Wiring enclosures (steel or metal tubing, flexible metal, rigid, flexible and corrugated insulating conduit to AS/NZS 2053 or 61386) are installed soundly to give the protection required, and enclosures on roofs must not block drainage or trap debris (run across the profile or on standoffs).
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.