Supplemental Digest 13: Obsolete Panelboards (2019)
Section 13 of Supplemental and Obsolescence Digest 178 contains information for QMB fusible panelboards, replacement parts, NQOD lighting and Appliance Panelboards, and Circuit Breakers for I-Line Panelboards and Switchboards. This document replaces Supplemental and Obsolescent Digest 177 Section 13, document number SD_0100CT1502_SEC-13.