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What are the requirements for cable tray and busway installation?

Categories:FAQ
Author:
Origin:
Time of issue:2014-12-12 11:40
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(Summary description)(1) The metal bridge and the wire trough and the length of the bracket and its bracket are not less than 2, and are connected to the ground (PE) or zero (PEN) trunk. (2) Both ends of the connecting plate between the non-galvanized bridges and the connecting plates between the non-galvanized wire troughs shall be connected to the copper core grounding wire, and the minimum cross-sectional area shall not be less than 4 mm2.

What are the requirements for cable tray and busway installation?

(Summary description)(1) The metal bridge and the wire trough and the length of the bracket and its bracket are not less than 2, and are connected to the ground (PE) or zero (PEN) trunk.

(2) Both ends of the connecting plate between the non-galvanized bridges and the connecting plates between the non-galvanized wire troughs shall be connected to the copper core grounding wire, and the minimum cross-sectional area shall not be less than 4 mm2.

Categories:FAQ
Author:
Origin:
Time of issue:2014-12-12 11:40
Views:

Information

(1) The metal bridge and the wire trough and the length of the bracket and its bracket are not less than 2, and are connected to the ground (PE) or zero (PEN) trunk.

(2) Both ends of the connecting plate between the non-galvanized bridges and the connecting plates between the non-galvanized wire troughs shall be connected to the copper core grounding wire, and the minimum cross-sectional area shall not be less than 4 mm2.

(3) The two ends of the connecting plate between the galvanized bridge and the connecting plate between the slots do not cross the grounding wire, but there are not less than two connecting fixing bolts with anti-loose nuts or anti-loose washers at both ends of the connecting plate.

(4) The bridge frame shall be laid under the inflammable and explosive gas pipeline and the heat pipeline, and the minimum clearance from the pipeline shall comply with Table 6-11.

(5) Bridges laid in shafts and crossing different fire zones, according to the design requirements, there are fire barriers.

(6) The bolts between the bridge frame and the bracket and the bolts of the bridge connecting plate are firmly fixed, and the nut is located outside the bridge frame.

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