NEMA ST 20:2021現行
Dry Type Transformers for General Applications
出版：
專家解讀視頻
基本信息
標準編號： NEMA ST 20:2021
標準類別：Standard
出版單位：
標準頁數：0
標準簡介
This technical publication applies to single-phase and polyphase dry-type transformers (including autotransformers and non-current-limiting reactors) for supplying energy to power, heating, and lighting circuits and designed to be installed and used in accordance with the National Electrical Code?.1
