Standards Publication

General Instructions for Proper Installation, Operation and Maintenance of Panelboards Rated 1000V or Less

ANSI/NEMA PB 1.1-2023 | Status: Active | ID: 100224

Covers single panelboards or groups of panel units suitable for assembly in the form of single panelboards, including buses, with or without switches or automatic overload protective devices (fuses or circuit breakers), or both. Specifically excluded are live-front panelboards, panelboards employing cast enclosures for special service conditions, and panelboards designed primarily for residential and light commercial service equipment.

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Published Date: September 27, 2023

Number of pages: 26

Staff Contact: Zijun Tong

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Keywords

PB 1.1 PB.1.1 PB1.1 PB-1.1