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[RFI] LED lighting fixtures -

To: rfi <rfi@contesting.com>
Subject: [RFI] LED lighting fixtures -
From: HP <pfizenmayer@q.com>
Date: Mon, 24 May 2021 02:40:18 -0400 (EDT)
List-post: <mailto:rfi@contesting.com>
I have 4 two tube 50+ year old T12-30 36 inch fixtures that have the old 
magnetic ballasts - 
one has a failed ballast and looking for magnetic replacement ballasts looks 
like they are close to non- obtainium. There are plenty of "electronic" 
replacement ballasts - 

Philips Advance Ballast RELB-2S40-N 
3.6 Ballast shall comply with the requirements of the Federa l Communications 
Commission (FCC) rules and regulations, Title 47 CFR part 18, Consumer (Class 
B) for EMI/RFI (conducted and radiated) 
2.5 Ballast shall be high frequency electronic type and op erate lamps at a 
frequency above 42 kHz to avoid interference w ith infrared devices and 
eliminate visible flicker. 

I read the paper by W1MG on Home Depot selling "industrial " ballasts vs 
"residential" but nowhere does it say a "residential" ballast is in fact RF 
quiet in our uses. 

Anyone know if if this Phillips RELB-2S40N is quiet . Are there any brands/part 
numbers of "electronic" ballasts known to be RF quiet ? 


Hank K7HP 


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