How should a ladder be positioned relative to a vertical support according to the 4 to 1 rule?

The correct positioning of a ladder according to the 4 to 1 rule is based on the recommendation that the base of the ladder should be set 1 foot away from the vertical support for every 4 feet of height that the ladder extends up the wall or support. This guideline is designed to ensure stability and safety while using the ladder, minimizing the risk of it tipping over.

When a ladder is placed too close to a vertical support, it may cause the ladder to become unstable, potentially resulting in falls or accidents. The 4 to 1 rule provides a straightforward method for achieving the proper angle of elevation, which is typically about 75 degrees, allowing for safe climbing and working conditions. It's important for users to adhere to this standard to promote responsible ladder use and to maintain a safe working environment.