電纜橋架的安裝間距確實有具體的要求，以下是一些關鍵點：

The installation spacing of cable trays does have specific requirements, and the following are some key points:

多層敷設時的層間距離**：

Inter layer distance during multi-layer installation * *:

電力電纜橋架間不應小于0.3m。

The distance between power cable trays should not be less than 0.3m.

電信電纜與電力電纜橋架間不宜小于0.5m，當有屏蔽蓋板時可減少到0.3m。

The distance between telecommunications cables and power cable trays should not be less than 0.5m, and can be reduced to 0.3m when there is a shielding cover plate.

控制電纜橋架間不應小于0.2m。

The distance between control cable trays should not be less than 0.2m.

橋架上部距頂棚、樓板或梁等障礙物不宜小于0.3m。

The distance between the upper part of the bridge and obstacles such as ceilings, floors, or beams should not be less than 0.3m.

電纜橋架水平安裝時的支撐跨距**：

Support span for horizontal installation of cable tray * *:

一般為1.5～3m。

Generally, it is 1.5 to 3 meters.

電纜橋架垂直敷設時的固定點間距**：

The spacing between fixed points when laying cable trays vertically is * *:

不宜大于2m。

It should not be greater than 2m.

幾組電纜橋架在同一高度平行安裝時的凈距**：

The clear distance between several sets of cable trays installed in parallel at the same height * *:

不小于0.6m。

Not less than 0.6m.

電纜橋架與用電設備交越時的凈距**：

Clear distance between cable tray and electrical equipment crossing:

不小于0.5m。

Not less than 0.5m.

電纜橋架內纜線垂直敷設時的固定要求**：

Fixed requirements for vertical laying of cables in cable trays * *:

在纜線的上端和每間隔1.5米處應固定在橋架的支架上。

The upper end of the cable and every 1.5 meters should be fixed on the bracket of the bridge.

電纜橋架內纜線水平敷設時的固定要求**：

Fixed requirements for horizontal laying of cables in cable trays * *:

在纜線的首、尾、轉彎及每間隔3~5米處進行固定。

Fix the cable at the beginning, end, turn, and every 3-5 meters.

在水平、垂直橋架和垂直線槽中敷設線時的綁扎要求**：

Binding requirements for laying wires in horizontal, vertical cable trays and vertical trunking:

對纜線進行綁扎，綁扎間距不宜大于1.5米。

Bind the cables with a spacing of no more than 1.5 meters.

這些規范確保了電纜橋架的正確安裝和電纜的敷設，同時也考慮到了維護和散熱的需求。在實際安裝過程中，應嚴格遵守這些規定，以確保電纜橋架的和功能性。

These specifications ensure the correct installation of cable trays and the safe laying of cables, while also considering maintenance and heat dissipation needs. In the actual installation process, these regulations should be strictly followed to ensure the safety and functionality of cable trays.

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