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AE 325
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For the past month I have been noticing AE 325 with 250 watt HPS being used as some newer installations (like the traffic light intersections) and some replacements that had replaced the smaller cramped 250 watt fixtures.
Hopefully MD State or SHA has decided to start using more power door fixtures and use bigger fixtures for 250 watt HPS, this will really make the lamp life longer, and using powerdoors can save you money and better for environment!
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Powerdoors are also a good idea but my area rarely uses them anymore