Posted by: Pdfprep
Post Date: November 8, 2020
Which of the following is the correct explanation of the insulation protection of the cabinet?
A . Since the cabinet grounding system is grounded, no insulation protection is required.
B . After the cabinet is installed, the resistance of the base and expansion bolts should be greater than 5 megohms.
C . After the cabinet is installed, the resistance of the base and expansion bolts should be less than 0.5 megohms.
D . After the cabinet is installed, the resistance of the base and expansion bolts should be greater than 30 megohms.
Answer: B
Leave a Reply