W-P-115C, FEDERAL SPECIFICATION, PANEL, POWER DISTRIBUTION (14 MAR 1990)
W-P-115C, FEDERAL SPECIFICATION, PANEL, POWER DISTRIBUTION (14 MAR 1990)., This specification covers panelboards for the control and protection of power circuits, including feeder distribution panelboards; electric lighting and/or appliance branch circuits; and other units specifically designed for panelboard assembly.