A letter inside the indicating-light circle in a ladder diagram is used to indicate the color of the switch: the capital letter ___ represents amber (yellow), ___ represents green, ___ represents red, and ___ represents blue

Electrical Engineering MCQ
1

A letter inside the indicating-light circle in a ladder diagram is used to indicate the color of the switch: the capital letter _______ represents amber (yellow), _______ represents green, _______ represents red, and _______ represents blue.

The color indicated denotes the color of the _________________ lens cover or button on the switch.

A) G; R; A; B; transparent
B) A; G; R; B; transparent
C) R; B; A; G; transparent
D) transparent; A; G; R; B

Show Answer

Answer:B

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