1 vernier callipers 4, 17. 1. 1, 5. 3, 8. 3, 9 measurement of thickness & outer dia. 2 steel scale 10. 4, 4. 1, 5. 4 measurement annealing and, Of flammability elongation 3 micrometer 4, 17. 1. 1 measurement of wire dia. 4 measuring microscope 4, 17. 1. 1, 10 measurement of thickness insulation & sheath and hot deformation test 5 graduated magnifying glass 4, 17. 1. 1, 10 measurement of thickness insulation & sheath and hot deformation test 6 tensile testing machine 10 elongation test, Tensile strength & annealing test 7 dumb, Bell device for cutting equipped with die 10 tensile strength & elongation test 8 hot air oven with thermostatic temperature controller 10 heat shock, Hot deformation & shrinkage test 9 thermal ageing oven with thermostatic air flow, Temperature controller meter & hour meter 10 tensile strength & elongation loss of, After ageing mass test 10 water bath with thermostatic temperature controller, Stirrer & hour meter 10. 1, 10. 2 water immersion a. C. & d. C. Test, Insulation resistance constant/ volume resistivity test 11 megohmmeter 10. 1 insulation resistance constant/ volume resistivity test 12 heat shock mandrels 10 heat shock test