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Regulations, wiring diagrams and interference relating to semi-trailer lighting. Explained by the lighting specialists at TRALERT®.
Regulations & testing 30
- ArticleRegulations for additional reversing lights, manoeuvring lights and work lights on O4 vehiclesSemi-trailers · Agricultural & construction machinery
- ArticleRegulations for additional reverse lights, manoeuvring lights and work lights on O3 vehiclesSemi-trailers · Agricultural & construction machinery
- ArticleConnecting flashing beacons, warning lights and other signalling devices to a single controllerTrucks · Semi-trailers · Commercial vehicles · Agricultural & construction machinery
- ArticleSide markings on a semi-trailer: which regulations apply here?Semi-trailer
- ArticleRegulations on side-marker lights for semi-trailersSemi-trailer
- ArticleOversized loads in Germany: maximum lengths and lighting requirementsTrucks · Semi-trailers
- ArticleMarker lights with indicator function for long vehicles in Germany (2026)Trucks · Semi-trailers
- ArticleWhat are the requirements for amber lighting on 24V trailers?Trucks · Semi-trailers
- ArticleEU type approval vehicle lighting: what you need to knowTrucks · Semi-trailers
- ArticleHow about amber (yellow) lighting on trucksTrucks · Semi-trailers
- ArticleRegulations on lighting for trucks and semi-trailers in EuropeTrucks · Semi-trailers
- ArticleHere’s what you need to know about side markings on semi-trailers: mounting & regulationsSemi-trailer
- ArticleAll about side marking on trucksTrucks · Semi-trailers
- ArticleCertified lighting for vehicles: what about it?Trucks · Semi-trailers
- ArticleSecond number plate position mandatory for heavy trailers and semi-trailers from July 2026Semi-trailer · Trailer
- ArticleImplementing regulation (EU) 2024/883: impact on semi-trailer lightingSemi-trailer
- ArticleFitting instructions for dual number plate positions (O3 and O4 trailers)Semi-trailer · Trailer
- ArticleCOC damaged by a double number plate: is this the time to review your lighting?Semi-trailer
- ArticleAdjusting the COC due to the double number plate: how to get the most out of itSemi-trailer
- ArticleLighting in heavy transport: regulations and practical tipsTrucks · Semi-trailers
- ArticleWhat lighting requirements apply to mobile work vehicles (category U)?All vehicles
- ArticleWhich ECE Regulation does my vehicle fall under?All vehicles
- ArticleCISPR 25 Classes 1 to 5: What does this EMC standard mean for vehicle lighting?All vehicles
- ArticleThe difference between ECE R48 and R148 explainedAll vehicles
- ArticleUN ECE standards and legislation: for vehicle lightingAll vehicles
- ArticleWhy ECE certification does not automatically mean that you can also carry itAll vehicles
- ArticleVehicle categories O & N explained: from vans to heavy semi-trailersAll vehicles
- ArticleAre you allowed to have blue flashing lights?All vehicles
- ArticleLegislation and number plate lightingAll vehicles
- ArticleWhat is a ce mark? and what should you look out for?All vehicles
Connections & cabling 8
- ArticleTrends & innovations for 24 Volt trailer manufacturing 2026Semi-trailer
- ArticlePractical tips for a 24V vehicle lighting systemTrucks · Semi-trailers
- ArticleThree ways to reduce trailer lighting installation time by 40%Semi-trailer
- ArticleConnecting 24V semi-trailer lighting: practical tipsSemi-trailer
- ArticleStaff shortage in bodybuilding: why efficiency is becoming more important than everSemi-trailer
- ArticleCalculating cable gauge for vehicle lighting: how to make the right choiceAll vehicles
- ArticleMale vs female connector: how can you tell the difference?All vehicles
- ArticleWhat to pay attention to when mounting your work lightsAll vehicles
Lighting & visibility 14
- ArticleSignal Road Projection: signalling visible on the road surfaceTrucks · Semi-trailers
- ArticleRound, square or rectangular LED rear lights: which shape suits your truck, semi-trailer or trailer ?Truck · Semi-trailer · Trailer
- ArticleKingpoint Trailer light | The dynamic semi-trailertSemi-trailer
- ArticleThe 5 best LED rear lights with dynamic indicator lightSemi-trailer · Trailer
- ArticleFlood beam, spot beam or combo beam: which beam pattern will you choose?All vehicles
- ArticleSafe roadside workAll vehicles
- ArticleLED Work lights: this is why operational certainties are more important than the purchase priceAll vehicles
- ArticleWhich LED work light should you choose for your vehicle? Practical selection aid for professionalsAll vehicles
- ArticleBlue light on forklifts, what does this blue light do?All vehicles
- ArticleBrake light and rear light, what's the difference?All vehicles
- Article7 ways to enable safe forklift operationAll vehicles
- ArticleLow sun: how to avoid glare on the roadAll vehicles
- ArticleWhy do we call round LED rear lights 'hamburger lights'?All vehicles
- ArticleLED rear lights in winter weather. What should you pay attention to?All vehicles
Troubleshooting 5
- ArticleInterference with truck and trailer lighting: diagnosis and solutionsTrucks · Semi-trailers
- ArticleDamage and interference with semi-trailer lighting: why repairs often take longer than expectedSemi-trailer
- ArticleWhy are my LED lighting units flashing? Causes and solutions for CAN-bus interferenceAll vehicles
- ArticleIs your LED lighting interfering with the radio? Cause and solution (EMC, ECE R10)All vehicles
- ArticleCanbus-proof LED lighting: what does this mean in practice?All vehicles
Technology & materials 8
- ArticleWhat IP value is required for vehicle lighting?All vehicles
- ArticleHow do you recognise a high-quality LED work light?All vehicles
- ArticleWatts vs lumen: what is the differenceAll vehicles
- ArticleWaterproof LED side marker lightsAll vehicles
- ArticleWhat does 'watt' stand for and why is it of value in work lights?All vehicles
- ArticleHalogen and LED: what are the differences?All vehicles
- ArticleHow does LED lighting work?All vehicles
- ArticleThe differences between LED work lights and Halogen work lightsAll vehicles
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