Which statement best describes how limit controls are depicted on schematic diagrams?

• A. Shown as color-coded status icons.
• B. Shown as normally closed, normally open, in their energized position, or in their de-energized position.
• C. Not represented on schematics.
• D. Shown as normally closed, normally open, in their energized position, or in their de-energized position.

Answer: (D)