More and more safety-minded companies are turning to LED dock lights to ensure the interiors of semi-trailers parked at the loading dock are well lit when they’re being loaded and unloaded. And with good reason: they provide better quality light when compared with lights that use incandescent bulbs — and they save energy. The only challenge is to choose wisely, which isn’t as straightforward as it seems given the breadth of choices available. Here are six basic questions to ask about LED dock lights, along with answers, to help keep materials moving safely and efficiently at the dock — and do so cost-effectively for years to come.

 1. How can I judge the dock light’s performance?