Having a circuit or circuits; arranged or connected in a circuit path.
From circuit with the past participle suffix -ed, suggesting something that has been formed into a circuit. This adjective indicates a completed state of being arranged circuitously.
The past participle -ed can describe both completed actions and current states: 'a circuited board' means a board that has been arranged with circuits, and it's now that way permanently. English reuses the same ending for two different jobs.
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