NSI Industries CT-110 - Copper C Tap Grounding Connector for 3/0 to 1/0 AWG 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

CT-110

UPC: 662381098092

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Technical Bulletin

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Overview

The NSI Industries CT-110 Copper C Tap Grounding Connector is a high-performance, UL467 and cULus Listed compression connector designed for reliable grounding and bonding applications. Engineered for 3/0 to 1/0 AWG solid or stranded copper conductors, this connector delivers positive all-around compression with low electrical resistance and high pull-out strength, ensuring long-term system integrity. Made from high-conductivity copper alloy, the CT-110 meets NEC 250-81 and NEC 250-91 requirements for grounding electrode system connections, making it ideal for commercial, industrial, and utility grounding installations. Key specifications include a 600V voltage rating and 90°C temperature rating, ensuring compatibility with standard electrical systems. The connector's "C" shape design simplifies installation by reducing setup time while maintaining consistent compression across the conductor range. Available in a standard carton quantity of 25 units, the CT-110 is distributed by Gross Automation and NSI Industries, with full technical support available via phone or website. This grounding connector is specifically designed for use with Class B or C building wire copper cable only, ensuring compliance with UL486A standards for wire connectors. Its heavy-duty construction prevents joint relaxation after installation, providing reliable performance in critical grounding applications. Whether used in new construction or system upgrades, the CT-110 offers a durable, code-compliant solution for copper grounding tap connections.
  • UL467 & cULus Listed for grounding and bonding applications
  • 600V rated with 90°C temperature rating
  • Designed for 3/0 to 1/0 AWG solid or stranded copper conductors
  • Meets NEC 250-81 and NEC 250-91 requirements
  • High conductivity copper alloy for low resistance and high pull-out strength

Specifications

Application
Terminate, Splice, Tap Power Connectors
Color
Yellow
Conductor Size
3/0 AWG
Environmental Conditions
90 C
Finish
Copper
Material
Copper
Mechanical Durability
Single Use
Size
3/0-4 AWG
Special Features
3/0-4 AWG
Standard
UL486
Tap Size
4 AWG
Temperature Rating
90 C
Type
C-Taps
Voltage Rating
600 V
Warranty
1 Year
Package Dimensions (L x W x H)
1.751 IN x 0.846 IN x 0.728 IN
Package Dimensions (L x W x H)
4.4475 cm x 21.4884 mm x 18.4912 mm
Package Weight (Imperial)
2.600 L
Package Weight (Metric)
1.179 kg

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Frequently Asked Questions about NSI Industries

What technical support does NSi Industries offer?

NSi Industries offers dedicated technical support through their toll-free technical support line at 888.500.4598. They are committed to customer satisfaction and promise to make every reasonable effort to remedy any product or service issues. Additionally, customers can contact their customer service team at 800.321.5847 or email [email protected] for further technical assistance.

What are the key features of NSi Industries products?

NSi Industries products feature exceptional versatility, reliability, and safety across multiple industrial automation categories. Key features include insulation piercing connectors with no wire stripping required, watertight and corrosion-free designs, wide wire range compatibility (from #14 AWG to 750 MCM), and the ability to install on energized conductors. Their product lines like Easy-Tap™ Connectors and TORK® Digital Timers demonstrate advanced capabilities such as turbo spacers, double shear-head bolts, astronomic scheduling, and enhanced switching technologies.

What environmental ratings do NSi Industries products have?

NSi Industries enclosures feature robust environmental ratings, including IEC 60529 IP66 certification, NEMA Type 1, 2, 3, 4, 4X, 12, and 13 ratings, and UL/CSA standards. Their products are designed for both indoor and outdoor applications, with protection against dust, water, corrosion, and extreme temperatures ranging from -40°F to 266°F.

How are NSi Industries products typically installed?

NSi Industries products are typically installed using detailed mechanical and digital wiring diagrams that specify precise connection methods for various voltage configurations (120V, 208V, 240V, 277V, 480V). Installation involves carefully following product-specific wiring schematics, which include clear terminal block connections, ground wire specifications, and phase alignment requirements. Professional electricians and technicians should reference the specific product's wiring diagram to ensure correct installation and electrical compliance.

What industries and applications are NSi Industries products used for?

NSi Industries provides electrical and automation products for diverse industrial applications, including lighting control, electrical enclosures, wire management, connectors, and sensor technologies. Their product lines serve commercial, industrial, and infrastructure markets with solutions for electrical infrastructure, control systems, and safety-critical environments.

What are the main product lines offered by NSi Industries?

NSi Industries offers a comprehensive range of industrial products including TORK® Photocontrols, Polaris™ Lighting Controls, Easy-Twist™ Grounding Solutions, Miniterms, Cable Ties, Connectors, Enclosures, Occupancy Sensors, and Wire Management systems. Their product lines span electrical components, control devices, and industrial automation accessories designed for diverse applications in commercial and industrial settings.

What accessories are available for NSi Industries products?

NSi Industries offers a range of accessories for their product lines, including photocontrol accessories like replacement caps, mounting brackets, and receptacles. Specific accessories include shorting caps, open caps, 3-pin and 7-pin receptacles, and utility mounting brackets for conduit photocontrols. For specialized applications, NSi recommends contacting their customer service team to discuss custom accessory needs.