National Switchboard Corp. GROUND BAR Home I Our Service I Our Products Ground Bus 1/4" x 2" x 24" Bare Copper with 7 Holes 5/16" Dia. Mounted on 1-3/8" High 3/8-16 Threaded... Standoff Insulators and Galvanized Steel Brackets Ground Bus 1/4" x 2" x 12" Bare Copper with 9 Holes 5/16" Dia. Mounted on 1-3/8" High 3/8-16 Threaded Standoff Insulators... and Galvanized Steel Brackets Ground Bus 1/4" x 4" x 12" Tin Plated Copper with 18 Holes 7/16" Dia. Mounted on 1-3/8" High 3/8-16 Threaded Standoff Insulators and Stainless Steel Brackets...

Boltswitch bolted pressure switches Limiter lug cabinets Terminal cabinets BUS AND INSULATORS We stock a wide range of shapes and sizes of insulators and other switchboard components... such as Grade 8 bolts and lugs. We specialize in designing, building, installing, repairing, and manufacturing all types of bus bar systems. We stock various sizes of copper bus bar.... We also have portable equipment which allows us to manufacture or rebuild bus systems right on the jobsite, so we can handle emergency service work or update and increase bus during...

| Our Service BUS BAR Copper Bus, Plain or Silver-Plated In-Shop or On-Site Fabrication GROUND BARS Copper Bus Bar w/holes punched mounted on an insulator with wall bracket. Ground bars made to specification. INSULATORS Stand Off Sheets Angles Channels ...