
 Originally Posted by 
tailslide
					 
				 
				Hi Col 110
The viewing arc is defined in the ADR for the direction indicator lamps (Australian Design Rule 13/00 Installation of Lighting and Light Signalling Devices on other than L-Group Vehicles, Appendix A ? UNECE R48/02) and is stated as 45deg either side of the front if side lamps are fitted. 
This arc must be free of obstructions to be compliant. "To be considered visible, the lamp must provide an unobstructed view of the apparent surface of at least 12.5 square centimetres..."
Under the Supplementary General Requirements section they state:
"Where the installation of equipment or accessories for operational reasons invalidates the compliance of lamps originally fitted in accordance with this vehicle standard, additional lamps must be fitted to maintain compliance." I believe that this is why ARB have the repeater lamps set in their bars.
I was keen on buying the same bar as Lonerangers in the previous post, however I'm swayed towards the ARB bar as I can't see how this bar complies with the lighting requirement.
My concerns are more around insurance clauses in case of an accident. I wouldn't want my vehicle to be deemed non road worthy. On the over hand I wouldn't expect to get pulled over on the road side.
I don't really like the ARB bar as it eats into your approach angle, on my old D2 I called it the plough...
Maybe ARB are just being cautious. Anyway, I'll have to decide one way or the other soon...
Cheers
Ron
			
		 
	
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