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NFPA 70B & Electrical Preventive Maintenance: Understanding the Role of Thermal Imaging – SS1079IE (14 Min.)

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1

Infrared thermography allows trained personnel to see temperature differences that are invisible to the human eye.

True
False

2

Some heat in electrical equipment is normal, but excessive heat may indicate a developing problem.

True
False

3

A thermal image always identifies the exact cause of an electrical problem.

True
False

4

Under NFPA 70B, equipment rated Physical Condition 3 requires inspection every six months.

True
False

5

Anyone who knows how to operate an infrared camera is automatically qualified to perform a professional electrical inspection.

True
False

6

The purpose of preventive electrical maintenance is to identify and correct problems before they cause equipment failure or create a safety hazard.

True
False

7

Which of the following may cause abnormal heat in electrical equipment?

Loose connections
Overloaded circuits
Corrosion
All of the above

8

What does NFPA 70B call a written program for managing electrical equipment maintenance?

Electrical Maintenance Program
Electrical Repair Schedule
Thermal Inspection Plan
Equipment Safety Checklist

9

Which information should be documented as part of an NFPA 70B 9-Point Test Record?

Inspection date
Equipment identification
Inspection findings and recommendations
All of the above

10

What is one major benefit of regularly performing infrared inspections?

They eliminate the need for all other electrical maintenance
They help identify developing problems before equipment fails
They allow electrical equipment to operate without inspections
They automatically repair overheated components