What color typically represents the acetylene hose in welding setups?

The color that typically represents the acetylene hose in welding setups is red. This color coding is crucial for safety and identification purposes in welding environments. By using red for acetylene, it distinguishes this particular gas hose from others, such as the oxygen hose, which is usually green.

This color-coding system minimizes the risk of accidents and ensures that welders can quickly and accurately connect the correct hoses to the appropriate gas cylinders, which is essential for safe operation. Being aware of the color coding not only helps prevent hazardous situations but also contributes to efficient workflow during welding activities.