Hard Hat Types and Classes Explained: Type I, Type II, and Class E, G, C
Before you buy, it helps to understand hard hat types and classes, because the labels are not interchangeable and the wrong choice can mean the wrong protection. Hard hats are sorted by where they protect the head (Type) and by their electrical rating (Class), and matching both to your job site is what keeps a crew compliant and safe. This guide explains the system in plain English so you order the right helmets.
Two simple questions, where impacts come from and whether electrical hazards are present, point you to the correct type and class.
Type I vs Type II
Type I hard hats protect against impacts to the top of the head, the traditional design. Type II add side-impact protection, important where objects or hazards can strike from an angle. Choose based on the impact risks on your site.
| Designation | Protects against | Typical use |
|---|---|---|
| Type I | Top impacts | General construction |
| Type II | Top + side impacts | Higher-hazard sites |
| Class E | High-voltage (electrical) | Utility / electrical |
| Class G | Low-voltage (general) | Most job sites |
| Class C | No electrical rating | Conductive, vented |
Pick the Type for impact direction and the Class for electrical hazard.
Understanding the Classes
Class G (General) handles low-voltage protection and suits most sites. Class E (Electrical) is rated for high-voltage environments like utility and electrical work. Class C (Conductive) offers no electrical protection and often includes vents for comfort, so it is only appropriate where there is no electrical hazard. Always match the class to the electrical conditions of the work.
Full Brim vs Cap Style
Beyond type and class, the brim style is a comfort and protection choice: full-brim hard hats shed rain and sun all the way around, while cap-style hats are lighter and pair easily with face shields. Both come in the various types and classes, so choose the brim based on the environment and worker preference.
Buy to the Standard
Whatever you choose, confirm the hats meet the recognized safety standard and carry the correct markings inside the shell. Ordering helmets that clearly state their type and class keeps your site inspection-ready and your crew protected. When in doubt, match the spec to your site safety plan.
Need the right helmets for your site? GetCustomHardHats supplies compliant hard hats you can brand. Learn more about us or get a quote.
Outfitting a whole crew? See our custom hard hats branding and bulk ordering guide.
