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Fault Test Board

Fault Test Board. Developed by Allan Goodger Moss Vale TAFE. From Boards originally developed by Ken Postill Ultimo TAFE. Ken’s Board. Faults introduced by 3 x 9 Gang switches. Contacts oxidise, and as a result a high resistance is introduced into the circuit.

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Fault Test Board

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  1. Fault Test Board Developed by Allan Goodger Moss Vale TAFE From Boards originally developed by Ken Postill Ultimo TAFE

  2. Ken’s Board Faults introduced by3 x 9 Gangswitches Contacts oxidise, and as a result a high resistance is introduced into the circuit Limited number of faults can be introduced into the circuit Very good at developing fault finding techniques in students in realistic scenario Next

  3. Allan’s Board Faults introduced bySeparate Fault CardPlugged into a socket All conductors are cut at this set of sockets All circuit conductors from every circuit can be modified Next

  4. Board Contains Hot Water & RangeCircuit Power Circuit Mixed Circuit Light Circuit Next

  5. Hot Water&Range Circuit Circuit to load is as per all other circuits Terminates with flying leads Load characteristics can be modified by the fault card Next

  6. Fault Socket B&R Enclosure PJ221507 2 x 3mm groves are routered into the box lid Socket PCB is inserted into slots from the back of the lid Clamped into position by an insulated metal plate Next

  7. Fault Socket Vero Board Jaycar Part No HP 9544 Cardboard acting as insulation 3mm Mild steel with 3/16” threads cut into each corner Socket Strips Farnell Part No 9728856 3/16” Screws Installed from the front of the lid B&R Enclosure PJ221507 Lid Next

  8. Socket Pin-Outs From Switchboard Only Half of the socket is used From Loads This allows the fault card to be spun around and a second set of faults can be introduced Next

  9. Fault Card Fault card installed Pin 1 With Fault Fault card No See paperwork Next

  10. Fault Card Fault card installed Without Fault Next

  11. Fault Card Side View Back View Header pins Farnell Part No 9729038 Next

  12. CB Enclosure Load side of CBs are easily accessible By using a 4mm2 (yellow) crimp lug and crimping a 2.6mm Brass welding rod in it Next

  13. CB Enclosure Neutrals are easily removed By the use of turned plugs Cable should be min of 50 strand for flexibility Next

  14. Improvements • Add/incorporate a handle into board Next

  15. Improvements • Add/incorporate a handle into board • Add spacers in-between clamping plate and back of lid The front of the lid between the screws tends to bow outward Next

  16. Improvements • Add/incorporate a handle into board • Add spacers in-between clamping plate and back of lid • Pass the socket connecting wires through PCB before soldering Solder Next

  17. Equipment Requirements See supplied equipment list Next

  18. More Information? Moss Vale TAFE Kirkham Street Moss Vale Phone: 4868 0132 Mondays Mobile: 0418 460 220 Email: allan.goodger@det.nsw.edu.au Contact: Allan Goodger Next

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