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Database: 189759 (19 Oct 2025)
JB/T 10181.22-2014 English PDF
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JB/T 10181.22-2014
: Electric cables. Calculation of the current rating. Part 22: Thermal resistance. A method for calculating reductionfactors for groups of cables in free air, protected from solar radiation
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Standard ID
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Standard Title (Description)
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JB/T 10181.22-2014
English
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Electric cables. Calculation of the current rating. Part 22: Thermal resistance. A method for calculating reductionfactors for groups of cables in free air, protected from solar radiation
Valid
JB/T 10181.22-2014
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Basic data
Standard ID
JB/T 10181.22-2014 (JB/T10181.22-2014)
Description (Translated English)
Electric cables. Calculation of the current rating. Part 22: Thermal resistance. A method for calculating reductionfactors for groups of cables in free air, protected from solar radiation
Sector / Industry
Mechanical & Machinery Industry Standard (Recommended)
Classification of Chinese Standard
K13
Classification of International Standard
29.060.20
Word Count Estimation
10,156
Date of Issue
5/6/2014
Date of Implementation
10/1/2014
Older Standard (superseded by this standard)
JB/T 10181.4-2000
Quoted Standard
IEC 60287-2-1
Adopted Standard
IEC 60287-2-2-1995, IDT
Regulation (derived from)
Ministry of Industry and Information Technology - Announcement 2014 No 32; Industry standards for filing notice 2014 No. 6 (total 174).
Issuing agency(ies)
Ministry of Industry and Information Technology
Summary
This Standard specifies the method of calculating free air are not subject to direct sunlight to reduce the carrying capacity of the cable group factor. This Standard applies to any type of flat-laying cable or cable group, the same diameter and the same