Southwire 643S conduit coupling 1 in

Product Description

The SOUTHWIRE 643S is a steel set screw coupling used to join two lengths of EMT conduit. It is constructed from zinc plated steel and is concrete-tight when taped. This coupling is suitable for commercial, industrial, and residential applications.

• Concrete-Tight When Taped
• UL Standard 514B
• NEMA FB-1

Product Highlights

Joins two lengths of EMT conduit. Made of zinc plated steel. Concrete-tight when taped. Complies with UL Standard 514B and NEMA FB-1.

Product Information

Standard Information

• Brand: SOUTHWIRE
• Manufacturer Part Number: 643S

Technical Specifications

• Approval: UL 514B, CSA
• Constructional Feature: Concrete-Tight
• Material: Zinc Plated Steel
• Type: Set Screw
• Used On: EMT Conduit
• UL Standard: 514B
• NEMA: FB-1
• Size: 1"
• Diameter REF: 1.31 IN