Product Applications COTRAN JJC series insulation piercing connectors are applicable for all types of LV-ABC conductors as well as connections in service line system, building electrical system and street lighting system. installation of JJC can be easily done by tightening bolts to forceteeth penetrate insulation of main line and tap line simultaneously. Stripping of insulation is avoided for both lines. Feature Material: insulation material made of weather resistant polymer. Contact teeth made of tinned brass or copper or aluminum. Meet standard requirements: EN 50483-4, NF C33-020, NF C33-004 Specification Type Main line section (mm²) Branch section (mm²) rated current (A) Dimensions  (mm) Weight (g) Piercing Depth (mm) No. of bolts JJC888 0.75-6 0.75-6 41 21*27*23 10 1-1.5 1 JJC-1 1.5-25 1.5-10 55 27*41*62 55 1.5-2 1 JJC-2 16-95 1.5-10 55 27*41*62 55 1-2 1 JJC-3(A) 6-50 4-25 157 42*45*62 110 2.5-3.5 1 JJC-3 16-95 4-35(50) 157 46*52*87 160 2.5-3.5 1 JJC-4 50-150 6-35(50) 157 46*52*87 162 2.5-3.5 1 JJC-5 25-95 25-95 214 50*61*100 198 3-4 1 JJC-5-1 16-120 16-120 214 50*61*100 198 3-4 1 JJC-6 (35)50-150 (35)50-150 316 50*61*100 280 3-4 1 JJC-7 120-240 25-120 276 52*68*100 360 3-4 1 JJC-7-1 150-240 10-25 102 52*68*100 336 3-4 1 JJC-8 95-400 35-300 425 83*130*130 1050 5-6 2