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Incandescent bulbs are labeled and classified by their electricity consumption. It's literally in the product description: 40W bulb, 60W bulb, 100W bulb, etc.
by barrkel 7y ago
Incandescent bulbs are labeled and classified by their electricity consumption. It's literally in the product description: 40W bulb, 60W bulb, 100W bulb, etc.
- simonh 7y agoCost is based on both consumption and efficiency, not consumption alone because with a more efficient bulb you can illuminate a given area with fewer bulbs.
- KC8ZKF 7y agoThe cartel disbanded in 1939. Were the bulbs labeled and classified by power consumption before then?
- readams 7y agoyou need to know watts and lumens. It's not rocket science.