M16878/3 Type D Nema HP-7 electronic hook-up wire is build with either a solid or stranded tinned copper conductor and a single layer of heavy wall polyvinyl chloride (PVC) insulation. This wire is resistant to water, oil, acids, solvents and fungus and is commonly used for the internal wiring of electronic equipment. MIL-DTL-16878/3 temperature can range from -55°C to 105°C and a voltage range of 3000 volts.