PROCESS INSPECTION

STAGE/PROCESS

TO CHECK



Wire Conductor



Diameter and surface finish
Elongation/Anealing Test(For Copper (Conductor)
Tensile Strength and wrapping test (For Aluminium)
Resistance of the wire



Bunching/twisting



Number of string
Dimension of conductor
Resistance of bunched twisted


Standing



Numbers of string (For Bunched conductor)
Surface of the conductor
Dimension of the conductor
Conductor resistance

Pvc Extrusion



Thickness of insulation
Surface and eccentricity
Dimensions of Insulated conductor
Conductor resistance

ROUNTING TEST/TYPE TEST


1. Conductor Resistance Test
2. High Voltage Test

Test on conductor:
1. Annealing Test (for Copper)
2. Tensile Test (For Aluminium/copper)
3. Wrapping Test (Aluminium)
4. Conductor Resistance Test

Test for armouring wires/strips

Test for thickness of insulation and sheath

Physical Test for insulation and sheath
1. Tensile and elongation at break
2. Ageing in air oven
3. Shrinkage Test
4. Hot Deformation
5. Loss of mass in air over
6. Heat Shock Test
7. Thermal Stability Test


Insulation resistance Test

High Voltage Test at room temperature

High Voltage Test (Water immersion Test)

Flammability Test