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LED

More than 1,500 LED lamps from Satco and Keystone Technologies, split roughly between the two brands. Satco's range is strongest in decorative, filament and colored LEDs, MR16 and PAR lamps, and Starfish smart bulbs. Keystone's strength is commercial lamps: LED T8 and T5 tubes, LED replacements for pin-based CFLs, and high-wattage HID replacements on EX39 mogul bases. Color temperatures run from 1600K amber filament lamps to 6500K daylight. When you upgrade from fluorescent or HID, check whether the LED works on the existing ballast (Type A), needs a ballast bypass (Type B) or can do both, because that decides the wiring. Each subcategory groups lamps by shape so you can compare like with like.

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