- Basic Concept of HID Lamp
- The Carbon Arc Lamp
- Mercury-vapor lamp
- The High Pressure Sodium Lamp (HPS)
- The Metal Halide Lamp (MH)
- HOW IT WORKS: HPS GROW LAMP
- High Intensity Light Bulbs-How it’s made
- HID Headlights: What They Are & How They Work
- HID Metal Halide Ballasts
- How to wire ballast
- Grow Lights Explained: High Pressure Sodium (HPS)
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