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     It is suitable for transition connedction of the electric appliances of indoors distributing device and kinds of wire and cables.It adopts T2 red copper, the surface nickle plating.  
  
        
        | type |   
        conductor(mm2) |   
        dimensions(mm) |   
         
        
        | L |   
        L1 |   
        B |   
        B1 |   
        H |   
        H1 |   
        D |   
        M |   
         
        
        | WCJB-1 |   
        16-25 |   
        39.5 |   
        15 |   
        25 |   
        16.5 |   
        13 |   
        13 |   
        8.5 |   
        5 |   
         
        
        | WCJB-2 |   
        16-25 |   
        45 |   
        15 |   
        22 |   
        18 |   
        13 |   
        13 |   
        8.5 |   
        5 |   
         
        
        | WCJB-3 |   
        25-35 |   
        52.5 |   
        15 |   
        24.5 |   
        21.5 |   
        13.5 |   
        13.5 |   
        10.5 |   
        5 |   
         
        
        | WCJB-4 |   
        50-70 |   
        61 |   
        21 |   
        31 |   
        23 |   
        18.5 |   
        18.5 |   
        10.5 |   
        6 |   
         
        
        | WCJB-5 |   
        70-95 |   
        69 |   
        24 |   
        35 |   
        23.5 |   
        20 |   
        20 |   
        10.5 |   
        6 |   
         
        
        | WCJB-6 |   
        95-120 |   
        74 |   
        20.5 |   
        42 |   
        28.5 |   
        22.5 |   
        22.5 |   
        13.5 |   
        7 |   
         
        
        | WCJB-7 |   
        102-150 |   
        73.5 |   
        30 |   
        41 |   
        27 |   
        24 |   
        24 |   
        13.5 |   
        8 |   
         
        
        | WCJB-8 |   
        150-185 |   
        76 |   
        30 |   
        42 |   
        28 |   
        24.5 |   
        24.5 |   
        13.5 |   
        8 |   
         
        
        | WCJB-9 |   
        185-240 |   
        80 |   
        32 |   
        44 |   
        30 |   
        25 |   
        25 |   
        13.5 |   
        8 |   
         
      
      
  
It is suitable for transition connedction of the electric appliances with wire and cable in indoor distribution equipment,made of brass by die-cast and coated with nickle.  
  
          
          | type |   
          conductor(mm2) |   
          dimensions(mm) |   
           
          
          | L |   
          A |   
          B |   
          d |   
           
          
          | WCJC-1 |   
          16 |   
          37 |   
          10 |   
          21 |   
          7.5 |   
           
          
          | WCJC-2 |   
          25-35 |   
          48 |   
          13 |   
          22 |   
          11 |   
           
          
          | WCJC-3 |   
          50-70 |   
          60 |   
          17 |   
          31 |   
          11 |   
           
          
          | WCJC-4 |   
          120-150 |   
          70 |   
          23 |   
          35 |   
          15 |   
           
          
          | WCJC-5 |   
          210-250 |   
          90 |   
          30 |   
          46 |   
          17 |   
           
          
          | WCJC-6 |   
          300-500 |   
          125 |   
          35 |   
          62 |   
          19 |   
           
        
       
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