Author Topic: What is the best blink happy ballast for a F20T12 fixture?  (Read 252 times)
davidnonledfan
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What is the best blink happy ballast for a F20T12 fixture? « on: May 13, 2022, 11:51:56 PM » Author: davidnonledfan
I have bought myself a F20T12 fixture and it has a Magnetek RS ballast in it but I want to convert it possibly to preheat, what are the suggestions of what ballast I should use?
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19 and single but I am happy! I have a fascination with fans since I was 2, lighting since I was 9 and I won't ever change.

funkybulb
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Re: What is the best blink happy ballast for a F20T12 fixture? « Reply #1 on: May 14, 2022, 12:20:18 PM » Author: funkybulb
Well i have some good news preheat ballast is Getting expensive  and harder to find.   First measure the voltage between the red and blue and see if u get at least 200 volt or better open circuit.  If this correct then it be estentally a Single lamp F40 ballast with extra
 Cathode heating.  What u do disconnect yellows and one of red and
 Blue wire.   And put starters across each pins on each end of the two lamps.  Just wire rest in series.   Then u got your self a series
2 lamp preheat out of a rapid start ballast.
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No LED gadgets, spins too slowly.  Gotta  love preheat and MV. let the lights keep my meter spinning.

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