Light Bar Variations That You Could Consider For Emergency Lighting

By Author: Sunil Punjabi
Total Articles: 2554
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Light bars are used in emergency vehicles like patrol cars, tow trucks, construction and service crew carriers, fire engines, ambulances, trailers and heavy equipment carriers. There is plenty of variety available when it comes to a light bar. You will get light bars based on length. There are mini bars which are around 16 – 20 inches in length. These are compact bars used for smaller vehicles when the budget is quite small. Then there are medium length bars which are up to 48 inches in length. You can go for full length bars which could be more than 50 inches in length, sometimes even longer than 70 inches. These light bars are rich in features, but are highly expensive.

A light bar can have LED modules, xenon strobes and halogen light heads. It can have a mix of everything or it can purely be an LED bar making use of arrays of 1, 5 or 10Watt light emitting diodes. The LED bars are usually more energy efficient and cost effective largely because of their long operational life. The design of the light bars is modular, which means you have access to every component on the bar and you ...
... can replace those components by removing just a few screws. Ideally the best design allows you to easily upgrade the configuration whenever needed. It also enhances the reliability of the bar, as you can be assured that it wouldn’t let you down in a crisis situation. LEDs are known not to burn out without prior warning.

A good light bar usually has corner and linear LED modules, each with around dozen LEDs. Also, longer light bars have corner strobe light heads, which are sometimes arranged at an angle or in a staggered fashion to provide maximum coverage. An advantage with light bars is that you can operate the rear facing lights, front facing lights and corner and side facing lights independently. There is all bar operation control too, thus offering you ease of operation to control which lights should glow and which ones shouldn’t. This also helps in saving energy when you don’t need very intense or expansive light. Intensity control knobs are also present allowing you to use dimmer and cruise lighting modes apart from high intensity lighting, when bright light is not required.

A variety of other light bars are also available like rotator models which have slimmer bars capable of revolving 360 degrees for all round coverage. You can go for a light bar that comes with built in siren. The mounting patterns also vary. You have permanent mounting options like swivel or L brackets and temporary mounting options like a set of 4 magnets which have a good combined pull. light bars often have multi-coloured segments too with colour pairs like red and blue, green and amber and blue and amber. Special traffic advisor panels are present in some light bars which can show giant indicator arrows that can help in clearing chaotic or jammed areas by flashing signs that can be picked by motorists from a long distance.

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