Shriram Institute for Industrial Research Shriram Institute for Industrial Research Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research
Shriram Institute for Industrial Research

Shriram Institute for Industrial Research

Electrical Testing Laboratory
- Test Facilities For
» Electrical & Communication Cables
» Enameled Winding Wires
» A.C.S.R
» Bus-Bars, Earthing Rods & Strips
» Pressure Sensitive Self Adhesive PVC Tapes
» Miniature Circuit Breakers
» Electrical Accessories
» Conduits
» Switches
» Plugs
» Socket-Outlets
» Lamp Holders
» Electrical Home Appliances
» Refrigerators
» Stationary Storage Type Water Heaters
» Instantaneous Water Heaters
» Mineral Filled Sheathed Heating Elements
» Immersion Water Heaters
» Electrical Iron
» Different Insulation Materials
» Fractional Horse Power Motors
» Fuse Base & Fuses
» Terminal-Connectors for Automobiles
» Automobile Cables

Thrust Areas & Activities :
Tests Performed on Cables
  1. Annealing Test for Copper Conductor
  2. Tensile Strength for Aluminum Conductor
  3. Wrapping Test for Aluminum Conductor
  4. Conductor Resistance
  5. Physical Tests for Insulation and Sheath
    1. Thickness of Insulation and sheath
    2. Tensile Strength and Elongation
    3. Aging in Air Oven, Variation in T.S. and Elongation
    4. Loss of Mass after Aging
    5. Hot Deformation
    6. Heat Shock
    7. Shrinkage
    8. Thermal Stability
    9. Hot Set test for XLPE Insulation
  6. Bleeding and Blooming
  7. Colour Fastness to Day Light
  8. Colour Fastness to Water
  9. Cold Bend
  10. Cold Impact
  11. Flammability
  12. Insulation Resistance
  13. High Voltage
  14. High Voltage Water Immersion
  15. Water Absorption (Gravimetric)
  16. Tensile Strength & Elongation of Armouring
  17. Dimension of Armouring
  18. Zinc Coating of Armouring

Method of Test
Method of Test for Cables
IS : 10810 -1984
(Pt. I TO Pt. 61)
Method of Test for PE Insulation
IS : 2530 - 1963

Material Specification (References)
PVC Insulated Cable Working Voltage 1100 V
IS : 694-1990
PVC Insulated Heavy-Duty Cable 1100 v
IS : 1554(Pt-I)-1988
PVC Insulated & Sheathed Telecommunication Cable
IS : 13176-1991
PVC Insulated Winding Wires
IS : 8783-1991
Motor Vehicle Cable
IS : 2465-1984
Flexible Trailing Cable
IS : 1026-1984
Crosslinked Polyethylene Cable
IS : 7098(Pt-I)-1988
Elastomer Insulated Cable
IS : 9968(Pt-I)-1988
Cadmium Copper Wire for Telegraph & Telephone
IS : 2665-1964
Polyethylene Insulation Sheath of Electric Cable
IS : 6474-1984
PVC Insulation and Sheath of Electric Cable
IS : 5831-1984
Conductors for Insulated Electric Cable & Flexible cords
IS : 8130-1984
Mild Steel Wires & Formed Wire for Armouring
IS : 3975-1988
Shot Firing Cable
IS : 5950-1984

Tests performed on Winding Wires :
  1. Dimensions
  2. Resistance
  3. Elongation
  4. Springiness
  5. Flexibility and Adherence
    1. Mandrel Winding
    2. Jerk Test
    3. Peel Test
  6. Resistance to Abrasion
  7. Heat Shock
  8. Cut-through
  9. Solvent Test
  10. Break-down Voltage
  11. Continuity of Covering
  12. Method of Test
  13. Method of Test Enameled Round Winding Wire IS:13738
  14. Material Specification Enameled Round Winding Wire IS:13730

Tests Performed on Home Appliances :
  1. Safety Requirements
    1. Protection Against Elect. Shock
    2. Input
    3. Temperature Rise
    4. Operation Under Overload Conditions
    5. Elect. Insulation & Leakage Current at Operating Temperature
    6. Moisture Resistance
    7. Electric Strength
    8. Abnormal Operation
    9. Stability & Mechanical Hazards
    10. Mechanical Strength
    11. Construction
    12. Internal Wiring
    13. Components
    14. Cord Grip & Cord Guard
    15. Terminal for External Conductor
    16. Provision for Earthing
    17. Screw & Connection
    18. Creepage Distance & Clearances
    19. Resistance to Heat, Fire & Tracking
    20. Resistance to Rusting
    21. Endurance
    22. Insulation Resistance
  2. Measurement of Heating Up Time
  3. Measurement of Sole Plate Temperature
  4. Measurement of Temperature Distribution
  5. Measurement of Oversuing Temp. & Heating Up Excess Temperature
  6. Measurement of Cyclic Fluctuation of Temperature of Hottest Point
  7. Measurement of thermostatic Stability
  8. Finish

Method of Test
General and Safety Requirement for Household and Similar Electric Appliances
IS : 302-1-1979
Particular Requirements Electric Iron
IS : 302-2-3-1992
Particular Requirements Electric Immersion Water Heater
IS : 302-2-201-1992
IS : 302-2-21-1992
Electroplated Coating of Ni & Cr on Iron & Steel
IS : 1068

Material Specification
Electric Iron
IS : 366-1991
Electric Immersion Water Heaters
IS : 368-1992
Mineral Filled Sheathed Heating Element
IS : 4159-1983
Storage Water Heater
IS : 2082-1993
Instantaneous Water Heaters
IS : 8978-1992
Refrigerators
IS : 1476-2000


Tests Performed on Plugs & Sockets :
  1. Visual Examination
  2. Checking of Dimensions
  3. Protection Against Electric Shock
  4. Construction
  5. Interchangeability
  6. Resistance to Aging and Moisture
  7. Insulation Resistance and Electric Strength
  8. Effectiveness of Contact
  9. Temperature Rise
  10. Breaking Capacity
  11. Endurance Test for Shutters
  12. Withdrawal Pull
  13. Cord Grip
  14. Mechanical Strength
  15. Resistance to Heat
  16. Screws and Connection
  17. Water Absorption
  18. Resistance to Rusting

Method of Test
Spec. for Plugs and Socket-Outlets of 250 Volts and Rated Current Up to 16 Amperes
IS : 1293 - 1988

Material Specification
Spec for Plugs and Socket-Outlets of 250 Volts and Rated Current Upto 16 Amperes
IS : 1293-1988


Tests Performed on Switches :
  1. Visual Examination of Marking
  2. Protection Against Electric Shock
  3. Terminals & Screws
  4. Insulation Resistance & Electric Strength
  5. Resistance to Humidity
  6. Temperature Rise
  7. Making & Breaking Capacity
  8. Endurance
  9. Mechanical Strength
  10. Resistance to Heat
  11. Creepage Distance & Clearance
  12. Resistance to Rusting
  13. Water Absorption
  14. Maximum Pull

Method of Test
Spec for Switches for Domestic & Similar Purpose
IS : 3854 - 1988

Material Specification
Spec for Switches for Domestic & Similar Purpose
IS : 3854 - 1988


Tests Performed on Pressure Sensitive Adhesive PVC Tapes for Electrical Purposes
  1. Dimensions
  2. Adhesion to Steel
  3. Adhesion to Backing
  4. Elongation and Tensile Strength
  5. Electrical Strength
  6. Flammability
  7. Electrolytic Corrosion
  8. Accelerated Aging

Method of Test
Method of Test for Pressure Sensitive Adhesive tapes for Electrical Purpose
IS : 7809 (P-II) - 1977

Material Specification
General Requirements for Pressure Sensitive Adhesive Tapes for Electric Purpose.
IS : 7809 (P-I)-1977
Specification for Pressure Sensitive Adhesive Insulating Tapes for Electrical Purpose - Plasticized Polyvinylchloride Tapes with Nonthermosetting Adhesive
IS : 7809(P-III/Sec-I)-1986


Tests Performed on M.C.B
  1. Indelibility of Marking
  2. Reliability of Screws, Current Carrying Parts & Connections.
  3. Reliability of Terminals for External Conductors.
  4. Protection Against Electric Shock.
  5. Dielectric Properties
    1. Resistance to Humidity
    2. Insulation Resistance of Main Circuit
    3. Dielectric Strength of Main Circuit.
    4. Dielectric Strength of Auxiliary and Control Circuits.
  6. Temperature Rise.
  7. Resistance to Mechanical Shock & Impact.
  8. Resistance to Heat.
  9. Resistance to Abnormal Heat & Fire.
  10. Resistance to Rusting.

Method of Test
Electrical Accessories - Circuit Breakers for Over Current Protection for House Hold and Similar Installations
IS : 8828-1996

Material Specification
Electrical Accessories - Circuit Breakers for Over Current Protection for Household and Similar Installations
IS : 8828-1996


Tests Performed on Aluminium Conductor for Overhead Transmission Purposes.
  1. Surface Condition.
  2. Test for Ultimate Breaking Load on Stranded Conductor.
  3. Measurement of Diameter of Individual Aluminum and Steel Wires.
  4. Measurement of Lay Ratio.
  5. Breaking Load of Individual Wires.
  6. Ductility Test.
  7. Wrapping Test.
  8. Resistance Test.
  9. Galvanizing Test.

Method of Test
Aluminum Conductors for Overhead Transmission Purposes
IS : 398 (Part 2) : 1996

Material Specification
Aluminum Conductors for Overhead Transmission Purposes
IS : 398 (Part 2) 1996


Tests Performed on Varnish Bonded Glass Fibre Covered Copper Conductor
  1. Dimensions
  2. Tests for Glass Covering
    1. Flexibility
      1. Before Heat Aging
      2. After Heat Aging
    2. Adherence
    3. Cure Test
  3. Breakdown Test
    1. Test at Room Temperature
    2. Test at Elevated Temperature
  4. Thermal Endurance Test

Method of Test
Varnish Bonded Glass Fiber Covered Copper Conductors. Part 2 Rectangular Conductors
IS : 4685 (Pt. 2) 1984

Material Specification
Rectangular Conductors for Electrical Machines
IS : 6160-1971
Method of Test for Determining Deleterious Substances in Fibrous Insulating Materials.
IS : 5596-1970
Guide for Evaluation of Thermal Endurance of Varnish Bonded Glass Fiber Covered Rectangular Copper Conductors.
IS : 9778-1981
Drums for Covered Winding Wires & Strips forElectrical Purposes
IS: 2069-1981

Instrumentation:
  1. Abnormal Test Apparatus.
  2. Abrasion Tester.
  3. Contact Resistance Temperature Rise Apparatus.
  4. Cord Flexing Apparatus.
  5. Cord Grip Pull Test Apparatus.
  6. Cord Guard Flexural Test Apparatus.
  7. Cathode Ray Oscilloscope.
  8. Cut Through Test Apparatus.
  9. Electrical Test Panel.
  10. Endurance Test Apparatus for Iron.
  11. Endurance Test Apparatus for Heating Elements/ Immersion Water Heaters.
  12. Endurance Test Apparatus for Switches.
  13. Endurance Test Apparatus for Shutters.
  14. Glow Wire Test Apparatus.
  15. High Voltage Test Apparatus (0-100 kV AC).
  16. High Voltage Test Apparatus (0-3 kV AC).
  17. High Voltage Test Apparatus (0-15 kV AC).
  18. High Voltage Test Apparatus (0-2 kV DC).
  19. High Voltage Test Apparatus (0-3 kV DC).
  20. Ignition Test Apparatus.
  21. Isolation Transformer.
  22. Kelvin's Double Bridge.
  23. Million Mega Ohm Meter.
  24. Maximum Pull Test Apparatus.
  25. Micrometer.
  26. Multimeter.
  27. Over Voltage Over Current Test Apparatus.
  28. Pin Hole Test Apparatus.
  29. Peel Tester.
  30. Thermal Stability Test Apparatus.
  31. Torsion Test Apparatus.
  32. Tumbling Barrel.
  33. Tracking Test Apparatus.
  34. Universal Tensile Test Apparatus.
  35. Vernier Caliper.



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