Southwire L-51.5R NM Clamp Connector (3/8 inch):

Specifications

• Model: L-51.5R
• Manufacturer: Southwire
• Type: NM Clamp Connector
• Size: 3/8 inch (fits 1/2" knockout)
• Material: Zinc die-cast
• Cable Compatibility:
  • NM-B cables: 14/2, 12/2, 12/3 AWG
  • Flex cord: 0.300" to 0.560" diameter
• Certifications: UL Listed (UL 514B)
• Application Standard: Dry locations only

Key Features

• Secure Connection: Two-screw clamp design ensures tight bonding of cable to box.
• Corrosion Resistant: Zinc die-cast body resists rust and wear.
• Tool-Based Installation: Requires screws for mounting, offering a firm hold.
• Fits Standard Knockouts: Designed for 1/2" knockouts in metal boxes or enclosures.
• UL Compliant: Meets safety standards for electrical fittings 

Applications

• Cable Type: Non-metallic sheathed cable (NM-B)
• Use Cases:
  • Residential and commercial electrical wiring
  • Connecting NM cable to steel boxes or metal enclosures
  • Dry indoor environments only