JB/T 10491-2022Cross-linked polyolefin insulated wires and cables with rated voltages up to and including 450/750V (English PDF)
额定电压 450/750V 及以下交联聚烯烃绝缘电线和电缆
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Issued by
MIIT
Level / Type
Industry · Recommended
Issue date
October 20, 2022
Implementation date
April 1, 2023
Scope
JB/T 10491-2022 is the English-translated version of 额定电压 450/750V 及以下交联聚烯烃绝缘电线和电缆.
Cross-linked polyolefin insulated wires and cables for rated voltages up to and including 450/750 V are the subject of JB/T 10491-2022. The standard fixes the product construction, the tests and technical requirements, the delivery lengths, the rules for inspection and acceptance, and the marking and packaging.
It applies to the manufacture of copper-conductor cross-linked polyolefin insulated wires and cables used for fixed wiring and for connecting electrical and electronic equipment at those voltages.
Issued on 30 September 2022 by the Ministry of Industry and Information Technology, it replaces JB/T 10491.1-2004 and has been in force since 1 April 2023.
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Document preview — JB/T 10491-2022
National Standard of the People's Republic of China
- Replacing
- JB/T 10491.1-2004
Issued by: Ministry of Industry and Information Technology of the People's Republic of China
Contents
- 1 Scope
- 2 Normative references
- 3 Terms and definitions
- 4 Codes
- 5 Model, size and method of designating the product
- 5.1 Model
- 5.2 Size
- 5.3 Method of designating the product
- 6 General requirements for the construction of the cable
- 6.1 Conductor
- 6.2 Insulation
- 6.3 Laying up, filling and covering of the insulated cores
- 6.4 Sheath
- 6.5 Marking
- 7 Tests and requirements for the finished cable
- 7.1 Electrical performance
- 7.2 Overall dimensions
- 7.3 Hot water immersion test of the sheath
- 7.4 Bending test
- 7.5 Insulation resistance test
- 7.6 Long term direct voltage withstand test of the insulation
- 7.7 Surface resistance test of the sheath
- 7.8 Burning performance test of wires and cables
- 7.9 Assessment of the halogens
- 7.10 Smoke density of the cable
- 7.11 Ozone resistance test (where applicable)
- 7.12 Toxicity hazard of the smoke produced by the material (where applicable)
- 8 Delivery length
- 9 Inspection and acceptance rules
- 9.1 Inspection
- 9.2 Acceptance rules
- 10 Marking and packaging
What this standard covers
This standard specifies the product structure, test and technical requirements, delivery length, inspection and acceptance rules, marking and packaging of cross-linked polyolefin insulated wires and cables with a rated voltage of 450/750V and below. This standard applies to the manufacture of cross-linked polyolefin insulated wires and cables with copper conductors for fixed wiring connections and electrical and electronic equipment connections with rated voltages up to and including 450/750V.
Document data
Chinese classification (CCS): K13.
Estimated length of the Chinese original: 31,318 words.
Supersedes the earlier edition JB/T 10491.1-2004.
3 Terms and definitions
4 Codes
5 Model, size and method of designating the product
6 General requirements for the construction of the cable
7 Tests and requirements for the finished cable
8 Delivery length
9 Inspection and acceptance rules
10 Marking and packaging
......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 26 pages — is available in the English PDF.
Similar standards
Editions of JB/T 10491
| Edition | Title | Revision | Status |
|---|---|---|---|
| JB/T 10491-2022 | Cross-linked polyolefin insulated wires and cables with rated voltages up to and including 450/750V | current edition | Current |
| JB/T 10491.1-2004 | Cross-linked polyolefin insulated wires and cables with rated voltages up to and including 450/750V | previous edition | Superseded |
This page sells the current edition, JB/T 10491-2022. Earlier editions are listed for reference only.
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Related Standards
JB/T 10491.1-2004 — Cross-linked polyolefin insulated wires and cables with rated voltages up to and including 450/750 V - Part 1: General requirements
JB/T 10491.2-2004 — Cross-linked polyolefin insulated wires and cables with rated voltages up to and including 450/750 V - Part 2: Cross-linked polyolefin insulated wires and cables with 105 °C heat resistance
JB/T 10491.3-2004 — Cross-linked polyolefin insulated wires and cables with rated voltages up to and including 450/750 V - Part 3: Cross-linked polyolefin insulated wires and cables with 125 °C heat resistance
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JB/T 10491-2022
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