Specific Criteria for Electrical Testing Laboratories

CONTENTS

Sl Title Page
Amendment Sheet i
Contents ii
1. Introduction 1
2. Scope of Document 2
3. References 3
4. Classification of Tests 4
5. Scope of Accreditation 5
6. Grant of Accreditation 7
7. Management Requirement 8
8. Technical Requirement 9
9. Safety 13
10. Proficiency Testing in Electrical Testing 16
Annexure I –Tests under Broad Areas 17
Annexure II –Sample: Scope of Accreditation 104
Annexure III –Instrument Accuracy Limits 107
Annexure IV –Important tests for Proficiency Testing in Electrical Testing 111

CLASSIFICATION OF TESTS

The field of Electrical testing can broadly be classified into following groups of Products
& Test facility areas:
Group of Products
1. Switchgear equipment
2. Rotating electrical machines
3. Transformers and Reactors
4. Transmission line equipment and accessories
5. Cables and accessories
6. Power Capacitors
7. Lamps, Luminaries and accessories
8. Wiring accessories
9. Domestic Electrical appliances
10. Power Stabilisers and UPS - Stabilised Power Supplies
- Uninterrupted Power Systems
- Servo Operated AC Voltage Stabilisers
11. Batteries
12. Power system protection relays
13. Measuring instruments - Electrical and Electronic Instruments and Transducers
- Electrical and Electronic (Static) Energy Meters
14. Electrical materials - Solid Insulating material
- Liquid dielectric materials
- Magnetic materials
- Conductors
Test Facilities
15. High Voltage test facility
16. Short Circuit test facility
17. Electromagnetic interference (EMI) / Electromagnetic compatibility (EMC)
test facility
18. Environmental test facility




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