nuckolls.bob(at)aeroelect
Guest
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 Posted: Sun Jan 18, 2009 12:05 am Post subject: How to test new circuits using battery and protect circuit |
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At 01:10 PM 1/17/2009, you wrote:
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I have wired my wing lights and my heated pitot tube. I will soon
be installing the wiring in the fuselage.
My question is how do I power up and test circuits and/or systems
from my battery and still have short protection? Is there a device
or alternate power supply that I can use and be able to select some
circuit breaker value to protect the wires?
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Every "laboratory grade" power supply has an adjustable
current limit feature that can be used to power up
a system and dial-in whatever current limit you want.
Alternatively, make your first test of the system by
clipping a 10A fuse across the open battery contactor
with everything in the system turned OFF. If the
fuse doesn't pop, your fat wires are fine. From that
point on, you DO have short circuit protection in the
form of breakers/fuses installed for that purpose.
Bob . . .
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( . . . a long habit of not thinking )
( a thing wrong, gives it a superficial )
( appearance of being right . . . )
( )
( -Thomas Paine 1776- )
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