NCCER Electrical Certification Practice Test 2025 – Complete Exam Prep

Question: 1 / 400

What is the classified location where combustible fibers may be present?

Class II Division I

Class III Division I

The classified location where combustible fibers may be present is identified as Class III Division I. In this classification, the presence of combustible fibers or flyings signifies a potentially hazardous condition. These materials can ignite and create a fire hazard, especially in areas where they can accumulate.

Class III locations are defined specifically for places that can contain ignitable fibers or particulate solids. Division I indicates that the accumulation of these combustible materials can happen under normal operating conditions, making it critical for equipment and practices in such areas to be designed to prevent ignition.

Understanding these classifications is vital for ensuring safety in environments that handle materials prone to combustion. This knowledge helps in selecting the appropriate equipment and safety measures necessary to mitigate risks associated with combustible fibers.

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Class I Division II

Class II Division II

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