Busbars for Rack Grounding and Bonding Infrastructure

CPI Standard Busbars are insulated ground bus mounting plates specifically designed for commercial applications.  The Hard-Drawn Electrolytic Tough Pitch 110 Alloy solid copper bonding bars are 1/4" (6.4 mm) thick and stand off 2.75" (70 mm) from the backboard or wall. The 10" (254 mm) Busbar accepts 1/4" (6.4 mm) single bolt lugs. The 12" (304.8 mm) and 20" (508 mm) Busbars provide connection for nine or 17 lugs respectively, accepting lugs with either 3/4", 1" or 1-3/4" (19 mm, 25.4 mm or 44.5 mm) centers. Any lug with 3/8” (9.5 mm) bolts may be used. 

• Each Busbar assembly consists of:
  • 1 Busbar
  • 2 insulators
  • 2 stand-off brackets
  • 4 stainless steel bolts
  • 4 lock washers
  • 4 flat washers
• All Busbars ship individually and preassembled
• Other configurations available on request
• UL® Listed

Busbar Assemblies With Lug Kits contain the CPI 13622 series Secondary Bonding Busbar (SBB) or the CPI 40153 series Primary Bonding Busbar (PBB) along with required stainless steel hardware to fasten the two-hole ground lugs to the Busbar.

Use Rack Bonding Busbar for consolidating equipment bonding. Constructed of 3/16”-thick x 3/4”H (4.763 mm x 19.1 mm) hard-drawn electrolytic tough pitch 110 alloy copper bar with eight #6-32 tapped lug mounting holes on 1” (25.4 mm) centers and two pairs of 5/16” (7.938 mm) diameter holes spaced 3/4” (19.1 mm) apart for attaching ground jumpers.

• Other configurations available on request
• UL® Listed

Part number consists of Busbar and a hardware kit that includes:

• (1) splice plate bar, 3”L (80 mm)
• (2) #12-24 copper machine screws
• (2) #12 copper flat washers
• (8) #6-32 copper machine screws
• (8) #6 ring terminals

Vertical Rack Bonding Busbar (RBB) Kits isolate the Busbar from the rack to help control current paths from passing through one piece of equipment to another.

• Other configurations are available on request
• UL Listed, File E236184, Category KDER (US), KDER7 (Canada) - Bonding and Grounding Equipment
• The 36”L (910 mm) bar has one set of #5/16 self-clinching studs on 1” (25.4 mm) centers at one end for attachment of a equipment bonding conductor. The 72”L (1830 mm) bar has two sets of #5/16 self-clinching studs on 1” (25.4 mm) centers at both ends for attachment of a equipment bonding conductor.

Kit consists of:

• (1) Vertical Rack Bonding Busbar
• (1) #2 AWG two-hole ground compression lug with 3/8” (9.53 mm) holes on 1” (25.4 mm) centers
• (3) white Delrin® insulator blocks
• (3) self-tapping screws
• (3) #12-24 mounting screws
• (2) stainless steel lock washers, 5/16” (127 mm)
• (2) nuts

Vertical Rack Bonding Busbar (RBB) for consolidating equipment bonding connections. Constructed of 5/8”H x 1/4”W (15.9 mm x 6.4 mm) hard-drawn electrolytic tough pitch 110 alloy copper bar with pairs of #1/4-20 tapped mounting holes on 5/8” (15.9 mm) centers. The 36”L (910 mm) bar has one set of #5/16 self-clinching studs on 1” (25.4 mm) centers at one end for attachment of a bonding conductor. The 72”L (1830 mm) bar has two sets of #5/16 self-clinching studs on 1” (25.4 mm) centers at both ends for attachment of a bonding conductor.

• Each package contains one Vertical Rack Bonding Busbar
• Vertical Rack Busbars with insulators and lug kits are also available
• Other configurations are available on request
• UL® Listed, File E236184, Category KDER (US), KDER7 (Canada) - Grounding and Bonding Equipment

The Rack Bonding Busbar (RBB) Kit includes a thin strip of tinned copper that attaches to the rack’s equipment mounting rail to provide direct bonding contact for rack-mount equipment or a convenient bonding strip. Sized to fit a 7’ (2.1m) high rack with an EIA-310-E Universal hole pattern and 45U, the busbar is punched with a series of holes that align with each mounting hole on the rack. When equipment is mounted to the rack, the rack-mount brackets touch the busbar. Alternately, the Equipment Bonding Jumper Kit can be used to connect equipment to the busbar.

• Each kit includes one ground bar, three #12-24 zinc-plated thread forming hex washer head installation screws, an abrasive pad, joint compound and a ground label
• The ground bar is .05” (1.3 mm) thick tinned copper strip, 78.7”H x .68”W (1997 mm x 17 mm) and is punched with holes that match the EIA-310 universal hole pattern
• UL® Listed Ground Bar, File E236184, Category KDER (US), KDER7 (Canada) - Bonding and Grounding Equipment

ICT Primary Bonding Busbar (PBB) provides a central bond attachment point for ICT bonding backbones, equipment and the building’s ground electrode system.

Hole patterns on Busbars accommodate two-hole lugs per the recommendation of ANSI/BICSI N3-20 and ANSI/TIA-607 standards. Insulators electrically isolate Busbars from the wall or other mounting surfaces, thereby controlling the current path.

Secondary Bonding Busbar (SBB) provides a central bond attachment point for ICT systems located in the data room.

Hole patterns on Busbars accommodate two-hole lugs per the recommendation of ANSI/BICSI N3-20 and ANSI/TIA-607 standards. Insulators electrically isolate Busbars from the wall or other mounting surfaces, thereby controlling the current path.