Electri uire through Bix is a necessary used ad apting to lay cable eltcric instument on comelting part.branch priont and inleetion point-pipe.and cables when the eables is let mto drive-pipe.

• 穿线盒是电动仪表的电缆穿管敷设时在套管的接连处、电缆的接头处以及分支处和拐弯处都必须采用的必不可少的连接件。