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Multiple Choice

Outputs on a ladder diagram are wired in parallel with each other. In ladder logic, if outputs are connected so that multiple paths allow current, this arrangement is described as?

When outputs are wired in parallel, there are multiple paths for current to reach the output. In ladder logic, this means the output coil can energize if any one of those paths is closed, yielding an OR-type behavior. This contrasts with a series arrangement, where every condition must be true to complete the circuit (AND behavior). A mixed series-parallel setup combines both patterns, and isolated paths have no shared energizing path. So, when multiple paths allow current to reach the output, the configuration is described as parallel.

When outputs are wired in parallel, there are multiple paths for current to reach the output. In ladder logic, this means the output coil can energize if any one of those paths is closed, yielding an OR-type behavior. This contrasts with a series arrangement, where every condition must be true to complete the circuit (AND behavior). A mixed series-parallel setup combines both patterns, and isolated paths have no shared energizing path. So, when multiple paths allow current to reach the output, the configuration is described as parallel.