Polaris Insulated Connectors

NSI IT-1/0 fully insulated mechanical tap connector, dual-rated Cu/Al, main 1/0 conductor with 14 AWG tap capability, pre-filled with oxide inhibitor, 600 V rated for panelboard and gutter taps.

NSI ISW-3/0 fully insulated AL9CU in-line splice for 3/0 to 1/0 AWG conductors, joins two feeder conductors without separate insulating tape.

NSI IT-250 insulated multi-tap connector, dual-rated Cu/Al, main and tap ports for 250–6 AWG conductors, pre-insulated body rated 600 Volt, used for load taps and service distribution connections.

NSI ISR-250 insulated splicer-reducer, dual-rated Cu/Al, accepts 6 AWG–250 MCM conductors, 600 V rated, pre-insulated housing eliminates taping for feeder and service splices.

NSI IT-4 insulated tap connector, dual-rated Cu/Al, mechanical set-screw ports for #4–#14 conductors, pre-insulated 600 V body used for branching control or lighting circuits without cutting mains.

NSI ISR-1/0 insulated splicer-reducer, dual-rated Cu/Al, accepts 1/0–#14 conductors, pre-insulated body with oxide inhibitor, 600 V rated for feeder or branch-circuit splices without additional taping.

NSI IT-3/0 insulated mechanical tap connector, dual-rated Cu/Al for 3/0–#6 conductors, oxide-filled body, 600 Volt rated, used for sub-feed and load taps without additional taping.

NSI ISR-350 insulated splicer-reducer, dual-rated Cu/Al, accepts 6 AWG–350 MCM conductors, 600 Volt rated, pre-insulated housing eliminates taping for large feeder and service splices.

NSI IT-350 insulated multi-tap connector, dual-rated Cu/Al, main and tap ports for 350 kcmil–#6 AWG conductors, pre-insulated body rated 600 Volt, used for large feeder taps and service distribution connections.

NSI IT-500 insulated multi-tap connector, dual-rated Cu/Al, main and tap ports for 500 kcmil–#4 AWG conductors, pre-insulated body rated 600 Volt, used for large feeder and service distribution taps.