Motors Command - skipping #3 on an x-quad

Hey folks,

I'm in the process of building my first quad.  I've been flying RC for just over six years, so I'm fairly well acquainted with most everything involved with a quad - save the FC.  I'm in the home-stretch and need some input from the experts

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Receiver Power - from the APM?

Guys (and Gals),

Please forgive my naiveté, I'm building my first quad around the APM flight controller.

Assuming I remove the power leads from all (except one) ESC, where does the receiver get its power?  Does it automagically get power from the APM o

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