Control cable plays much important role in industrial automation, engineered specifically to transmit command and signal signals that regulate the operation of machinery, such as activating solenoids, reading sensors, or controlling motor starters.
Unlike power cable that delivers high energy, control cable manages low-voltage, low-current signals where signal integrity is paramount.
To meet the diverse demands of modern applications, control cable is manufactured in various specialized construction.
The common feature is being flexible, which is achieved with finely-stranded conductors, allows for easy routing in tight control panels and repeated movement in cable tracks.
Another feature is being composed of multi cores. The multiple insulated cores within a single jacket enable the control of several devices or functions with one cable run, significantly simplifying wiring systems.
For unique spatial and mobility requirements, specialized designs are used. A kind of parallel-shape cable, flat cable, with its conductors arranged side by side, offers a low-profile solution for confined spaces like printer heads or internal machine wiring.
Conversely, a curly cable (or retractable coil cord) is designed to extend and retract, preventing tangles and managing slack for pendants, hand-held tools, and test equipment.
A critical attribute for reliability is that control cables are often shielded. This shielding, typically a braided copper screen or an aluminum foil wrap, acts as a barrier against Electromagnetic Interference (EMI) and Radio Frequency Interference (RFI).
Finally, compliance with safety standards is often verified by independent certification. A UL Marked cable signifies that the cable has been tested and approved, confirming it meets stringent North American safety requirements for aspects like flame resistance, voltage rating, and material durability.
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