SL 438-2008
Specifications for design secondary circuit of hydroengineering (English Version)

Standard No.

SL 438-2008

Language

Chinese, Available in English version

Release Date

2008

Published By

Professional Standard - Water Conservancy

Latest

SL 438-2008

Scope

This standard is applicable to the design of secondary wiring for newly built large and medium-sized water conservancy and hydropower projects. Reconstruction and expansion projects can refer to it for implementation.

SL 438-2008 Referenced Document

• GB 50116 Code for design of automatic fire alarm system*， 2013-09-06 Update
• GB/T 14285 Technical regulations for relay protection and safety automatic devices*， 2023-11-27 Update
• GB/T 50063 Code for design of electrical measuring instrumentation devices for power installations*， 2017-07-01 Update
• SL 252 Classification of water conservancy and hydropower projects and flood standards*， 2017-01-09 Update

SL 438-2008 history

• 2008 SL 438-2008 Specifications for design secondary circuit of hydroengineering