Ideal 30 643J Twist On Wire Connectors, Wing, Blue Orange, 14 10 AWG, 600 V, 500 PK 60278 2 and 3 Hour Through 2 and 3 Hour Through Penetration Firestop Systems Jacket Material (Wire and Cable) Aluminum Jacket Material Wire and Cable Aluminum Stranded Solid Stranded Application Indoor Voltage 600 V Wire and Cable Item Metal Clad Armored Cable Temp Usable Length 7 in P65Warnings Orange Insulation Material Polypropylene with TPE Overmold Maximum Voltage 600 V Minimum Wire Combination (2) 22 AWG Maximum Wire Combination (4) 12 AWG Maximum Operating Temperature 221 Degrees F UL 94 Flammability Rating V 2 Application Wide Range Standards CSA Certified