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Founded over 65 years ago, Keystone Technologies continues to evolve and grow their comprehensive line of highly reliable, electronic, magnetic, and HID ballasts. You will find Keystone products installed by many of the world’s leading lighting fixture manufacturers and contractors. They choose Keystone because of their quality, value and commitment to engineer only the best ballast products for…
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Over the years we have often heard customers complain that fluorescent light bulbs cause them to suffer from headaches. But was it really the bulbs? Or, was it simply the slight flickering of older ballasts going bad causing brief subtleties in the eye that was causing headaches, or could it be more than that?…