New York State Master Electrician Practice Exam

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Study for the New York State Master Electrician Exam. Prepare with detailed questions and thorough explanations. Boost your confidence and ace your exam!

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Practice this question and more.

When installing cables or nonmetallic raceways through wood members, the edge of the bored hole must be at least how far from the nearest edge of the wood member?

1 inch
1 and 1/4 inches
1 and 1/2 inches
2 inches

The correct answer is: 1 and 1/4 inches

The requirement for the edge of the bored hole to be at least 1 and 1/4 inches from the nearest edge of the wood member is based on safety regulations and the principles of electrical installation. This distance is established to prevent potential damage to the cable insulation and to reduce the risk of electrical hazards such as short circuits or fire due to exposed wiring. When installing cables or nonmetallic raceways, maintaining this proper clearance helps to ensure that if the wood member shrinks, swells, or is subject to cutting or nail penetration, the integrity of the cable or conduit is preserved. This spacing also complies with the National Electrical Code (NEC) standards which reflect industry best practices for safe electrical installations in residential and commercial settings. Thus, adhering to this requirement helps promote safety and reliability in electrical installations, minimizing the risk of property damage or personal injury.