Question

what does a hard hat marking/rating of class c mean?
top impact protection
top and side impact protection
not electrically rated
electrical rating
reverse donning
higher and lower temperature rated

Explanation:

Hard hat Class C means the hard hat is not electrically rated (it provides no protection against electrical hazards, unlike Class E or G which have electrical ratings, and focuses on impact protection but without electrical safety features). The other options: "Top Impact Protection" is more related to some basic impact - only, but Class C's key electrical aspect is non - rating; "Top and side impact protection" is about impact type not electrical; "Electrical Rating" is opposite as Class C has none; "Reverse donning" and "Higher and lower temperature rated" are unrelated to Class C's definition.

Answer:

C. Not electrically rated