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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!

The UN ECE R7, or Regulation No. 7 applies to front and rear position lighting (side lights), stop (brake) lights and end-outline marker 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. For side marker lights, see the certification guide on ECE Regulation 91.

Guides to ECE Regulations,E-Mark,ECE Regulation 7,Front Marker Lights,Outline Marker Lights,Position Lights,Rear Marker Lights,Brake Lights,Stop Lights,
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Complete vehicles or electronic sub-assemblies, such as warning beacons, alarm systems and high-mounted brake lights must be tested to conform with ECE Regulation 10, in addition to other regulations covering the particular item’s use.

Guides to ECE Regulations,E-Mark,ECE Regulation 10,Electro-magnetic Compatibility,Vehicle Electrical Safety,
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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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