Electrician Red Seal · Question
What is the purpose of 'interlocks' in motor control circuits?
Interlocks are safety and sequencing devices that prevent undesired or unsafe operations. For example, they can prevent a motor from starting if a guard is open
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Question: What is the purpose of 'interlocks' in motor control circuits?
Answer options:
- To allow multiple motors to start simultaneously. ✅ To ensure that certain conditions are met before or during motor operation for safety or proper sequencing.
- To provide overload protection for the motor.
- To reduce voltage drops in the control circuit.
Correct answer: To ensure that certain conditions are met before or during motor operation for safety or proper sequencing.
Explanation: Interlocks are safety and sequencing devices that prevent undesired or unsafe operations. For example, they can prevent a motor from starting if a guard is open, or ensure motors in a production line operate in a specific order.
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