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The acceptance criteria of the trolley line are:
(1) Bracket
a. The stent should be treated with antiseptic and continuous welding.
b. The bracket should be firmly installed, and the position of the mounting hole should be the same.
(2) Bracket spacing
a. If it is a single line "H" type, and is less than 300A, then the spacing should not exceed 1.5m; if it is more than 400A, then the spacing should not exceed 3m.
b. If it is a multi-wire jointless trolley line, then the distance between the supports should be 1 - 1.5m.
c. If it is a catheter type trolley wire, then the spacing should be 1 - 1.5m.
d. If it is a cable-slip type, then the spacing should be 1-2m.
(3) Suspension
The requirements should be in the correct position, and the installation should be firm, and the quantity must meet the requirements.
(4) Sliding line body
a. The clearance between the protective shell and the conductor should not exceed 2mm.
b. Its straightness and distortion shall meet the requirements of the regulations.
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