QUALITY ASSURANCE

RAW MATERIAL

S
NO
COMPONENT &
 OPERATION
CHARACTERISTICS
CLASS
TYPE OF
CHECK
QUANTUM
 OF CHECK
ACCEPTANCE
NORMS
1

Aluminum Wire/
Copper Wire
Diameter
Major
Measurement
As per IS: 2500 (I) (AQL4%)
Internal
Tensile Strength (For Aluminum)
do
Mechanical
Do
-
Annealing (For Copper)
do
Mechanical
Do
-
Wrapping Test (For Aluminum)
do
Mechanical
Do
do
Resistivity
do
Electrical
Do
do
Surface Smoothness
do
Visual
100%
do
2
 PVC Insulation Compound Tensile Strength Before & After Ageing
Major
Mechanical
As per IS: 2500 (I) (AQL4%)
Data Sheet as per IS:5831
Elongation Before & After Ageing
do
Do
Do
Data Sheet as per IS:5831
Volume Resistivity
do
Electrical
Do
do
Thermal Stability
do
Measurement
Do
do
Specific Gravity
do
Measurement
Do
do
3
 Steel Wire/ Steel Strip
Tensile Strength
Major
Mechanical
As per IS: 2500 (I)(AQL4%)
As per IS:3975
Elongation
do
do
do
do
Torsion Test
do
do
do
do
Dip Test/Wt. of Zn Coating
do
Chemical
do
do
Resistivity
do
Electrical
do
do
Diameter
do
Measurement
do
do
Surface finish & Uniformity of Zn coat
do
Visual
do
do
4
PVC Outer Sheath Compound
Tensile Strength Before & After Ageing
Major
Mechanical
As per IS:2500 (I)  (AQL4%)
Data Sheet as per IS:5831
Elongation Before & After Ageing
do
do
Do
As per IS:5831
Thermal Stability
do
Physical
Do
do
Loss Of Mass
do
do
Do
do
Test For FRLS Properties
Specific Gravity
do
Measurement
1 sample from each lot
-
Oxygen Index
do
Fire Test
1 sample from each lot
Data Sheet as per ASTM-D-2863/77
Temp. Index
do
do
Do
do
Smoke Density Rating
do
do
Do
do
Acid Gas Generation
do
Chemical
Do
Data Sheet as per IEC-754-1
7
Wooden Drum
Dimensions
Major
Measurement
1 sample from each lot
-
Quality of Wood & Workmanship
Do
Visual
Do
-


IN PROCESS

Nominal Area Of Conductor (Sq.mm)
No. / dia
Of Strands
(mm.)
Nominal
Conductor
Dia. (mm)
Nominal
Insulation
Thickness(mm)
Nominal
Core Dia.
(mm)
Maximum
D.C. Resistance
At 20°C  (Ω/km)
Current
Rating
(Amps.)
0.50
16/0.20
0.94
0.60
2.20
39.0
4
0.75
24/0.20
1.20
0.60
2.50
26.0
7
1.0
32/0.20
1.34
0.60
2.60
19.5
11
1.5
30/0.25
1.64
0.60
2.90
13.3
14
2.5
50/0.25
2.08
0.70
3.50
7.98
19
4
56/0.30
2.61
0.80
4.30
4.95
26
6
84/0.30
3.50
0.80
5.30
3.30
31
10
80/0.40
4.60
1.00
6.70
1.91
42
16
126/0.40
5.90
1.00
8.20
1.21
57
25
196/0.40
7.60
1.20
10.00
0.78
71
35
276/0.40
8.70
1.20
11.30
0.554
91
50
396/0.40
10.60
1.40
13.50
0.386
120
70
354/0.50
12.30
1.40
15.10
0.272
161
95
484/0.50
14.70
1.60
17.90
0.206
200
120
608/0.50
16.70
1.60
20.90
0.161
225
150
750/0.50
18.30
1.80
22.50
0.129
265
185
925/0.50
20.00
2.00
24.60
0.106
310
240
1221/0.50
23.00
2.20
27.60
0.0801
380
300
1527/0.50
27.20
2.40
32.00
0.0641
465
400
2036/0.50
30.50
2.60
35.70
0.0486
550
500
2540/0.50
32.00
2.80
38.00
0.0384
635
630
3200/0.50
39.00
2.80
45.50
0.0287
725


FINAL TESTING

S
NO
COMPONENT &
 OPERATION
CHARACTERISTICS
CLASS
TYPE OF
CHECK
QUANTUM
 OF CHECK
ACCEPTANCE NORMS
1
Routine Test

Conductor Resistance
Major
Electrical
100%
As Per Data Sheet

High Voltage Test
do
do
do
do
2
  
Type Test

All dimensional check, electrical tests
Major
do
One sample of each size
As Per Data Sheet

Physical Tests for Insulation & Sheath
do
do
One sample of each size
As Per Data Sheet
FRLS TESTS ON OUTER SHEATH

Acid Gas Generation
Major
Test For FRLS Properties
One sample of each size
As Per Data Sheet

Smoke Density Rating
do
do
do
Do

Oxygen Index
do
do
do
Do

Temp. Index
do
do
do
Do

Flammability Test IEEE-383
do
do
do
Do

Swedish Chimney Test
do
do
do
do
3
Acceptance Test

Conductor Resistance
Major
Electrical
10% of Total Drums
do

High Voltage Test
do
do
100%
do

Insulation Resistance Test
do
do
100%
do

Test For Thickness of Insulation & Sheath
do
Measurement
100%
do

Tensile Strength & Elongation at break of Insulation & Sheath
do
Mechanical
do
Do
FRLS TESTS ON SHEATH

Acid Gas Generation
Major
Test For FRLS Properties
One sample of each size
Data Sheet

Smoke Density Rating
do
do
do
do

Oxygen Index
do
do
do
do

Temp. Index
do
do
do
do

Flammability Test IEEE-383
do
do
do
do

Swedish Chimney Test
do
do
do
do