Common Hazards第 30 / 100 题
Which hard hat class provides electrical protection up to 20,000 volts?
a.Class C
b.Class G
c.Class E
d.There is no such rating
解析
Class E (Electrical) hard hats are tested to provide protection against contact with up to 20,000 volts. Class G (General) is rated to 2,200 volts, and Class C (Conductive) offers no electrical protection. Selecting the right class matters near energized equipment.
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