What size are the screws on the rear connectors of the Tyco circuit breakers W23?
W23 series circuit breakers have 8-32 threaded screws on the terminals.
Are the Tyco WS23 circuit breakers FAA PMA?
These breakers do not have FAA PMA approval on their own. Many certified aircraft have these breakers as OEM and thus are approved under the airframe approval as replacement parts. Please discuss with your A&P to see if these can be installed legally in your aircraft.
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