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Summary of Lamps Affected by 2012 DOE Standards
New standards are based on EFFICACY – higher lumens per watt and higher CRI ratings
T12s Majority of 4’ lamps fail All U-Bents fail 110W 8’ HO lamps fail
T8 700 Series Fail
T5 All pass
Key Points
T12s are everywhere The further they are from a metro area the less they’ll be sought out for upgrades
You can make the difference And while you’re at it:
Every old-technology metal halide high-bay light in your service area could be replaced by T5 or T8 fluorescent fixtures and save 40-60% power
Upgrading one 400W metal halide fixture can do as much as upgrading 5 or 6 4-lamp T12 troffers