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Overview
- Combines hub and grounding locknut functions for efficiency
- Durable zinc die cast construction
- Includes aluminum lay-in lug for grounding
- Meets NEMA 3R, 4, & 13 sealing requirements
- UL Listed and CSA Certified for general and hazardous locations
Specifications
Application | Grounding Hubs connect Rigid/IMC conduit to an enclosure, offering Supply-Side Equipment Bonding and grounding options. The combination of an insulated threaded hub and grounding locknut provides a reliable ground fault path for service entrance equipment, eliminating the need to install an additional grounding bushing. Bridgeport's Grounding Hubs meet the requirements of NEC Article 250.92 for Bonding of Equipment for Services and NEC 250.97 for circuits rated over 250V |
Finish | Ball burnish |
Material | Zinc Die Cast Alloy |
Material | Zinc Die Cast, Aluminum |
Size | 4 Inch |
Size | 4 IN |
Special Features | Bridgeport's Grounding Hubs meet the requirements of NEC Article 250.92 for Bonding of Equipment for Services and NEC 250.97 for circuits rated over 250V. |
Standard | UL |
Trade Size | 4 in |
Type | Grounding Hubs |
Package Dimensions (L x W x H) | 6.5 IN x 5.5 IN x 4.625 IN |
Package Dimensions (L x W x H) | 16.51 cm x 13.97 cm x 11.7475 cm |
Package Weight (Imperial) | 3.164 L |
Package Weight (Metric) | 1.435 kg |
Similar Products
170-G
Cable Entry: Through the fitting or conduit that the locknut is attached to
Color: Gray
Material: Zinc Die Cast, Tin Plated Aluminum
17054C
Special Features: RG58, RG59, RG62; Hex: .068 / .213 /.255; BNC, TNC 3 Piece.
Type: Die Set
Application: Cable Installation
17055C
Application: Cable Installation
Special Features: RG59, RG6; Hex: .256 / .315 / .346; F Type, 1 & 2 Piece CATV.
Type: Die Set
Frequently Asked Questions
What are the dimensions of the grounding hub?
The dimensions are A: 0.925 inches, B: 2.620 inches, C: 5.360 inches.
What is the trade size of the grounding hub?
The trade size of the grounding hub is 4 inches.
What is the application of the grounding hub?
The grounding hub connects Rigid/IMC conduit to an enclosure for Supply-Side Equipment Bonding and grounding.
Does the grounding hub meet NEC requirements?
Yes, it meets NEC Article 250.92 and 250.97 for bonding of equipment and circuits over 250V.
What are the dimensions of the grounding hub?
The dimensions are A: 0.925 inches, B: 2.620 inches, C: 5.360 inches.
What is the trade size of the grounding hub?
The trade size of the grounding hub is 4 inches.
What is the application of the grounding hub?
The grounding hub connects Rigid/IMC conduit to an enclosure for Supply-Side Equipment Bonding and grounding.
Does the grounding hub meet NEC requirements?
Yes, it meets NEC Article 250.92 and 250.97 for bonding of equipment and circuits over 250V.
What is the material of the grounding hub?
The grounding hub is made of Zinc Die Cast Alloy.
How many grounding hubs are in a standard package?
A standard package contains 5 grounding hubs.
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.
