Products description, There are *0 back lines to **0 back lines in the JPX**0B wires box . There are a lot of specifications. They are suitable for Programmable user switch ,inside and outside wiring, jump wiring, the test equipment. At the same time it can be used for contacting the indoor cable. You can flexible choose the security units and security arrangements. Products structure. Cabinet size: As your requirement. Rack meterial:Rack body is sheet metal parts of Q**5 or more high-quality cold rolling plate. Column supporting member thickness >>1.2MM. 2.Other parts material thickness>>1.0mm Cabinet grounding:the the cabinet has the complete grounding system. The grounding copper of *5 mm2 or more than *5 mm2 cross-sectional area should be installed on the cabinet. Cabinet surface:The whole frame is treated by electrostatic spraying, and the installation column is plated with zinc plating process or electrostatic spray treatment.