Specification
9730 Northcross Center Court, Huntersville, NC 28078
800.321.5847
www.nsiindustries.com
•HighTemperatureWireConnector for 
high heat applications to 150° C.
•NylonClosedEndWireConnectors for 
pre-insulated crimp style applications
•CopperandSteelBareCrimpSleeves 
for crimp style applications
•Push-InWireConnectors where speed, 
visual inspection and high degree of 
convenience are required.
•N-TypeWingedWireConnectors where 
nylon construction and inverted wings are 
preferred.
•CeramicWireConnectors for use in 
extreme high heat applications.
• Winged connectors
• Twist-on standard type
• Grounding connectors
• N-type winged connectors
• High temperature
• Crimp sleeve connectors
• Nylon closed end connectors
• High Conductivity Copper Tubing (for use with various classes of 
stranded copper conductor only)
• High Conductivity Aluminum Tubing (dual rated for use with copper or 
aluminum conductor)
• Electro-Tin Plated to prevent corrosion, oxidation and provide low 
contact resistance.
• Aluminum Compression products are pre-filled with oxide inhibitor and 
capped
• UL 486A Listed for Copper Compression (for use with copper conductor 
only) (CU9 Rated)
• UL 486B Listed for Aluminum Compression (for use with copper or 
aluminum conductor) (AL9CU Rated)
• UL 467 Listed Grounding and Bonding Equipment (#6 thru 250 GL, 
GLN, L, LN & SC, C connectors only) 
• cULus Listed UL486A/B providing Canadian UL Listed product.
• All NSi Compression Connectors are rated to 35KV when properly 
installed and complying with cable manufacturers instructions for 
voltage stress relief.
EASY-TWIST
™
WireConnectors
Connectors
Specifications
Variety of Styles
WWC Series
WC Series
Anatomy of Easy-Twist
TM

