- Light up around warehouses, school, large building
- Again – yellow color – High pressure sodium (HPS)
- White color – metal halide (MH)
- Various wattages available from 50 watt to 400 watt
- Higher wattage can be mounted higher and farther apart
- Same wattage for bulb and transformer. See previous example
- LED light bulbs will be available soon that also will not use a transformer, saving more money!
Now available … Induction lights for parking lot lights and for wall packs (100,000 hours!) – less wattage and no maintenance for 20 years!