Low-voltage cables are cables specifically designed for power systems. Their operating voltage typically does not exceed 0.6/1kV (1000V AC) for power distribution; or is below 50V for signal/communication applications. The specific voltage depends on the standard and application scenario. It consists of a conductor, insulation layer, and protective sheath, used to safely transmit power or signals.
Low-voltage cables are widely used in building power distribution (lighting, sockets), industrial equipment, home automation, data networks, security systems, and communication infrastructure—any application requiring low power or low signal transmission.
"Low-voltage cable" refers to AC cables with a rated voltage typically not exceeding 0.6/1kV, widely used in power distribution and light power services.
In electrical engineering, "low voltage" generally refers to the voltage used for power distribution, which can reach up to approximately 1000V AC or 1500V DC. However, some low-voltage applications operate at much lower voltages (e.g., signal and control circuits with voltages ≤50V).
Yes. In many regions, 120V is considered part of a low-voltage system according to electrical codes because it falls within the "low voltage" range of electrical circuits; however, it still requires proper installation and safety precautions, just like any main power line.
Low-voltage cables include power cables (used for building distribution), control cables, data/communication cables (e.g., Ethernet, coaxial cables), alarm/security cables, and instrument/signal cables—each type of cable is optimized for specific functions and environments.
Low-voltage cables typically use copper or aluminum conductors, with insulation made of PVC, XLPE, PE, or special low-smoke/halogen-free materials, depending on performance and fire safety requirements.
Low-voltage cables are designed for lower voltage applications (up to approximately 1kV) for local power distribution and equipment supply; while high-voltage cables carry much higher voltages (several kilovolts and above) for long-distance power transmission and heavy industrial power delivery.
Yes—because low-voltage cables operate at lower voltages (especially below 50V), the risk of electric shock and fire is lower, making them more suitable for consumer and signal-related applications.
Yes—although low-voltage cables carry lower voltages, proper installation, wiring, grounding, and compliance with local electrical and building codes are crucial to ensuring safety, performance, and reliability. The selection of conductors and insulation materials must be matched to the application and environmental conditions.