An automated storage system comprising article storage racks having a plurality of storage spaces for storing articles; a stacker crane having a travelling carriage which can freely travel along a travelling path established on the front side of the articles storage racks, a platform which can freely move up and down along lifting masts stood on the travelling carriage, and a transfer device equipped on the platform to freely transfer the articles between the platform and the storage spaces; and a ground controller provided on a ground side for controlling an operation of the stacker crane; wherein said article storage racks and said stacker crane are provided in a high temperature environmental space where the temperature is kept higher than that in a normal temperature environmental space; wherein fire fighting nozzles for spreading fire extinguishant to the storage spaces are provided on the platform of the stacker crane, being supplied with fire extinguishant from a fire extinguishant supply source which freely supplies fire extinguishant; wherein said extinguishant is carbon dioxide gas; wherein the extinguishant supply source comprises a carbon dioxide cylinder; and wherein an electro-magnetic on/off valve for switching the condition between a gas supplying condition where carbon dioxide gas is being supplied from the carbon dioxide cylinder to the fire fighting hose and a gas supply stop condition is provided in the normal temperature environmental space; wherein said ground side controller is provided in the normal temperature environment space; wherein a control line connected from the ground side controller to the stacker crane is provided to transmit control signals; wherein a fire fighting hose connected from the fire extinguishant supply source to the fire fighting nozzle is provided to communicate the extinguishant from the fire extinguishant supply source to the fire fighting nozzle; and wherein said control line and said fire fighting hose are contained in a common travelling cable guide provided along the travelling path and comprise a travelling portion to be guided whose path is deformable along the course of the travelling carriage. a stacker crane having a travelling carriage which can freely travel along a travelling path established on the front side of the articles storage racks, a platform which can freely move up and down along lifting masts stood on the travelling carriage, and a transfer device equipped on the platform to freely transfer the articles between the platform and the storage spaces; and a ground controller provided on a ground side for controlling an operation of the stacker crane; wherein said article storage racks and said stacker crane are provided in a high temperature environmental space where the temperature is kept higher than that in a normal temperature environmental space; wherein fire fighting nozzles for spreading fire extinguishant to the storage spaces are provided on the platform of the stacker crane, being supplied with fire extinguishant from a fire extinguishant supply source which freely supplies fire extinguishant; wherein said extinguishant is carbon dioxide gas; wherein the extinguishant supply source comprises a carbon dioxide cylinder; and wherein an electro-magnetic on/off valve for switching the condition between a gas supplying condition where carbon dioxide gas is being supplied from the carbon dioxide cylinder to the fire fighting hose and a gas supply stop condition is provided in the normal temperature environmental space; wherein said ground side controller is provided in the normal temperature environment space; wherein a control line connected from the ground side controller to the stacker crane is provided to transmit control signals; wherein a fire fighting hose connected from the fire extinguishant supply source to the fire fighting nozzle is provided to communicate the extinguishant from the fire extinguishant supply source to the fire fighting nozzle; and wherein said control line and said fire fighting hose are contained in a common travelling cable guide provided along the travelling path and comprise a travelling portion to be guided whose path is deformable along the course of the travelling carriage.