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Question: 1 / 400

Outdoor lighting installations exceeding what voltage are subject to clearance requirements outlined in NEC 225.7?

100V

120V

The clearance requirements outlined in NEC 225.7 specifically apply to outdoor lighting installations that exceed a voltage of 120V. NEC 225.7 addresses the necessary clearances from buildings and structures to ensure safety and reduce hazards associated with electrical installations. This regulation is important because excess voltage can increase the risk of electrical arcing and potential fire hazards, necessitating specific precautions in terms of clearances.

When installations operate above this voltage, the National Electrical Code establishes standards to maintain safe distances from navigable areas and structures, minimizing risks to both electrical workers and the public. Understanding the specific voltage threshold is crucial for compliant and safe outdoor electrical installations, particularly for electricians tasked with planning and executing these projects.

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150V

200V

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