Firing blasting wire 22 awg 500 ft roll

500 Foot Spool of 22 AWG shooters wires yellow with red trace. Firing/blasting wire is manufactured using a solid, soft drawn annealed copper conductor. The most common is #22 Duplex - two wires covered with Polyvinyl-chloride (PVC) insulation. The PVC web between the two conductors allows for ease of separation without the use of tools.  Conductors: The single conductors are solid annealed copper. Insulation: Yellow PVC (polyvinyl chloride) insulation. Duplex has a polarity stripe.  Rated at 75 degrees Celsius.  Applicable Standards & Tests: ASTM B-3 and UL 1581.  All products are spark tested at 1500 VAC unless otherwise specified.