Sibille TT015M Insulated Work Platforms. The TT015M series of insulated work platforms from Sibille. A single piece moulded plastic work platform with anti-slip tray. The series also features fixed insulated legs, inclined to keep the platform away from contact with a vertical wall. Designed to help protect the user during live working, accidental contact or flashover when working on or next to energised systems. Features:. 24 kV or 45 kV versions available