This Square D AMP MAIN LUG PANELBOARD 277/480 VAC 3Ø 4W NH1B 44-71578-33B is a wire/cable connector manufactured by Square D. It carries electrical current across a joint in a wiring run, keeping the connection secure and low-resistance. Key specifications noted on this listing include 480 VAC, 225 AMP. It is commonly in equipment cable assemblies and field wiring installations.
