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by CMC 

Catalog ID: NPB4-4/0I

Transformer eyebolt connectors, blind hole wire port, dual-rated connectors for aluminum or copper conductors

  • For moisture resistance, conductor ports are not drilled through the body.
  • Clear plated for low-contact resistance.
  • Fully tested to ANSI C119.4 for Class ‘A’ connectors.
  • For installation on equipment secondary adaptors.
  • Stud is electro-tin plated.
  • Supplied with aluminum radial-tipped set-screws.
  • Connector fabricated from 6061-T6 aluminum alloy for conductivity and strength.
  • Includes CO-OX oxide inhibitor in all conductor holes.
  • Each unit individually wrapped and labeled for ease of identification and cleanliness.
  • For installation, CMC® recommends the use of a 9” insulated Allen wrench.

Product Details


Material Aluminum Alloy, 6061-T6
Type Adapters
UPC 192663074143


Diameter - Stud 0.5 in
Dimensions 4 in x 1.35 in x 1.87 in
Height 1.87 in
Length 4 in
Stud Inside Diameter 0.5 in
Width 1.35 in

Electrical Ratings

Voltage Rating 600 V

Conductor Related

Conductor Range #4/0 AWG to #14 AWG
Number Of Conductors 4