currently, orange, yellow, and blue are used by manufacturers for circuit voltages higher than __…

currently, orange, yellow, and blue are used by manufacturers for circuit voltages higher than __ volts.\n\no a. 10\no b. 12\no c. 14\no d. 15
Answer
Brief Explanations:
In electrical - circuit color - coding standards, orange, yellow, and blue are used by manufacturers for circuit voltages higher than 12 volts.
Answer:
B. 12