What should be done when performing...

Study

Question 1 of 205eccefa4bacbc34ba4d4830d

What should be done when performing maintenance of circuit breaker contacts?

Back

Question 1 of 20

5eccefa4bacbc34ba4d4830d

What should be done when performing maintenance of circuit breaker contacts?

No comments yet

Be the first to share your thoughts!

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

🔍 Key Concepts

• Purpose of circuit breaker contacts during opening/closing under load • Good vs. bad practices for cleaning electrical contacts • Effects of abrasives, oil, and filing on contact resistance and reliability

💭 Think About

• Think about which action helps you detect problems without changing the shape, material, or electrical characteristics of the contacts. • Which options might actually increase resistance, arcing, or overheating instead of improving operation? • Ask yourself: which step would a careful electrician use as a first step in maintenance, before deciding on any repair or replacement?

✅ Before You Answer

• Which choice involves only observation/assessment, not altering the contact surface? • Which options could leave residue or altered surfaces that interfere with good electrical contact? • Which actions might be specifically warned against in manufacturer electrical maintenance instructions?

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

Quick actions

— No credit card needed

Study

Question 1 of 205eccefa4bacbc34ba4d4830d

What should be done when performing maintenance of circuit breaker contacts?

Back

Question 1 of 20

5eccefa4bacbc34ba4d4830d

What should be done when performing maintenance of circuit breaker contacts?

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