Switches /Socket Outlets/Plugs Testing Facility

Standards Followed:

  • Performance testing of switches – SLS 1000: 1993
  • Performance testing of 13A fused plugs – SLS 734 : 2017,Part 01
  • Performance testing of 13A switched and unswitched socket outlets – SLS 734:2017, Part 2
  • Performance testing of 13A trailer sockets – SLS 734:2017, Part 2
  • USB Testing-13A Socket – SLS 734 :Part 2:2017 , BS EN 62368-1 :2014 + A11 :2017 , IEC 62680-1-1:2015
  • Testing of lamp holders – SLS 138:2021  

Test carried out :

Performance testing of switches
  1. Terminals
  2. Resistance to ageing & humidity
  3. Temperature rise
  4. Making and breaking capacity
  5. Normal operation (Resistive load operation)
  6. Undue arcing
  7. Resistance to heat-heat treatment at 100°C
  8. Creepage distance and clearances
  9. Marking
  10. Construction
  11. Covers and cover plates
  12. No free openings in the boxes
  13. Screws or other means for mounting the switch
  14. Mechanism
  15. Screws, current-carrying parts and connections
  16. Glow wire test
  17. Ball pressure test
  18. Tracking index test
  19. Mechanical strength
  20. Resistance to rusting
  21. Voltage drop
Performance testing of 13A fused plugs
  1. Marking and Labeling
  2. Clearances & creepage distance
  3. Disposition of plug pins
  4. Construction of plug pins
  5. Displacement of conductive parts
  6. Terminals and terminations
  7. Dimensions of plug pins
  8. Distance from the periphery to the conductive pins
  9. Screws, current-carrying parts and connections
  10. Outline of the plug
  11. Fuse link
  12. Terminals of earthing and neutral plug
  13. Withdrawing the plug
  14. Resistance to humidity, insulation resistance & high voltage test
  15. Resistance to ageing, insulation resistance & electric strength
  16. Mechanical strength of plug
  17. Minimum distance through insulation
  18. Base and cover
  19. Resistance to heat
  20. Mechanical strength of plug pins
  21. Glow wire test
  22. Ball pressure test
  23. Resistance to rusting
Performance testing of 13A switched and unswitched socket outlets
  1. Marking and lebeling
  2. Creepage distances and clearance
  3. Provision for earthing
  4. Construction of socket outlets
  5. Terminals and termination
  6. Withstanding ability of mechanical stress by screwed connections.
  7. Screws, current carrying parts and connections.
  8. Current carrying parts and earthing contacts.
  9. Resistance to humidity, insulation resistance and electric strength.
  10. Electrical contact between L/N socket contact and corresponding plug pins.
  11. Breaking capability of socket outlets.
  12. Electrical contact between L/N socket contacts and corresponding plug pins.
  13. Switch action
  14. Resistance to ageing, insulation resistance and electric strength
  15. Normal operation of socket outlets (Shutter endurance)
  16. Insulation resistance and electric strength
  17. Normal operation of socket outlets (Switch endurance)
  18. Resistance to heat
  19. Operation of shutters
  20. Easy withdrawal of plugs
  21. Location of conductive component parts
  22. Glow wire test
  23. Ball pressure test
  24. Mechanical strength
  25. Resistance to rusting
Performance testing of 13A Trailer Sockets
  1. Marking and Labeling
  2. Creepage distances and clearance
  3. Provision for earthing 
  4. Construction of socket outlets(Visual and measure by gauge)
  5. Terminals and termination
  6. Withstanding ability of mechanical stress by screwed connections
  7. Screws, current carrying parts & connections
  8. Current carrying parts & earthing contacts
  9. Resistance to humidity, insulation resistance & electric strength
  10. Electrical contact between L/N socket contacts & corresponding plug pins
  11. Breaking capability of socket outlets
  12. Electrical contact between L/N socket contacts & corresponding plug pins
  13. Switch action
  14. Resistance to ageing, insulation resistance & electric strength
  15. Normal operation of socket outlets(shutter endurance)
  16. Insulation resistance & electric strength
  17. Normal operation of socket outlets(switch endurance)
  18. Resistance to heat
  19. Operation of shutters
  20. Easy withdrawal of plugs
  21. Location of conductive component parts
  22. Glow wire test
  23. Ball pressure test
  24. Mechanical strength
  25. Resistance to rusting
USB Testing -13A Socket

Standard Followed: SLS 734 :Part 2:2017

  1. USB circuits incorporated in a socket-outlet shall conform to the requirements 
    • Power rating and identification markings(03 parameters)
  2. Overcurrent protection shall be provided on the primary side of the USB circuit
    • Number and location of protective devices (02 parameters)
    • Electrical insulation (01 parameter)
    • Clearances, creepage distances and distances through insulation. (01 parameter)

Standard Followed: BS EN 62368-1 :2014 + A11 :2017

  1. Equipment design and construction
  2. Marking and Instructions
  3. Energy Source Classification
  4. Fixing Conductors
  5. Steady State Voltage and Current Limit
  6. Maximum operating temperature for insulating materials
  7. Pollution degree
  8. Clearances
    • Procedure to determining clearance using peak working voltage
    • Degerming the clearances using required withstand voltage
    • Determining the adequacy of a clearance using an electric strength test
  9. Creepage distances
    • General
  10. Minimum distance through insulation
  11. Protective conductor 
  12. Requirements for protective conductors-General
  13. Color of insulation
  14. Resistance of the protective bonding /Requirement
  15. Compliance criteria
  16. Reliable earthing
  17. Requirements for a fire enclosure
  18. Mechanical Energy Source Classification
  19. Thermal energy source classifications

Standard Followed: IEC 62680-1-1:2015

  1. Charging port Overshoot Voltage
  2. Maximum current
  3. Charging Port Failure Voltage
  4. Multiple Ports
  5. Charging Port Output Voltage
  6. Allowed PD Current Draw from Charging Port
  7. DCP Shut Down Voltage
  8. Not allowed shutdown
  9. Allowed to shutdown
  10. When IDCP_LOW to IDCP_MID or IDCP_MID to IDCP_HI DCP shall be VCHG_UNDSHT
  11. Mid to hi load step TDCP_LD_STP
  12. Duration of undershoot TDCP_UNDSHT
  13. IDCP_LOW to IDCP_HI time should be TDCP_UNDSHT
  14. After this time VCHG for load current less than IDCP min
Testing of lamp holders
  1. Marking
  2. Dimensions
  3. Protection against electric shock
  4. Terminals
  5. Construction
  6. Moisture resistance, insulation resistance and electrical strength
  7. Mechanical strength
  8. Screws, current-carrying parts and connections
  9. Creepage distances and clearances
  10. General resistance to heat
  11. Resistance to heat, fire and tracking
  12. Resistance to excessive residual stresses (season cracking) and to rusting