The installation of cable warning piles should pay attention to the following points:

1. 選擇合適的位置：安裝電纜警示樁時，需要選擇距離電纜地下埋深位置適當的地方，確保能夠清晰示出電纜的存在和位置。

1. Choose a suitable location: When installing cable warning piles, it is necessary to choose a location that is appropriate to the buried depth of the cable underground, to ensure that the presence and location of the cable can be clearly marked.

2. 埋設深度：電纜警示樁的埋設深度應根據電纜的類型和規格而定，一般來說，一級和二級電纜應埋設在50cm以上，三級電纜應埋設在70cm以上，以確保電纜受到足夠的保護。

2. Burial depth: The burial depth of cable warning piles should be determined based on the type and specification of the cable. Generally, primary and secondary cables should be buried at least 50cm, and tertiary cables should be buried at least 70cm to ensure sufficient protection of the cable.

3. 安裝方式：電纜警示樁通常有兩種安裝方式，即固定式和移動式。固定式電纜警示樁需在地面固定，一般用于長期保護電纜的位置；移動式電纜警示樁則不需固定，適用于臨時施工或維修等情況。

3. Installation method: There are usually two installation methods for cable warning piles, namely fixed and mobile. Fixed cable warning piles need to be fixed on the ground, usually used for long-term protection of cable positions; Mobile cable warning piles do not need to be fixed and are suitable for temporary construction or maintenance situations.

4. 警示標識：電纜警示樁的外觀要醒目，可以采用明亮的顏色進行標示，如鮮黃色、紅色等，以便提醒施工人員和行人避免對電纜造成損壞。

4. Warning signs: The appearance of cable warning piles should be eye-catching, and bright colors such as bright yellow, red, etc. can be used to remind construction personnel and pedestrians to avoid damage to the cables.

5. 強度和耐久性：電纜警示樁需要具備足夠的強度和耐久性，能夠承受外力和環境條件的影響，保證長期有效使用。

5. Strength and Durability: Cable warning piles need to have sufficient strength and durability to withstand external forces and environmental conditions, ensuring long-term effective use.

6. 相互距離：電纜警示樁之間的間距應根據電纜埋設深度和電纜類型而定，通常要保持一定的間距，以便施工時避免誤傷其他電纜。

6. Mutual distance: The distance between cable warning piles should be determined based on the depth of cable burial and the type of cable, usually maintaining a certain distance to avoid accidental injury to other cables during construction.

7. 標明電纜類型：在電纜警示樁上標明電纜的類型，有助于施工人員正確識別和處理不同類型的電纜，避免因誤判而引發事故。

7. Indicating cable type: Marking the type of cable on the cable warning post helps construction personnel correctly identify and handle different types of cables, avoiding safety accidents caused by misjudgment.

8. 養護管理：定期檢查和維護電纜警示樁，確保其正常使用和功能完好，如有損壞或失效應及時更換或修復。

8. Maintenance management: Regularly inspect and maintain cable warning piles to ensure their normal use and functional integrity. If there is any damage or failure, they should be replaced or repaired in a timely manner.

值得注意的是，在安裝電纜警示樁前，應先了解相關法規和施工規范，并與相關部門進行溝通和確認，以確保符合要求。

It is worth noting that before installing cable warning piles, it is necessary to first understand relevant regulations and construction specifications, and communicate and confirm with relevant departments to ensure compliance with requirements.