DL/T 646-2021 Active Industry standards-Electricity

\nDL/T 646-2021 Technical Specifications for the Manufacture of Steel Pipe Structures for Power Transmission and Distribution

DL/T 646-2021 DL/T 646-2021 Transmission and transformation steel structure manufacturing technical specifications

Publish Date: 2021-01-07 Implement Date: 2021-07-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: DL/T 646-2021

Standard Type: Industry standards

Standard Status: Active

is_force_gb: no

CCS Name: Electrical engineering production equipment

ICS Name: Comprehensive Electrical Engineering

Publish Date: 2021-01-07

Implement Date: 2021-07-01

Development Information

Replace the following standards

DL/T 646-2012 Electric transmission steel pipe structure manufacturing technical specification

Related Standards

GB/T 2681-1981 Abolished

GB/T 2681-1981 Colors of insulated conductors used in electrical assembly devices

Publish Date: 1981-06-12

GB/T 2682-1981 Abolished

GB/T 2682-1981 Colors of indicator lights and push-buttons used in electrical assembly devices

Publish Date: 1981-06-12

GB/T 3926-1983 Replaced

GB/T 3926-1983 Rated voltage for medium frequency equipment

Publish Date: 1983-11-11

GB/T 4064-1983 Abolished

GB/T 4064-1983 General guide for designing of electrical equipment to satisfy safety requirements

Publish Date: 1983-12-22

GB/T 4776-1984 Replaced

GB/T 4776-1984 Electrical safety terminology

Publish Date: 1984-11-30

GB/T 5080.4-1985 Active

GB/T 5080.4-1985 Equipment reliability testing—Procedure for point estimates and confidence intervals from reliability determination tests(Exponental distribution)

Publish Date: 1985-04-17