
ABB Installation Products GG40250-21 E-Z-Ground Ground Grid Copper Compression Connector, Cable Range 4/0 or 250 kcmil…
UPC: 786210708539
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Overview
- Heavy-duty cast copper construction for durability
- Suitable for direct burial applications
- Accommodates 4/0 AWG or 250 kcmil copper conductors
- Compatible with 1/2" and 5/8" ground rods
- UL® Listed and conforms to IEEE 837 standard
Specifications
Conductor Material | Copper |
Conductor Size | 4/0 AWG or 250 kcmil |
Connection Type | Compression Connector |
Connection Type | Compression |
Material | Copper |
Mounting Type | Direct Burial |
Series | E-Z-Ground |
Size | 4/0 AWG or 250 kcmil (cable), 1/2" or 5/8" (ground rod) |
Size | Cable: 4/0 or 250 kcmil, Ground Rod: 1/2" or 5/8" |
Size | Cable Range 4/0 or 250 kcmil, Ground Rod 1/2 and 5/8 |
Special Features | E-Z-Ground® connectors are designed for direct burial and offer a safe, efficient alternative to exothermic welding products |
Special Features | E-Z-Ground® connectors are designed for direct burial and offer a safe, efficient alternative to exothermic welding products |
Standard | UL E3060, CSA 2884 |
Type | E-Z-Ground Compression Grounding |
Package Dimensions (L x W x H) | 3.3 IN x 2.8 IN x 2.3 IN |
Package Dimensions (L x W x H) | 8.382 cm x 7.112 cm x 5.842 cm |
Package Weight (Imperial) | 0.400 L |
Package Weight (Metric) | 0.181 kg |

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E-Z-Ground Ground Grid Copper Compression Connector, Cable Range 4/0 or 250 kcmil, Ground Rod 1/2 and 5/8 Inch, Direct Burial
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What cable sizes does the ABB GG40250-21 connector support?
The ABB GG40250-21 connector supports 4/0 AWG or 250 kcmil copper conductors.
What ground rod sizes are compatible with this connector?
This connector is compatible with 1/2 inch and 5/8 inch ground rods.
Is this connector suitable for direct burial?
Yes, the ABB E-Z-Ground connector is suitable for direct burial applications.
Does this connector meet IEEE 837 standards?
Yes, the ABB E-Z-Ground connector conforms to the IEEE 837 standard.
What die codes are needed for installation?
The die code for both the ground rod and the cable is 87H.
Can this connector be used with galvanized ground rods?
No, this connector is not rated for galvanized ground rods.
What type of installation tool is required for this connector?
Installation requires hydraulic tools with hex crimp dies.
How to Install the GG40250-21 Ground Grid Connector
This guide provides step-by-step instructions for installing the GG40250-21 Ground Grid Connector, ensuring a secure and reliable connection for grounding applications.
Estimated time: 45m
Tools needed:
Hydraulic crimping tool, Wire brush, Knurling tool
Supplies needed:
Ground rods, Copper cable, Ground grid connectors
- Prepare the cable
Clean the cable of all visible dirt using a rough cloth or brush, and create a bright copper finish by wire brushing.
- Prepare the ground rod
Use the knurling tool to prepare the smooth ground rods for better grip. Do not apply any compounds like Kopr-Shield on the ground rods.
- Match die codes
Match the hydraulic head die code number to the connector die code number to ensure proper crimping.
- Insert cable into connector
Place the prepared cable into the cable bore of the connector, ensuring a snug fit.
- Crimp the connector
Position the connector on one of the die halves of the hydraulic crimping tool and perform one, two, or three crimps as required, following the final crimping instructions.
- Inspect the crimp
Check the embossed die numbers on the hex flats to verify that the correct installing die has been used for inspection purposes.
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