All rubber cable is a type of electrical cable in which all voids between conductors are filled with a rubber compound to increase durability, strength, and resistance to impact.
All rubber cables are constructed using rubber-based insulation and jacketing materials that fully occupy the internal space of the cable. The design eliminates air gaps between conductors by filling them with solid or semi-solid rubber compounds. This results in a tougher, more impact-resistant cable that is well-suited for rugged, high-demand industrial environments.
The rubber fill adds structural strength and minimizes the chance of kinking during transport or handling. This construction is especially beneficial in temporary power setups, portable power systems, and environments subject to frequent mechanical stress. However, the trade-off is reduced flexibility compared to other cable types that use less dense materials or leave voids within the cable structure.
All rubber cables are commonly used in commercial applications where durability under physical strain is critical, and they often serve in support roles within power distribution systems, industrial equipment, and temporary power installations.
Rubber-based cable designs date back to the early 20th century, when natural rubber was one of the first insulating materials used in electrical wiring. The “all rubber” construction evolved as a way to reinforce cables for more demanding environments, especially in industries that required both ruggedness and electrical reliability before synthetic alternatives became more prevalent.