According to NEC requirements, which surface condition should NOT be present in a working space?

A working space, as defined by the National Electrical Code, is intended to provide a safe environment for electrical personnel to perform maintenance and work on electrical equipment. For this space, it is crucial that the surfaces are stable and do not present hazards that could compromise safety or work efficiency.

An inclined surface could lead to instability and potential accidents, as tools and equipment may slide or roll, increasing the risk of users losing their footing or having items fall. This condition could create a workplace hazard that is not acceptable in a professional setting.

In contrast, flat, level, and even surfaces provide a secure foundation for working with tools and accessing electrical systems. They reduce the likelihood of accidents and allow for proper movement and placement of equipment. Ensuring that working spaces comply with these surface conditions is part of maintaining a safe and effective work environment according to NEC requirements.