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Everything You Need To Know About Voltage For Your Grow Light Installation

HPS grow light fixtures installed in a greenhouse showing electrical infrastructure

What voltage do grow lights need? Commercial fixtures run on 120V to 480V depending on the model. Many P.L. Light Systems LED fixtures accept 208-480V, and the best choice is the highest voltage your facility has available. This guide answers the electrical questions that come before any lighting decision, from single-phase versus 3-phase supply to fixture-by-fixture voltage ranges.

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