lairdb
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MonkSeal:UK SL4 is commonly used for this purpose and it is declared as 6V bulb but I wouldn't rely on this for backup purposes.
Why not? (DIR purism aside.)
--Laird
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MonkSeal:UK SL4 is commonly used for this purpose and it is declared as 6V bulb but I wouldn't rely on this for backup purposes.
lairdb:Why not? (DIR purism aside.)
--Laird