Pre-Insulated Mechanical Splice Cross Reference:
Hubbell Electrical / Burndy BIBS - 1PLD42
Blackburn / Elastimold AMT - AMTC4
T&B Blackburn AMT - AMTC4
Penn Union Power Bar - IPB-NA4-2S
Nsi Polaris - IT-4
Ilsco Nimbus - PBTS-2-4
Panduit Multi-Tap - PCSB4-2S-12Y
Greaves USA Series - USA4-2
Grainger 1YRJ2

Dual rated for both aluminum and copper conductors the Morris Products family of Pre-Insulated Power Distribution Connectors (some contractors also call them out as Polaris connectors, Nimbus connectors, AMT connectors or Power Bar or Multi-Tap connectors) makes insulated wire splicing easy and secure. ANSI C119.4 and cULus 486b Listed and designed for use in areas such as troughs, gutters, panels, ducts and wireways these factory pre-insulated mechanical connectors eliminates the need for time consuming taping. Each port is also pre-filled with oxide inhibitor and each port and screw plug is clearly marked with each connector's maximum wire size for easy identification.

This item is the Morris 97103. It is insulated with a rugged high-dielectric black rubber/vinyl coating. This is a 2 conductor, Single, Side Entry splice for use with a wire range from #2 thru #14. Both wires enter the same side of the insulated connector where only one conductor is allowed per set screw and only one supply conductor per connector is permitted. Each entry point is supplied with clearly labeled removable access plugs over both the cable entry port and the hex screws. 

Each insulated cable connector is 6061-T6 Aluminum CU9AL Dual Rated for use with Copper and/or Aluminum wires. The operating temperature range is 49°F to 194°F (45° to 90°C). Rated for use with 600 Volt, 194°F(90°C) Cables the Morris Single Entry Black Pre-Insulated Electrical Power Connector Splice is your choice for efficiency and cost containment.

Morris Black Single Side Entry Splice Power Connector Specification Sheet