Engine: Refrigeration AC

1. A They are rated by type as it applies to direction of impact protection, and they are rated by class of service as it applies to protection from exposure to electrical voltage.
2. B They are rated by class of service as it applies to protection from exposure to electrical voltage only, such as no voltage, limited voltage, and high voltage protection.
3. C They are rated by type as it applies to direction of impact protection only, such as impacts from the top or impacts from the top and side.
4. D They are rated by whether or not the headband is adjustable and by the length of the bill on the shell.

Tip: press A-D to answer