Wide range of uses:It is great for communication and control in mini split HVAC system wiring. It is also used in small split air conditioners and heat pumps. It is also good for speakers and trailer wiring. You can also use it for indoor and outdoor wiring. Durable Material: Oxygen-free copper cableFour Conductors with EPDM Insulation (Black, White, Red, & Green) Wire parameters: Temperature Tolerance Range: -40~105Rated for 300V Specification length:14 gauge,4 conductor,33 feet length. Components Of The Accessory: Equipped with a set of 8 copper fork terminals in 5mm gauge (for easy access to the machine's power switch); A roll of electrical tape (to protect the exposed copper wires as well as to wrap the wires); 8 pieces of heat shrink tubing (to enable quick connection of broken wires); 8 pieces of fork-shaped terminal protection sleeve (faster identification of wires and better protection of connecting terminals)