2022 BURNDY Master Catalog

Mechanical Grounding CPI ™ Ground Grid Connectors Accommodates .232” - .681” Diameter Range (Vertical) .184” - .575” Diameter Range (Horizontal) CPI Ground Grid Connectors are a safe, fast, and dependable method of making permanent wire-to-wire and wire-to-rod connections for a variety of grounding applications. Using a special shear-head bolt to drive a wedge into the connector activates the connector. When the proper torque and spring tension is achieved, the bolt head shears off, giving the installer a positive indication of an optimum connection. Features and Benefits • No special molds, chemicals, tools, dies or fired-on charges necessary for installation; installed with a common socket, impact or ratchet wrench • No temperature or weather restrictions for installation; can be installed no matter what environment exists at the job site • Shear-head bolt ensures consistency of application and positive verification of a completed connection • Fully tested to IEEE standard 837 for: • Mechanical Pullout • Electromagnetic Force • Current-Temperature Cycling • Freeze-Thaw • Corrosion-Nitric Acid • Fault Current, 35 kA rms. sym. at .02 sec. • Thermal Shock and Accelerated Corrosion • Typical applications: • Substation ground grids • Pole grounds transmision line grounding • Industrial/Residential service grounds • Pad Mount Transformers • Telco distribution / CATV grounds • Wind Farms

CPI ™ Connector Products Ground Grid Connectors

Shear Bolt (Stainless)

2.70”

Wedge & Interface (Copper)

3.00”

2.00”

Body (Bronze)

Conductor

Catalog Number

Vertical

Vertical Dia. Range

Horizontal

Horizontal Dia. Range

350 kcmil - 3/4” Rod 300 kcmil

.681” - .680” .630”

250 kcmil - 5/8” Rod 4/0 Str

.575” - .556” .522”

900100

250 kcmil

.575”

250 kcmil

.575”

250 kcmil - 5/8” Rod 4/0 Str

.575” - .556” .522”

250 kcmil - 4/0 Str

.575” - .522”

900101

250 kcmil

.575”

1/2” Rod

.368”

250 kcmil - 5/8” Rod 4/0 Str

.575” - .556” .522”

.419” - .368”

900102

2/0 kcmil - 1/0 Str

1/2” Rod

.472”

.368”

2/0 Str - 1/0 Str

.419” - .368” .556” - .472” .522” .575” - .522” .328” .232” - .282”

2/0 Str - 1/0 Str

.419” - .368”

900103

5/8” Rod - 1/2” Rod 4/0 Str 250 kcmil - 4/0 Str #1 Str

#2 Str

.292”

#4 Str - #6 Str #1 Str #4 Str - #2 Str

.232” - .184” .328” .232” - .282”

900104 900105

#4 Str = #2 Str

E-52