Rubber-sheathed cables are flexible and movable cable types composed of multiple fine copper strands as conductors, surrounded by rubber insulation and a protective rubber sheath. These cables come in various forms, including general-purpose rubber-sheathed flexible cables, welding cables, submersible motor cables, radio equipment cables, and photographic lighting cables. They are widely used in electrical devices such as mobile power cords for household appliances, machinery, and equipment, and can be applied in both indoor and outdoor environments.
Depending on the mechanical stress they endure, the structure of these cables is typically divided into light, medium, and heavy-duty types. The cross-sections are designed to ensure proper connectivity and flexibility. Light-duty rubber cables are commonly used in daily appliances and small electric tools, offering softness, lightweight, and excellent bending properties. Medium-duty cables are not only used in industrial settings but also in agricultural electrification. Heavy-duty cables are ideal for applications like port machinery, searchlights, and large-scale irrigation systems.
Waterproof rubber cables and submersible pump cables are specifically designed for use with submersible motors. Radio equipment cables currently come in two types—shielded and unshielded—both of which meet modern requirements. Photographic cables have evolved with new light sources, becoming more compact and efficient while meeting the needs of both indoor and field operations, gradually replacing older, less heat-resistant models.
Rubber-sheathed cables are categorized into several types, including heavy-duty, medium-duty, light-duty, waterproof, and welding machine cables.
Welding machine cables are designed for secondary voltage connections and grounding in welding machines with voltages not exceeding 200V AC and pulsating DC peaks up to 400V. These special cables are used for connecting welding torches and clamps. They feature a single-core conductor made from multiple flexible copper strands. The core is wrapped with heat-resistant polyester film insulation, and the outer layer is made of rubber for protection.
Waterproof rubber-sheathed flexible cables are used to transmit power in submersible motors operating at 500V AC or lower. These cables maintain excellent electrical insulation even when submerged in water under high pressure and can withstand frequent movement without damage. Their flexibility and durability make them suitable for harsh and dynamic environments.
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