What is the quota for YJV cable sets: analysis and structured data of hot topics across the entire network
Recently, the issue of "what is the quota for YJV cable covers" has triggered widespread discussions in the fields of construction, power and engineering cost. This article will combine the hot content of the entire network in the past 10 days and provide you with a detailed answer to this question through structured data analysis.
1. Core issues in the application of YJV cable quotas
YJV cable, as a cross-linked polyethylene insulated power cable, is widely used in construction projects. Its quota application mainly involves the following factors:
| Influencing factors | Specific instructions |
|---|---|
| Cable specifications | Cross-sectional area (such as 4mm², 10mm², etc.) directly affects the quota number |
| Laying method | Different methods such as exposed/hidden application, pipe/bridge, etc. correspond to different sub-headings. |
| Project type | Building electrical/municipal electricity/industrial installation, etc. adopt different quota standards |
2. Comparison table of major national quota standards
According to the latest quota standards in various places, the common application rules for YJV cables are as follows:
| Region/Standard | Quota number example | Scope of application |
|---|---|---|
| National unified quota | 2-698 to 2-715 | Construction electrical engineering |
| Beijing 2021 Quota | DE-0241~DE-0260 | Municipal power engineering |
| Shanghai 2020 Quota | SD4-3-12~SD4-3-28 | Industrial equipment installation |
3. Recent hot and controversial issues
By analyzing industry discussions in the past 10 days, we found the following hot controversies:
1.Cable head production controversy:Some users reported that there are regional differences in whether the cable head production fee in the quota includes the main material fee, and they need to pay special attention to the new regulations in Beijing and other regions.
2.Sectional area division:For large-section cables above 240mm², some regions adopt the coefficient adjustment method, which is different from the standard subheading in calculation methods.
3.Fireproof cable cover:Whether flame-retardant YJV cables (such as WDZ-YJV) are suitable for ordinary quotas has triggered discussion. In fact, the special quotas for fire protection engineering should be referred to.
4. Operation Guide for Quota Application
To correctly apply YJV cable ratings, you need to follow the following steps:
| steps | Operational points |
|---|---|
| first step | Confirm the quota version adopted for the project (such as 2018 version/2020 version) |
| Step 2 | Determine the cable model, specifications and laying method according to the design drawings |
| Step 3 | Consult the "Cable Laying" chapter in the Rating Catalog |
| Step 4 | Pay attention to the engineering quantity calculation rules (including additional length, etc.) |
5. Suggestions from industry experts
1. For EPC projects, it is recommended to clarify the quota application rules during the bidding stage to avoid settlement disputes.
2. Pay attention to the material adjustment coefficients released monthly by various provincial and municipal cost stations, and adjust the prices of cable main materials in a timely manner.
3. New cable products (such as aluminum alloy cables) must refer to local supplementary quotas.
Through the above structured data analysis, I believe you have a comprehensive understanding of the issue of "What is the quota for YJV cable sets?" In actual application, please refer to the latest quota text and the explanation of the local cost department.
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