Explosion -proof steel wire ropes Electric gourd exposed explosion -proof parts are made of special sparkless materials. The motor, electrical appliances, running wheels, car hooks, hooks, operating handles, etc. of explosion -proof electrical gourds are explosion -proof. Sparks, the explosion -proof performance is reliable. It can be used between minus 25 degrees from minus 25 degrees and 40 degrees. If it is necessary to use it outdoors, a protective device must be added.