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See Chinese contents: GB/T 40437-2021 GB/T 40437-2021: Electrical safety -- -- Guidelines for risk early-warning
This document provides general principles and logical processes for early-warning of electrical safety risks. It gives the information on the determination of early-warning risk elements, the monitoring of early-warning risk elements, the determination of early-warning levels, early-warning measures and early-warning assessment. This document is applicable to electrical safety risk warning for electrical equipment and systems of which the AC rated voltage is 1000V and below, the DC rated voltage is 1500V and below.
