XIC input in ladder logic is represented by which contact?

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Study for the Independent Electrical Contractors (IEC) Year 4 Test. Use flashcards and multiple-choice questions, each with hints and explanations. Prepare effectively for your exam!

Multiple Choice

XIC input in ladder logic is represented by which contact?

Explanation:
XIC stands for Examine If Closed and passes current when the input is energized. In ladder logic this is shown as a normally open contact tied to the input. A normally-open pushbutton is the classic example: it is open at rest and closes when activated, making the input true and allowing the rung to energize the next element. If you were using the inverse condition, that would be XIO (Examine If Open) with a normally closed contact.

XIC stands for Examine If Closed and passes current when the input is energized. In ladder logic this is shown as a normally open contact tied to the input. A normally-open pushbutton is the classic example: it is open at rest and closes when activated, making the input true and allowing the rung to energize the next element. If you were using the inverse condition, that would be XIO (Examine If Open) with a normally closed contact.

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