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Panelboard Safety Matters

Understanding the requirements of Sec. 408.3 of the NEC

Code updates happen for one main reason: safety improvement. National Electrical Code (NEC) Sec. 408.3 helps take electrical safety for service entrance panels to a new level. The 2017 NEC includes provisions to provide shock protection via panelboard barriers. The barriers protect from energized conductors on the line terminals of the main overcurrent protection device (OCPD) in a panelboard. When the main circuit breaker in a panel is turned off, line side terminals and conductors remain

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