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Light output for an HID fixture is measured differently than for an LED fixture. HID fixtures are measured on the light source level and do not account for light losses due to reflector losses, optical losses and upward light losses (which can be as much as 40% of the fixture’s original output.) The LED fixtures’ light levels are evaluated on a whole-fixture level and take into account optical and reflector losses. It is difficult to compare HID fixtures with LED fixtures when comparing only lumens and not taking actual real-world light levels into consideration.

Unlike the button photocell the stem photocell is capable of being installed directly to a light fixture as well as remotely. The stem photocell mounts much like the button photocell but is typically larger with a longer sensor stem. A dimming power supply compared to a non-dimming power supply will have 2 additional communication wires. When it comes to dimming controls, as stated above the most common commercial dimming power supply is 0-10v.

The PGS and PGR parking garage light fixtures are a great solution for parking garage applications. The products offer energy-efficient, bright lighting that helps make car parks and garages safer. Visibility is improved and glare is reduced because of the advanced LED optical design which spreads light in a wide, uniform pattern. The PGS and PGR Series both feature die-cast aluminum construction and feature a shatterproof, UV resistant polycarbonate lens.

Check out our DOCK light fixture! This fixture is perfect for lighting up the interior of semi trucks, cargo containers and more. It increases workplace safety and efficiency. The DOCK series LED light fixture can be ordered with a mounting arm that allows the light fixture to be aimed and positioned.