Polaris Blue direct burial and submersible insulated connectors from NSi. Suitable for connecting multiple wires and are UL Listed (UL486D) for direct burial and submersible applications. Insulated with specially formulated high-strength dielectric plastisol and molded for precise fit for a direct burial connection. Requires no taping, compounds, heat shrink or cutting-to-size in the field. Supplied with removable access plugs over the hex screws. Abrasion and chemical resistant. UV rated. Will not support combustion. Cold temperature rated to -45C. Suitable for use with aluminum and/or copper conductors. 600 volts. 90C. Approved for use with all insulation suitable for wet and/or damp locations. Not recommended for use with extra flexible cable. A properly installed connector will have no more than one conductor per port.