Thomas & Betts 3303M Two-Screw Non-Metallic Sheathed Cable Connector

Description:

The Thomas & Betts 3303M Two-Screw Non-Metallic Sheathed Cable Connector is used to securely terminate 3/4-inch non-metallic sheathed cable, flexible cord, and service entrance cable to electrical boxes and enclosures. Commonly installed in residential, commercial, and industrial electrical systems, this straight connector features a steel body with a nylon-insulated throat and a two-screw clamp that protects the cable jacket while providing a secure mechanical connection. Maintenance teams and system integrators use this connector for repair, retrofit, expansion, and replacement of cable termination fittings.

Applications:

The Thomas & Betts 3303M is designed for connecting non-metallic sheathed (NM/NMD/Romex®), flexible cord, and service entrance cable to 3/4-inch knockout electrical boxes, cabinets, load centers, and enclosures. Its two-screw saddle clamp provides a firm grip without damaging the cable sheath, making it suitable for residential wiring, commercial buildings, industrial facilities, and OEM electrical equipment.

Technical Specifications:

• Manufacturer Part Number (MPN): 3303M
• Brand: Thomas & Betts (ABB)
• Product Type: Non-Metallic Sheathed Cable Connector
• Connector Style: Straight Two-Screw Connector
• Trade Size: 3/4 in.
• Knockout Size: 3/4 in.
• Compatible Cable Types: Non-Metallic Sheathed (NM/NMD/Romex®), Flexible Cable, Service Entrance Cable
• Installation Method: Two-Screw Clamp
• Throat Type: Nylon Insulated
• Material: Electro-zinc plated steel body, clamp, and locknut with thermoplastic insulator
• Finish: Electro-Zinc Plated, Chromate Coated
• Cable Opening Range: 0.53–0.75 in. OD
• Typical Cable Sizes: (2) 14/3 AWG, (2) 12/2 AWG, (2) 10/2 AWG, (2) 8/2 AWG, (1) 8/2 AWG, (1) 8/3 AWG, (1) 6/2 AWG, (1) 6/3 AWG, (1) 4/3 AWG NM cable
• Dimensions: 1-1/4 in. L × 1-5/8 in. W × 1-1/4 in. H
• Features: Threaded saddle prevents screws from extending beyond the connector body, rounded cable grip, smooth insulated bushing, extra saddle lip for improved cable retention
• Standards: UL Listed, CSA Certified
• Country of Origin: USA
• Typical Applications: Residential Wiring, Commercial Buildings, Industrial Electrical Systems, Distribution Panels, Junction Boxes, OEM Equipment

Common Replacements:

• Thomas & Betts 3302M
• Thomas & Betts 3304M
• Thomas & Betts 3305M