov.uk/uksi/1989/1796/schedule/6/made

so anything else would be in breach of the regulations.


Also, Regulation 11:

http://www.legislation.gov.uk/uksi/1989/1796/regulation/11/made

places general restrictions on what colours may be used for lamps.  Basically this regulation comes down to:

NO red light can be visible from the front
NO light OTHER THAN red can be visible from the rear except:
    indicators (yellow),
    number plate illumination - reflected or an illuminated plate (yellow) but NOT direct
              white light from the bulbs,
    a WHITE interior light. 

So you can have a coloured interior light PROVIDED that none of the light from it is visible from the rear or you can have a red interior light PROVIDED that none of it is visible to the front (probably impossible to arrange).

Note that, since they specifically mention yellow light to the rear reflected from a number plate, it's likely (though not guaranteed - the lawyers would have to argue it) that the interior light restriction to the rear would be held to include any light reflected backwards from wing mirrors!

simpson7647
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Mana: 
 Posted: Sun Dec 18th, 2011 03:48 pm
Thanks for the reply.

Yeah I understand you all have better knowledge with MOT's etc and appreciate all your help.

Do you know if that website is official?

If not, does anyone know of any official websites stating that?

Many thanks,

martins
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Mana: 
 Posted: Fri Dec 16th, 2011 08:35 pm
It's not really MOT stuff, as KevG said - so we have no real authority on the subject - not that we don't try to be heplful, but we if stick to our knitting we won't misinform.

simpson7647
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Mana: 
 Posted: Fri Dec 16th, 2011 05:44 pm
Thanks Martins,

Is that site official?

I'm interested in this part:

'ANY COLOUR
for interior lighting
for registration plate lighting
for taxi meter lighting
for bus route sign lighting
from a traffic sign attached to a vehicle
any colour from the reflectors on a wheel of a cycle, motorbike or invalid carriage'

So you can legally have any colour interior light?

Thanks,

martins
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Mana: 
 Posted: Fri Dec 16th, 2011 11:49 am
This might help, but there's plenty of other stuff on the web if you search.

http://www.ukemergency.co.uk/index.php?option=com_content&view=article&id=52&Itemid=61#slr

simpson7647
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Mana: 
 Posted: Fri Dec 16th, 2011 11:41 am
Thanks for the reply,

Anyone know of a website stating the below?

Thanks,

martins
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Mana: 
 Posted: Fri Dec 16th, 2011 08:07 am
I think blue lights might get you a tug from the bill.

simpson7647
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Mana: 
 Posted: Thu Dec 15th, 2011 08:03 pm
Thanks very much for the reply much appreciated,

Do you know of any official website that states the below about front fog lights?

Many thanks,


PS Kev, were you referring to fog lights?

Last edited on Thu Dec 15th, 2011 08:04 pm by simpson7647

KevG
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Mana: 
 Posted: Thu Dec 15th, 2011 07:54 pm
Thats a good one. Its a bit odd. Front fog lamps are not "mandatory" so are not tested. Just like for example the rear wiper on a hatchback or even reversing lamps. None of these are in the testers manual per se.

However as Big E says if the lenses are damaged and sharp, then we would be looking to fail the vehicle.

Heres a little known fact. If you removed the lights from your car (or masked them up) it could still pass an MOT.

Lights are not required as such. But this may open a whole new thread!!


Kev

simpson7647
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Mana: 
 Posted: Thu Dec 15th, 2011 07:46 pm
haha thank you Kev,

I'm not going to have blue fog lights but was wondering upon the laws. Yeah, that totally makes sense and the police wouldn't be too nice about blue fog lights either.

Is there anywhere in writing on an official website that states that front fog lights are not tested please?
As I am yet to find out stating this.

many thanks,

KevG
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Mana: 
 Posted: Thu Dec 15th, 2011 07:43 pm
I Knew this was coming!

Yes if you have blue front fog lights you will not fail the MOT


However if you turn them on whilst on the road, you are in contravention of construction and use laws. #

MOT and Construction and use are not the same!



Kev

simpson7647
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Mana: 
 Posted: Thu Dec 15th, 2011 07:31 pm
Hello all and thank you for the welcome and thank you for the reply!

SO I could have blue front fog lights and they cant fail the M.O.T?

Many thanks indeed,

KevG
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Mana: 
 Posted: Thu Dec 15th, 2011 07:28 pm
Hi Ryan. Front fog lamps are not a testable item

big..E.
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Mana: 
 Posted: Thu Dec 15th, 2011 07:27 pm
Hi and welcome to the Forum..

Rear Fog lights are tested not front ones...Obviously the Rear ones (Offside is mandatory) must be RED in colour..Front Fog's are not part of the MOT rest(but make sure the lenses have no jagged edges ;)) ...

simpson7647
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Mana: 
 Posted: Thu Dec 15th, 2011 06:47 pm
Hi all, I'm asking will my vehicle fail it's m.o.t due to the output colour of the foglight.

I believe you can have yellow and white output for the foglights but how is this tested please?

Please let me know if you need any more info etc.

Kind regards,

Ryan


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