NSI Industries 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.
NSI Industries

CTH-113

UPC: 662381098122

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Overview

The NSI Industries CTH-113 is a heavy-duty copper "C" tap grounding connector engineered for reliable, low-resistance connections in grounding electrode systems. Designed to meet NEC 250-81 and 250-91 requirements, this connector ensures compliance with grounding and bonding standards for industrial and commercial applications. Constructed from high-conductivity copper alloy, the CTH-113 delivers consistent performance with positive all-around compression, minimizing electrical resistance and maximizing pull-out strength. Its heavy-wall construction prevents joint relaxation after installation, ensuring long-term reliability. The "C" shape design reduces installation time while maintaining robust mechanical integrity. Rated for 600V applications, this connector supports conductor sizes from 300 MCM to 2/0 AWG, offering flexibility for diverse project requirements. UL467 and UL486A listed for grounding and bonding, the CTH-113 is ideal for tap or parallel copper connections in grounding electrode systems. Compatible with Class B or C building wire copper cable, it features a 90°C temperature rating and is tin-plated for enhanced corrosion resistance. The connector is color-coded (pink) for easy identification and includes serrations to indicate proper crimp locations. Trust NSI Industries for dependable grounding solutions that prioritize safety, compliance, and durability.
  • These taps ensure positive, all-around compression with low resistance and high pull-out values
  • Made of high conductivity copper
  • Satisfy the requirements of NEC250 for connecting to the grounding electrode system
  • Rated for CLASS B OR C BUILDING WIRE CU CABLE ONLY.
  • Rated for 600V applications

Specifications

Application
Terminate, Splice, Tap Power Connectors
Color
Pink
Conductor Size
300 MCM
Connection Type
Compression C Tap Grounding Connector
Connection Type
Compression
Environmental Conditions
90 C
Finish
Copper
Material
Copper
Mechanical Durability
Single Use
Series
CTH-113
Series
CTH
Size
300 MCM-8 AWG
Size
300 MCM to 2/0 AWG
Special Features
300 MCM-8 AWG
Standard
UL486A
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)
1.033 IN x 0.984 IN x 1.673 IN
Package Dimensions (L x W x H)
2.6238 cm x 24.9936 mm x 4.2494 cm
Package Weight (Imperial)
2.640 L
Package Weight (Metric)
1.198 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.
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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 Short Barrel Copper Compression Lug w/ Peep Hole 1/0 AWG - 3/8" Bolt Short Barrel Copper Compression Lugs with Peep Hole 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.

GL1038

1 Hole Short Barrel Copper Compression Lug w/ Peep Hole 1/0 AWG - 3/8" Bolt Short Barrel Copper Compression Lugs with Peep Hole 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 1&frasl-0 AWG - 1/2" 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. .

L1048

1 Hole Long Barrel Copper Compression Lug 1&frasl-0 AWG - 1/2" 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. .
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.

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.
Stranded Bi-Metallic Pin Terminal 400 MCM Stranded Bi-Metallic Pin Terminal 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.

PT400

Stranded Bi-Metallic Pin Terminal 400 MCM Stranded Bi-Metallic Pin Terminal 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.
StandardBarrel TinnedCopperSplice1/0 AWG 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-1/0

StandardBarrel TinnedCopperSplice1/0 AWG 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.
Long Barrel TinnedCopperSplice1/0 AWG 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-1/0

Long Barrel TinnedCopperSplice1/0 AWG 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.
2HoleStandard BarrelAluminum Compression Lug 500 MCM -1/2 Bolt Standard BarrelAluminum Compression Lugs is a type ofaluminum compression connector that is produced from high conductivityaluminum tubing.Center stop assures proper cable installation.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.

AL500N

2HoleStandard BarrelAluminum Compression Lug 500 MCM -1/2 Bolt Standard BarrelAluminum Compression Lugs is a type ofaluminum compression connector that is produced from high conductivityaluminum tubing.Center stop assures proper cable installation.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 - 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-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.
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.

Frequently Asked Questions about NSI Industries

How are Tork products typically installed?

Tork products are typically installed by trained technicians who follow a comprehensive commissioning process. This includes verifying the work environment, conducting electrical installation checks, performing internal and external equipment inspections, powering on the system, and executing operational tests to ensure compatibility and reliability.

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Tork offers a diverse range of products primarily focused on industrial automation, including TORK® Photocontrols, lighting controls, and various electrical components such as enclosures, occupancy sensors, and grounding solutions. These products are designed to enhance efficiency and reliability in commercial and industrial applications.

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