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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!

Under the Licensing of Aerodromes regulations, as written by the Civil Aviation Authority, there is a requirement under Chapter 4, Section 12, Sub-section 11, to light all vehicles that enter the movement area of an airport, airfield or similar.

Airport Beacons,Airport Lightbars, CAP 168 Regulations,Civil Aviation Authority,
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This regulation applies to retro-reflectors for power-driven vehicles and their trailers, and relates to stand-alone reflectors or those built into other light units, such as combination or multi-function lights.

E-Mark,ECE Regulation 3,Guides to ECE Regulations,Reflectors,
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ECE Regulation 4 applies to number plate lighting for power-driven vehicles and their trailers, whether it is for a stand-alone number plate light, or as part of a multi-function light.

E-Mark,ECE Regulation 4,Guides to ECE Regulations,Number Plate Lighting,
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Directional indicator lamps and side repeaters are covered by ECE Regulation 6. This applies whether an individual lamp, part of a headlamp or multi-functional lamp (such as rear cluster light).

Directional Indicators,E-Mark,ECE Regulation 6,Guides to ECE Regulations,Indicator Lights,
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This regulation 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.

Brake Lights,E-Mark,ECE Regulation 7,Front Marker Lights,Guides to ECE Regulations,Outline Marker Lights,Position Lights,Rear Marker Lights,Side Lights,Stop Lights,
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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’.

E-Mark,ECE Regulation 23,Guides to ECE Regulations,Reversing Lights,
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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.

E-Mark,ECE Regulation 38,Guides to ECE Regulation,Rear Fog Lights,
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Parking lamps are covered by ECE Regulation 77. This applies whether an individual lamp, part of a headlamp or multi-functional lamp (such as rear cluster light). Where a pair of parking lamps are fitted, should one fail the other must be able to maintain the minimum light intensity as required.

E-Mark,ECE Regulation 77,Guides to ECE Regulations,Parking Lights,
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This regulation applies to side marker lights for motor vehicles (excluding motorcycles) and their trailers, whether it is for a stand-alone lamp, or as part of a multi-function light. Their primary function is to be used to indicate the presence of the vehicle when view from its side. For front and rear marker lights, see ECE Regulation 7.

E-Mark,ECE Regulation 91,Guides to ECE Regulations,Side Marker Lights,
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While this regulation applies to the technical requirements of vehicle conspicuity tapes, also known as contour tapes, and their performance – it does not mandate their use, and how to use them.

Conspicuity Tape,Contour Tape,E-Mark,ECE Regulation 104,Guides to ECE Regulations,RLVR,Road Vehicle Lighting Regulations,Tanker Tape,
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