In most residential, dry, and easily accessible areas, low voltage wiring does not legally require the use of conduit. This exemption is primarily due to the significantly lower risk of electrocution and fire compared to line-voltage circuits. Low voltage conduit is a type of raceway designed to route and protect wires carrying less than 50 volts. Typical examples are ethernet cables, security camera lines, door access wiring, and. Tray cables (TC, TC-ER, and similar types) are specially designed for use in cable tray systems, which support multiple runs of cable across industrial and commercial buildings. Conduit, on the other hand, is a rigid or flexible tube that provides additional mechanical protection and environmental. Cable tray is the preferred wiring method for industrial facilities, data centers, and large commercial buildings where routing dozens or hundreds of cables through individual conduits would be impractical and expensive. Because low voltage wiring is categorized as a Class 2. Metal raceways, cable trays, cable armor, cable sheath, enclosures, frames, fittings, and other metal noncurrent-carrying parts that are to serve as grounding conductors, with or without the use of supplementary equipment grounding conductors, shall be effectively bonded where necessary to ensure.