GB/T 19215.4-2017 Cable trunking and ducting systems for electrical installations—Part 2:Particular requirements—Section 4:Service poles
GB/T 19215.4-2017 Cable trunking and ducting systems for electrical installations—Part 2:Particular requirements—Section 4:Service poles
Basic Information
Scope
The chapter of GB/T 19215.1-2003 has been revised as follows: This part of the "Cable Tray and Pipe System for Electrical Installation" specifies the technical requirements for the auxiliary ends of the cable tray and pipe system used in electrical installations, including marking, dimensions, structure, mechanical performance, flame retardancy, electrical performance, and external influences. The auxiliary ends specified in this part are intended to accommodate and, if necessary, separate conductors, cables, or flexible cords and/or other electrical equipment. As shown in Figure 101, these auxiliary ends can be moved or fixed in any direction. This part does not apply to conduits, cable brackets, or ladder racks, as well as the current-carrying components in this system.