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Difference in Brightness Between # BUL10CB Backup Light and # BUL72CB Utility Light


Is this light going to be the same brightness as BUL72CB or brighter?


Expert Reply:

Both the # BUL10CB and the # BUL72CB are 10 diode lamps, and therefore neither lamp would really be brighter than the other. The main difference between the two is how the light is focused. Because the # BUL10CB lamp is DOT compliant as a back-up light, the light would be more diffused over a wider area. By contrast, the # BUL72CB which is NOT certified as a back up light would have the light more focused on a smaller area. Each lamp would output a similar amount of light, but the # BUL72CB would appear brighter because the lens of the lamp focuses the light on a smaller area.

The correct lamp for you will depend on what you were wanting to use it for an whether or not your trailer needs to be DOT compliant.

expert reply by:
Mike L

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