What is the required marking on conduit bodies that contain splices?

The required marking on conduit bodies that contain splices is volume markings. These markings indicate the internal volume of the conduit body, which is essential for proper installation and compliance with electrical codes. When splices are made, the volume is critical because it ensures that there is enough space within the conduit body to accommodate the conductors and any connectors or splices without overcrowding. This is important for maintaining safety, preventing overheating, and ensuring that the installation adheres to electrical standards and practices. Accurate volume markings assist electricians in determining whether the conduit body is adequately sized for the intended use based on the number of conductors and their sizes. Proper labeling fosters compliance and enhances safety in electrical installations.