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DL/T 257-2024 PDF English

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DL/T 257-2024: (Technical requirements for construction, acceptance and maintenance of composite insulators for high voltage overhead lines)
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Status: Valid

DL/T 257: Historical versions

Std IDVersionUSDBuyDeliver [PDF] inTitle (Description)
DL/T 257-2024English299 Add to Cart 3 days [Need to translate] (Technical requirements for construction, acceptance and maintenance of composite insulators for high voltage overhead lines)
DL/T 257-2012English559 Add to Cart 3 days [Need to translate] Installation, operation and maintenance specification of composite insulators for a.c. and d.c. overhead lines with a nominal voltage greater than 1000V

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Basic data

Standard ID DL/T 257-2024 (DL/T257-2024)
Description (Translated English) (Technical requirements for construction, acceptance and maintenance of composite insulators for high voltage overhead lines)
Sector / Industry Electricity & Power Industry Standard (Recommended)
Classification of Chinese Standard K48
Word Count Estimation 13,198
Date of Issue 2024-09-24
Date of Implementation 2025-03-24
Older Standard (superseded by this standard) DL/T 257-2012
Issuing agency(ies) National Energy Administration

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