Double insulate all electrical connections that an operator could touch. Double insulation ensures the operator is still protected, even if one insulation layer fails.

对于操作人员可能触及的所有电子连接都要采取双重绝缘。双重绝缘确保即使一个绝缘层失效，操作人员仍将得到保护。

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Double insulate all electrical connections that an operator could touch. Double insulation ensures the operator is still protected, even if one insulation layer fails.

对于操作人员可能触及的所有电子连接都要采取双重绝缘。双重绝缘确保即使一个绝缘层失效，操作人员仍将得到保护。

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