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Part #NSI ISR-600 IN-LINE SPLICE #6-#600AWG INSULATED DUAL RATED NSI Polarisâ„¢ In-Line Splicer/Reducer, Series: ISR, Aluminum/Copper Conductor, 6 AWG to 600 kcmil Conductor, 600 VAC, 1 Pole, 2 Conductor, Class B and C Wire Type, 5/16 in Hex
MFG #ISR-600
Part #NSI ISR-500 IN-LINE SPLICE #4-#500AWG INSULATED DUAL RATED NSI Polarisâ„¢ In-Line Splicer/Reducer, Series: ISR, Aluminum/Copper Conductor, 4 AWG to 500 kcmil Conductor, 600 VAC, 1 Pole, 2 Conductor, Class B and C Wire Type, 5/16 in Hex
MFG #ISR-500
44 in Stock. More available 03/12/2026
$66.13/EA
Part #NSI ISR-250 IN-LINE SPLICE #6-#250AWG INSULATED DUAL RATED NSI Polarisâ„¢ In-Line Splicer/Reducer, Series: ISR, Aluminum/Copper Conductor, 6 AWG to 250 kcmil Conductor, 600 VAC, 1 Pole, 2 Conductor, Class B and C Wire Type, 5/16 in Hex
MFG #ISR-250
146 in Stock. More available 03/12/2026
$41.23/EA
Part #NSI ISR-1/0 IN-LINE SPLICE #14-#1/0AWG INSULATED DUAL RATED NSI Polarisâ„¢ In-Line Splicer/Reducer, Series: ISR, Aluminum/Copper Conductor, 14 to 1/0 AWG Conductor, 600 VAC, 1 Pole, 2 Conductor, Class B and C Wire Type, 3/16 in Hex, -4
MFG #ISR-1/0
171 in Stock. More available 03/12/2026
$24.55/EA
Part #NSI ISR-600 IN-LINE SPLICE #6-#600AWG INSULATED DUAL RATED NSI Polarisâ„¢ In-Line Splicer/Reducer, Series: ISR, Aluminum/Copper Conductor, 6 AWG to 600 kcmil Conductor, 600 VAC, 1 Pole, 2 Conductor, Class B and C Wire Type, 5/16 in Hex
MFG #ISR-600
Part #NSI ISR-500 IN-LINE SPLICE #4-#500AWG INSULATED DUAL RATED NSI Polarisâ„¢ In-Line Splicer/Reducer, Series: ISR, Aluminum/Copper Conductor, 4 AWG to 500 kcmil Conductor, 600 VAC, 1 Pole, 2 Conductor, Class B and C Wire Type, 5/16 in Hex
MFG #ISR-500
44 in Stock. More available 03/12/2026
$66.13/EA
Part #NSI ISR-250 IN-LINE SPLICE #6-#250AWG INSULATED DUAL RATED NSI Polarisâ„¢ In-Line Splicer/Reducer, Series: ISR, Aluminum/Copper Conductor, 6 AWG to 250 kcmil Conductor, 600 VAC, 1 Pole, 2 Conductor, Class B and C Wire Type, 5/16 in Hex
MFG #ISR-250
146 in Stock. More available 03/12/2026
$41.23/EA
Part #NSI ISR-1/0 IN-LINE SPLICE #14-#1/0AWG INSULATED DUAL RATED NSI Polarisâ„¢ In-Line Splicer/Reducer, Series: ISR, Aluminum/Copper Conductor, 14 to 1/0 AWG Conductor, 600 VAC, 1 Pole, 2 Conductor, Class B and C Wire Type, 3/16 in Hex, -4
MFG #ISR-1/0
171 in Stock. More available 03/12/2026
$24.55/EA









