NSI Industries CTH-112 - Heavy Duty Copper C Tap Grounding Connector for 250 MCM to 2/0 AWG APPLICATIONS: Copper "C" Taps ensure positive, all-around compression with low-resistance and high pull-out values. Made of high conductivity copper, they satisfy the requirements of NEC250-81 and 250-91 for connecting to the grounding electrode system. Rated 600 Volts.
NSI Industries

CTH-112

UPC: 662381098115

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Overview

The NSI Industries CTH-112 Heavy Duty Copper C Tap Grounding Connector is a UL467 and UL486A listed compression connector engineered for reliable grounding and bonding applications in electrical systems. Designed for copper conductors ranging from 250 MCM to 2/0 AWG, this connector ensures low-resistance, high-strength connections with superior pull-out values. Made from high-conductivity copper alloy, the CTH-112 meets NEC 250-81 and 250-91 requirements for grounding electrode system connections, providing compliance and safety in 600V applications. Key features include a range-taking design that accommodates multiple conductor sizes, reducing inventory needs and simplifying procurement. The heavy-wall construction prevents joint relaxation post-installation, ensuring long-term reliability. The "C" shape design streamlines installation, reducing labor time while maintaining consistent performance. With a temperature rating of 90°C and cULus listing for grounding and bonding, the CTH-112 is ideal for critical electrical infrastructure where durability and electrical integrity are paramount. Applications span commercial, industrial, and utility settings, including grounding electrode systems, bonding conductors, and parallel copper connections. The connector is compatible with both solid and stranded copper conductors, making it versatile for diverse wiring configurations. For optimal results, use with NSI Industries' recommended crimping tools and dies to achieve the specified mechanical and electrical performance.
  • UL467 and UL486A listed for grounding and bonding applications
  • Accommodates copper conductors from 250 MCM to 2/0 AWG
  • Heavy-wall copper alloy construction prevents joint relaxation
  • 600V rated with 90°C temperature rating
  • Reduces installation time with optimized "C" shape design

Specifications

Application
Terminate, Splice, Tap Power Connectors
Color
Brown
Conductor Size
250 MCM
Environmental Conditions
90 C
Finish
Copper
Material
Copper
Mechanical Durability
Single Use
Size
250 MCM-8 AWG
Special Features
250 MCM-8 AWG
Standard
UL486
Tap Size
8 AWG
Temperature Rating
90 C
Type
C-Taps
Voltage Rating
600 V
Warranty
1 Year
Package Dimensions (L x W x H)
0.885 IN x 0.781 IN x 1.456 IN
Package Dimensions (L x W x H)
22.479 mm x 19.8374 mm x 3.6982 cm
Package Weight (Imperial)
0.450 L
Package Weight (Metric)
0.204 kg
Heavy Duty Copper C Tap Grounding Connector for 4/0 to 1 AWG APPLICATIONS: Copper "C" Taps ensure positive, all around compression with low-resistance and high pull-out values. Made of high conductivity copper, they satisfy the requirements of NEC250-81 and 250-91 for connecting to the grounding electrode system. Rated 600 Volts.

CTH-111

Heavy Duty Copper C Tap Grounding Connector for 4/0 to 1 AWG APPLICATIONS: Copper "C" Taps ensure positive, all around compression with low-resistance and high pull-out values. Made of high conductivity copper, they satisfy the requirements of NEC250-81 and 250-91 for connecting to the grounding electrode system. Rated 600 Volts.
Heavy Duty Copper C Tap Grounding Connector for 300 MCM to 2/0 AWG APPLICATIONS: Copper "C" Taps ensure positive, all-around compression with low-resistance and high pull-out values. Made of high conductivity copper, they satisfy the requirements of NEC250-81 and 250-91 for connecting to the grounding electrode system. Rated 600 Volts.

CTH-113

Heavy Duty Copper C Tap Grounding Connector for 300 MCM to 2/0 AWG APPLICATIONS: Copper "C" Taps ensure positive, all-around compression with low-resistance and high pull-out values. Made of high conductivity copper, they satisfy the requirements of NEC250-81 and 250-91 for connecting to the grounding electrode system. Rated 600 Volts.
StandardBarrel TinnedCopperSplice500MCM Standard Barrel Tinned CopperSplices is a type of copper compression connector that is produced from high conductivity copper tubing. They are tin-plated to provide corrosion resistance and are marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed.

SC-500

StandardBarrel TinnedCopperSplice500MCM Standard Barrel Tinned CopperSplices is a type of copper compression connector that is produced from high conductivity copper tubing. They are tin-plated to provide corrosion resistance and are marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed.
Stranded Bi-Metallic Pin Terminal 350 MCM Stranded Bi-Metallic Pin Terminals is designed to facilitate termination of aluminum conductors. Tin-plated stranded copper pin. Connector bores are coated with oxide inhibitor. Supplied with EPDM insulating cover. UL 486B listed. Rated 600 volts.

PT350

Stranded Bi-Metallic Pin Terminal 350 MCM Stranded Bi-Metallic Pin Terminals is designed to facilitate termination of aluminum conductors. Tin-plated stranded copper pin. Connector bores are coated with oxide inhibitor. Supplied with EPDM insulating cover. UL 486B listed. Rated 600 volts.
Long Barrel TinnedCopperSplice500 MCM Long Barrel Tinned CopperSplices is a type of copper compression connector that is produced from high conductivity copper tubing. They are tin-plated to provide corrosion resistance and are marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed.

C-500

Long Barrel TinnedCopperSplice500 MCM Long Barrel Tinned CopperSplices is a type of copper compression connector that is produced from high conductivity copper tubing. They are tin-plated to provide corrosion resistance and are marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed.
1 Hole Long Barrel Copper Compression Lug 8 AWG - 1/4" Bolt Long Barrel Copper Compression Lugs are produced from high conductivity copper tubing. They are tin-plated to provide corrosion low contact resistance. Marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed and to cable manufacturer instructions. Temperature rating 90 degrees C. .

L814

1 Hole Long Barrel Copper Compression Lug 8 AWG - 1/4" Bolt Long Barrel Copper Compression Lugs are produced from high conductivity copper tubing. They are tin-plated to provide corrosion low contact resistance. Marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed and to cable manufacturer instructions. Temperature rating 90 degrees C. .
1 Hole Long Barrel Copper Compression Lug 8 AWG - 10 Bolt Long Barrel Copper Compression Lugs are produced from high conductivity copper tubing. They are tin-plated to provide corrosion low contact resistance. Marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed and to cable manufacturer instructions. Temperature rating 90 degrees C. .

L810

1 Hole Long Barrel Copper Compression Lug 8 AWG - 10 Bolt Long Barrel Copper Compression Lugs are produced from high conductivity copper tubing. They are tin-plated to provide corrosion low contact resistance. Marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed and to cable manufacturer instructions. Temperature rating 90 degrees C. .
1 HoleShort Barrel Copper Compression Lug w/ PeepHole8 AWG-1/4" Bolt Short Barrel Copper Compression Lugs with PeepHoleis a type of copper compression connector that is produced from high conductivity copper tubing. They are tin-plated to provide corrosion resistance and are marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed.

GL814

1 HoleShort Barrel Copper Compression Lug w/ PeepHole8 AWG-1/4" Bolt Short Barrel Copper Compression Lugs with PeepHoleis a type of copper compression connector that is produced from high conductivity copper tubing. They are tin-plated to provide corrosion resistance and are marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed.
1 HoleShort Barrel Copper Compression Lug w/ PeepHole8 AWG-5/16" Bolt Short Barrel Copper Compression Lugs with PeepHoleis a type of copper compression connector that is produced from high conductivity copper tubing. They are tin-plated to provide corrosion resistance and are marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed.

GL856

1 HoleShort Barrel Copper Compression Lug w/ PeepHole8 AWG-5/16" Bolt Short Barrel Copper Compression Lugs with PeepHoleis a type of copper compression connector that is produced from high conductivity copper tubing. They are tin-plated to provide corrosion resistance and are marked with die index and color coded for easy reference. Listed for 35KV maximum when properly installed.
Dual Rated Aluminum Splice 350 MCM Dual Rated Aluminum Splices are a type of aluminum compression connector that is produced from high conductivity aluminum tubing. Center stop assures proper cable installation. Electro-tin plated for corrosion resistance. Color coded and marked with die index information. Pre-filled with oxide inhibitor and capped with color coded cap.

ASC350T

Dual Rated Aluminum Splice 350 MCM Dual Rated Aluminum Splices are a type of aluminum compression connector that is produced from high conductivity aluminum tubing. Center stop assures proper cable installation. Electro-tin plated for corrosion resistance. Color coded and marked with die index information. Pre-filled with oxide inhibitor and capped with color coded cap.
Solid Pin Terminal for Copper and Aluminum Conductors 350 MCM All-aluminum Pin Terminals is designed for termination of both aluminum and copper conductors. The solid pin is made of aluminum and is tin-plated and pre-filled with oxide inhibitor. A cover is provided for quick installation. Rated 600 Volts.

PTS350

Solid Pin Terminal for Copper and Aluminum Conductors 350 MCM All-aluminum Pin Terminals is designed for termination of both aluminum and copper conductors. The solid pin is made of aluminum and is tin-plated and pre-filled with oxide inhibitor. A cover is provided for quick installation. Rated 600 Volts.
Offset Pin Terminal 300 MCM All-aluminum Pin Terminals is designed for termination of both aluminum and copper conductors. The pin is offset for use in tight spaces and for ease of installation in side-by-side terminations. The solid pin is made of aluminum and is tin-plated and pre-filled with oxide inhibitor. A cover is provided for quick installation. Rated 600 Volts.

PTO-300

Offset Pin Terminal 300 MCM All-aluminum Pin Terminals is designed for termination of both aluminum and copper conductors. The pin is offset for use in tight spaces and for ease of installation in side-by-side terminations. The solid pin is made of aluminum and is tin-plated and pre-filled with oxide inhibitor. A cover is provided for quick installation. Rated 600 Volts.

Frequently Asked Questions about NSI Industries

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Tork products are designed to meet various environmental ratings, including NEMA Type 4X and Type 6, which provide protection against corrosion, windblown dust, rain, and occasional temporary submersion. These ratings ensure that Tork products can withstand harsh industrial environments while maintaining operational integrity.

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