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Welcome to the Dun-Bri Group Blog and Knowledgebase.

This is the help, support and knowledgebase site for Dun-Bri Group, the UK's only specialist and largest supplier of commercial and emergency vehicle lighting systems, Lite-wire and aftermarket parts.

We are international distributors of flashing beacons, lightbars, auto-electrical products, commercial spares, vehicle lamps and more.

Remember, you can contact us by telephone on +44 (0) 1763 274185, email us at sales@dun-bri.com, submit a question through our CONTACT US page or visit your local branch!

UN ECE R19, or Regulation No. 19 of the Economic Commission for Europe of the United Nations, is a regulation that specifies the requirements for front fog lamps for power-driven vehicles and their trailers. These devices are used to improve visibility in fog or other conditions of reduced

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This regulation applies to reversing lamps and other special lamps designed to aid with vehicle manoeuvring. For the purposes of regulation, a reversing lamp is classed as a light ‘designed to illuminate the road to the rear of the vehicle and to warn other road users that the vehicle is reversing or is about to reverse’.

Guides to ECE Regulations,E-Mark,ECE Regulation 23,Reverse Lamps,
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UN ECE R27, or Regulation No. 27 of the Economic Commission for Europe of the United Nations, is a regulation that specifies the requirements for advance warning triangles for power-driven vehicles and their trailers. These devices are used to warn other road users of a hazard ahead, such as a

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UN ECE R28, or Regulation No. 28 of the Economic Commission for Europe of the United Nations, is a regulation that specifies the requirements for audible warning devices for power-driven vehicles and their trailers. These devices are used to warn other road users of the presence of a vehicle,

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UN ECE R29, or Regulation No. 29 of the Economic Commission for Europe of the United Nations, is a regulation that specifies the requirements for head restraints for power-driven vehicles and their trailers. These devices are used to protect the occupants of vehicles from neck injuries in the

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UN ECE R31, or Regulation No. 31 of the Economic Commission for Europe of the United Nations, is a regulation that specifies the requirements for sealed-beam headlamps (SB) for power-driven vehicles and their trailers. These devices are used to provide forward illumination for

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UN ECE R37, or Regulation No. 37 of the Economic Commission for Europe of the United Nations, is a regulation that specifies the requirements for filament lamps for use in approved lamp units of power-driven vehicles and their trailers. These devices are used to provide illumination for

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This regulation applies to rear fog lamps for motor vehicles (excluding motorcycles) and their trailers, whether it is for a stand-alone lamp, or as part of a multi-function light. Each product is subject to test in terms of colour performance and light output, including where one of a pair of lamps fails – the minimum amount of light required is still emitted.

Guides to ECE Regulation,E-Mark,ECE Regulation 38,Rear Fog Lamps,
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UN ECE R48, or Regulation No. 48 of the Economic Commission for Europe of the United Nations, is a regulation that specifies the requirements for the installation of lighting and light-signalling devices on power-driven vehicles and their trailers. These devices are used to communicate with

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Some vehicle lighting products such as beacons, lightbars and directional LED light heads can be tested for their performance to conform to ECE Regulation 65, a supplementary regulation that tests light output and reliability in extreme conditions, accredited by an approved testing laboratory.

Guides to ECE Regulations,E-Mark,ECE Regulation 65,Beacons,LED Lighting,Lightbars,
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