What materials does the supervisor regulate for outdoor street lamp cable sleeves?
The outdoor lights, cables and bushings that I have seen are all corrugated pipes made of glass fibre reinforced plastic, and the buried depth meets the design requirements.
Around the design standards, like carbon bellows, CPVC power tube, glass steel pipe, plastic pipe is used
Supervision standard is not design specification, nor construction specification, it only stipulates supervision and management behavior. For example, the materials, specifications and models must be in accordance with the requirements of the drawings. What design is, what is in line.
