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20′ by 50′ bus building
Metal building has no vents and has door that rolls up in a roll up top. The lights are 8′ tubes up top inside of the building. Original bulbs still in for 16 years. If temp outside is about 65 the lights wont burn. If its colder out they all come on fine. I have turned them all several times to see if its a connection at the ends of the tubes but does not help. the tube will give me a little shock on the glass while turning. there is no signs of corrosion on any batteries or anything else on the bus but the light bulbs in the ceiling with the 2 prongs would not work untill i pulled them or just wiggle the bulbs. Anyone have an idea How to solve this?
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3 Replies
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your light bulbs (lamps) should be replaced every 2-3 years if you replace you will receive 100% more light. But it might be cheaper to buy new fixtures more effienct (t-8) because after 16 years your ballast will start to fail to costly to replace with the fixtures you have now.
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If your in a high temp swing climate cold hot moist I add a little diaelectric grease to prongs when installing bulbs to help maintain good contact. Do that to all bulbs in coach also. Maybe be old school. FWIW not in the book.
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Sounds like the Ballast are going bad.
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