What is a Halide Fixture?
A halide fixture is a light fitting built for a metal-halide lamp, with a ballast to control the lamp's current.
Definition
Purpose
The output suits places where lights sit well above the working area. Warehouses, factory floors, and sports grounds have used these fixtures to cover large spaces from relatively high mounting points.
Examples of Use
- Warehouses: High-bay lighting above storage aisles and work areas.
- Sports Grounds: Floodlighting for courts and playing fields.
- Parking Lots: Pole-mounted lighting beside parking bays and access lanes.
- Industrial Buildings: Wall packs beside loading doors and other service entrances.
Related Terms
Notes
- These lamps take a few minutes to reach full brightness. If power fails, a hot lamp may need to cool before it can light again, causing a restrike delay.
- Rated life varies, with many lamps listed at 12,000 to 20,000 hours. Match a replacement to the specified wattage, lamp type, operating position, and ballast.
- Some lamps require an enclosed fixture to contain broken pieces if the arc tube fails. Check the lamp's requirements.
- LED options generally last longer and come on immediately. Some advertise power savings of 50% to 75%. Check that comparisons use equivalent light levels and distribution, with ballast consumption included.
- A retrofit LED may keep the existing ballast or require it to be bypassed or removed. Follow that product's instructions, or consider replacing the whole fixture.
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