Frequently asked questions

  • How does this compare to GGJIA's White Series 150W?

    The HB Black Series is a **fixed-wattage commercial fixture** designed for permanent installation where a specific 150W output is required. The White Series is an **adjustable-wattage variant** with 90W/120W/150W selectable on-site. Choose HB Black if your design specifies 150W; choose White Series if you want flexibility to dial in the right output during installation.

  • Does this fixture qualify for utility rebates?

    Yes. It's DLC Premium qualified, eligible for rebates in all major U.S. utility programs (ConEd, PG&E, FPL, Eversource and most municipal utilities). The DLC Product ID is printed on every invoice. Typical rebate is $50–$200 per fixture. Email support@ggjia-led.com with your zip code for utility-specific rebate amounts.

  • What replaces 400W metal halide?

    This 150W LED produces 22,500 lumens vs a typical 400W metal halide HID producing 30,000 initial lumens (degrading to ~21,000 lumens after 5,000 hours). At 5 years of operation, the LED actually produces more usable light than an aging HID at less than half the wattage. For 400W HID retrofit, this 150W LED is a direct replacement.

  • Does it work in cold storage / freezer environments?

    Yes. Operating temperature range is −22°F to 122°F. The fixture starts and operates without flicker in freezer applications (below 0°F). For cold storage, choose hook or chain mounting for easy access during maintenance.

  • How is this installed in a permanent commercial application?

    The 6-ft 3-prong plug is intended for tool-free testing only. For permanent installation, cut the plug, route the SO-cord through conduit, and connect to a 100-277V branch circuit. The driver accepts any voltage in this range. A licensed electrician should perform permanent installation per NEC Article 410 and local codes.

  • Can I daisy-chain multiple fixtures from one outlet?

    For temporary plug-and-cord installations, the 5-15P plug supports daisy-chaining via outlet adapters or extension cords. For permanent commercial installations, each fixture is on its own branch (or hardwired in series) per the electrical plan. The driver does not have an integrated pass-through outlet.

  • How long is the lead time?

    For 1–9 unit orders: ships within 1–3 business days from our Spokane, WA fulfillment point. For 10+ units (wholesale tier pricing), in-stock SKUs ship within 3 business days. For project orders of 100+ units that may require fresh production, lead time is 2–4 weeks. Contact sales@ggjia-led.com for project quotes.

  • Is the dimming circuit compatible with all 0-10V controllers?

    Yes. The 0-10V circuit follows the standard 0-10V dimming protocol used by Crestron, Lutron, ABB, Wattstopper and most other commercial dimming controllers. Compatible with the GGJIA 0-10V Dimmer Switch or any third-party 0-10V controller.