Metal Cable: 50 ft 14/2 metal clad cable contain three solid cooper wires, two are conductor wires and one is a ground wire, the metal sheathing surrounding the insulated wires consisting of aluminum, this 14/2 electrical wire sheath covers the wires in an interlocking configuration to allow for flexibility and coverage Wire Coatings: the solid wire copper cable in metal clad cables are THHN/THWN-2 which are thermoplastic, high heat, nylon jacketed and resistant to water; These aluminum ground wire insulate wires to make them suitable for various cable applications Protection: our metal clad cable is corrosion resistant and able to handle heat and humidity; It is also built with layers of cable protection, meaning the wires are protected from environmental conditions without conduit installation; The 14 AWG Wire are also UL certified, so you can rest assured to buy Save Time and Energy: in applications where conduit is a necessity, outdoor metal wire can save valuable labor hours; In most interior and exterior applications, 2 conductors electrical wire provides enough protection to eliminate conduit altogether; This advantage saves significant time by eliminating the conduit installation step Wide Application: due to the advantages of nylon sheath and outer cables can be widely applied to conduit or no conduit, indoors or outdoors, above ground or underground, enclosed or open, to provide protection for your various electrical applications, you can choose with confidence Features: Practical and reliable: Our 14/2 solid clad cable are available for branching, feeding and service distribution in commercial, industrial and multiple residential buildings. Safety material: Our electric cable is made of aluminum, which is less susceptible to wear and tear and highly resistant to heat. The material prevents and minimizes damage to cables or wires from electrical fires or heating. Specifications: Material: aluminum Color: silver Size: approx. 50 ft Package includes: 1 x Metal clad cable Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Winding risk, please keep away from children.