Fireproof cable trays need to be closed. If the cover plate is not closed, the fireproof effect will not be achieved. Powder-Coated Ladder Cable Tray is suitable for the laying of power cables below 10KV, control cables, lighting wiring, etc. in indoor and outdoor overhead cable trenches and tunnels. Introduction: Powder-Coated Ladder Cable Tray is mainly composed of fireproof...