Professional Cable Tray Manufacturer

Shandong Hongfeng Electric Group Co., Ltd.

The products can be widely used in construction, energy, power, plant.

What matters should be paid attention to in the grounding of galvanized cable tray

Release time:

2024-01-05

For the galvanized bridge used as the grounding main line, the bonding resistance between the tray and the end of the willow frame shall not

What matters should be paid attention to in the grounding of galvanized bridge?
1.For the galvanized bridge used as the grounding main line, the bonding resistance between the tray and the end of the willow frame shall not exceed 0.0003 Ω.
two。
2.When the stainless steel bridge is used to form the grounding main line circuit, the electric end perforated cable traybridge and its supports, hangers and bonding plates are required to withstand the grounding current and meet the conditions of thermal effect.
3.When using the cable tray as the grounding main line, the expansion joint and the soft joint of the bridge tray are required to be combined with copper soft wire or braided copper wire, and the cross section is larger than 16mm2.
4.When the grounding main line is laid along the whole single line of the stainless steel bridge, and the flat steel is used for the grounding main line, the cross section should be more than 60mmz for indoor rescue, and larger than 100mm2 for outdoor laying.
5.When the electric terminal bridge is introduced into the perforated cable traybuilding, it is necessary to effectively combine the indoor grounding main line or outdoor grounding device of the building.

Keywords：

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What problems will be encountered in the use of slot Cable tray?

Cable tray is a necessary material for hydropower construction.