To perform an insulation resistance test of...

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Question 1 of 205eccefa4bacbc34ba4d483ff

To perform an insulation resistance test of an individual electric motor winding, where should the megohmmeter leads be connected?

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5eccefa4bacbc34ba4d483ff

To perform an insulation resistance test of an individual electric motor winding, where should the megohmmeter leads be connected?

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🔍 Key Concepts

• Purpose of an insulation resistance (megger) test on a motor winding • What part of the motor is considered ‘ground’ or ‘earth’ in this context • Difference between testing between conductors vs conductor to ground

💭 Think About

• Ask yourself: When checking the insulation quality of a winding, what exactly are you trying to see leakage to? Another conductor, or ground/frame? • Which connection choice actually tests if the winding is safely insulated from the metal parts a person could touch? • Eliminate any options that only measure resistance within the copper winding instead of between the winding and its surroundings.

✅ Before You Answer

• Verify which part of the motor is the metal, non-current-carrying part that should not have continuity to the winding. • Check which choice creates a test path from the live winding to that metal part to measure insulation resistance. • Make sure the selected option is consistent with standard practice: megger tests are usually done between conductor and ground, not just between two points on the same conductor.

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Question 1 of 205eccefa4bacbc34ba4d483ff

To perform an insulation resistance test of an individual electric motor winding, where should the megohmmeter leads be connected?

Back

Question 1 of 20

5eccefa4bacbc34ba4d483ff

To perform an insulation resistance test of an individual electric motor winding, where should the megohmmeter leads be connected?

No comments yet

Be the first to share your thoughts!

If the question has a related picture, it will appear here.

🔍 Key Concepts

💭 Think About

✅ Before You Answer

👋 Hi! I'm Genie, your AI study assistant. How can I help you with this question?

Quick actions

— No credit card needed