S. NO |
COMPONENT &
OPERATION |
CHARACTERISTICS |
CLASS |
TYPE OF
CHECK |
QUANTUM
OF CHECK |
ACCEPTANCE
NORMS |
1 |
Copper Bar/Rod |
Purity & Chemical Composition |
Major |
Chemical |
100% |
IS:613 |
2 |
Copper Wire |
Diameter |
Major |
Measurement |
As per IS: 2500 (I) (AQL4%) |
Data Sheet |
| Elongation |
Do |
Mechanical |
do |
- |
| Persulphate Test(Tinned Cu) |
Do |
Chemical |
do |
do |
| Resistivity |
Do |
Electrical |
do |
do |
| Surface Smoothness/Cleanliness |
Do |
Visual |
100% |
do |
3 |
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 |
1 sample from each lot |
- |
| Loss Of Mass |
Do |
Physical |
do |
As per IS:5831 |
4 |
Polyester Tape/ Aluminum Mylar tape |
Thickness |
Major |
Measurement |
100% |
Data sheet |
| Width |
Do |
Do |
100% |
do |
| General Condition of Lapping |
Do |
Do |
100% |
do |
| Continuity |
Do |
Electrical |
100% |
do |
5 |
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 |
| 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 |
6 |
Steel Wire |
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 |
Do |
do |
do |
| Resistivity |
Do |
Electrical |
do |
do |
| Diameter |
Do |
Measurement |
do |
do |
| Surface finish & Uniformity of Zn coat |
Do |
Visual |
do |
do |
7 |
Wooden Drum |
Dimensions |
Major |
Measurement |
1 sample from each lot |
- |
| Quality of Wood & Workmanship |
Do |
Visual |
do |
do |
S
NO |
|
CHARACTERISTICS |
|
|
|
|
| 1 |
Conductor |
Dia. Of Wires |
Major |
Measurement |
At the time of setting + 1 time in shift |
Data Sheet |
No. of Wires |
do |
Counting |
do |
do |
Winding of conductor |
do |
Visual |
Each spool |
do |
Surface Finish |
do |
do |
Do |
Do |
Resistance |
do |
Electrical |
1 sample per shift |
Data sheet |
| 2 |
Insulation |
Type of Compound |
Major |
Visual |
At the time of setting + 2 time in shift |
Data Sheet |
Insulation Thickness |
do |
Measurement |
Both ends of each core length |
do |
Surface Finish |
do |
Visual |
At the time of setting + 2 time in shift |
Surface should be Smooth |
Spark Test |
do |
Electrical |
Throughout the length |
Design Sheet |
Dimension of Insulated Core |
do |
Measurement |
At the time of setting + 2 time in shift |
Data sheet |
Color Of Core |
do |
Visual |
Each core Length |
Do |
Eccentricity |
do |
do |
do |
Do |
| 3 |
Pairing / Laying up |
Lay Length |
Major |
Measurement |
At the time of setting |
Data sheet |
Sequence /Identification |
do |
Visual |
do |
Do |
Laid up Diameter |
do |
Measurement |
At the time of setting + 2 time in shift |
Design Sheet |
Continuity of Conductor |
do |
do |
Before & After Laying Up |
Do |
Binder Tape (Laying up) |
do |
do |
do |
Do |
| 4 |
Screening & Drain Wire |
Type Of Material |
Major |
Visual |
At the time of setting |
Data Sheet |
Dimension of Tape |
do |
Measurement |
At the time of setting + 2 time in shift |
Data Sheet |
Overlap/ Coverage |
do |
do |
do |
Data Sheet |
Size Of Drain Wire |
do |
do |
do |
Do |
Continuity |
do |
Check |
Each Length |
Do |
Surface Finish |
do |
Visual |
At the time of setting + 2 time in shift |
Surface should be Smooth |
| 5 |
Inner Sheath |
Type of Compound |
Major |
Visual |
At the time of setting + 2 time in shift |
As per Data Sheet |
Min. Thickness of Sheath |
do |
Measurement |
Both ends of each length |
Do |
Dia. Over Inner Sheath |
do |
do |
At the time of setting + 2 time in shift |
Design Sheet |
General Condition of Inner Sheath |
do |
Visual |
do |
Do |
Color |
do |
do |
do |
Data Sheet |
| 6 |
Armouring |
Type of Material |
Major |
Visual |
At the time of setting + 2 time in shift |
As per Data Sheet |
No. Of Wires |
do |
Counting |
At the time of setting |
IS:3975 |
Dia. Of Wires |
do |
Measurement |
do |
Design Sheet |
Direction Of Armouring |
do |
Visual |
do |
As per Data sheet |
Dia. Over Armouring |
do |
Measurement |
do |
As Per IS:1554(1) |
Check for over Raiding & Gapes |
do |
Visual |
At the time of setting + 2 time in shift |
Design Sheet |
