Defined as "work involving burning, welding, or similar operation that is capable of initiating fires or explosions".
- Hot work also includes other activities with the potential to create a source of ignition such as cutting, brazing, grinding, soldering, or hot riveting.
- The OSHA hot work standard 29 CFR 1910.251-257, defines practices that should be implemented during the performance of hot work. This standard covers the safety requirements of the different types of welding processes. In addition, refer to the UNC-CH IMAC Safety Manual for Welding and Cutting Safety Policy Requirements.