Valguskaablite

Valguskaablite is an Estonian term used to refer to cables associated with illumination. In practice, the phrase can denote two main categories: electrical illumination cables that supply power to lighting fixtures, and optical light cables that guide or transmit light signals.

Electrical illumination cables are designed to carry electrical current to luminaires in residential, commercial, and industrial settings. They typically consist of one or more copper conductors covered by insulation and a protective outer jacket. Materials for insulation and jackets vary and may include PVC, XLPE, rubber, or flame-retardant compounds, chosen for the installation environment and safety requirements. Cables are rated by voltage, current, temperature, and environmental conditions, and they must meet national and international electrical standards. Flexible cords used for portable lighting or temporary setups are common examples, with standards and designations such as those found in regional electrical codes.

Optical light cables, where referred to as valguskaablid in some contexts, are fiber optic cables designed to transmit light for signaling, sensing, or decorative lighting purposes. These cables have a core and cladding that guide light, enclosed in protective jackets and often additional protective layers. They come in single-mode and multimode varieties, with varying core diameters and attenuation characteristics. Applications include architectural lighting systems, data communication networks, and experimental or specialized lighting technologies.

Safety and standards are important for both types of valguskaablite. They must comply with local electrical codes, flame retardancy requirements, and sometimes ingress protection (IP) ratings for environmental exposure. Proper installation also involves attention to bending radii, connector types, and compatibility with lighting equipment or optical transmitters.

Etymology: the term combines valgus, meaning light, with kaabel, meaning cable, in Estonian.