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- 21:19, 21 February 2021 Twentytwo22 talk contribs uploaded File:Ac-bell-modern-panel-circuit.png (The circuit designed by Twentytwo22 to control his 120VAC Edwards 438D with his Quickstart. The diode is required to keep the panel from going into NAC fault due to the way NACs work. As polarity is reversed in alarm.)
