The Square D AMP MAIN LUG BOLT-ON PANELBOARD 480Y/277 VAC 3∅ 4W 30 CIRCUIT is a wire/cable connector from Square D. It joins or terminates wiring, providing a secure electrical connection between conductors or cable ends. Key specifications noted on this listing include 277 VAC, 200 AMP. It is commonly in panel builds and electrical retrofits.
