独立电路 meaning in English

separate circuit

When a circuit designer who is a registered electrical worker for grade a , b or c considers it appropriate for the situations under consideration , additional safety measures may be used . these measures include the use of a dedicated circuit or a dedicated circuit protected by an isolating transformer
如电路设计者是a级、 b级或c级的注册电业工程人员，又认为情况适合，可使用额外的安全措施，包括使用独立电路或由隔离变压器保护的独立电路。