14/3 SOOW 15′ Strip Heater. Thermostatic Heater 500 Watt 480 Volts (12AF4-500) ON 15′ 14/3 SOOW-A 105 Deg Cable with 30MFP3 Male Fuse Red Plug. 480 Volt Single Phase nichrome element with packed magnesium oxide insulation and Inconel sheath. Elements are embedded in an aluminum shoe with a reflecting cover. Assembly is complete with a 30MFP-3 Male Fused Plug Molded to 14/3 105 Deg C SOOW Cable and strain relief.