Engineers wiring board for seminars and service school

Parts List for the engineer's training board.

You can build one of these with a piece of Plywood and the parts listed below. We used a piece of stainless for a switch holder and may make a part number for your convenience.  
The parts cost about $500 but can be used as spares if needed in the laundry.  

The training gained from the wiring experience is worth the price of admission.  
See the schematic attached.  
The test is to wire the schematic on the actual components and use 2 different relays (one 11 pin and one 14 pin). You also include the overload wiring shown in the wiring diagram.

Picture of the board and components mounted along with the wires after a student finished the exercise.

14pin relay 240V - 09C024D71
14 pin relay base - 09B323
11pin relay 120V - 09C01DDD37
11 pin relay base - 09B321A
Latch relay - 09CL2C-C37 (optional)
14pin relay 120V - 09C024D37 (optional)

You only need one light, but here are the options:
Green light - 09J060G37
Red light - 09J060R37
Amber light - 09J060A37

12A contactor - 09MC08B337 (you can use any size you have as long as the coil is 120 volts)
Overload - 09FTE0039T (make sure this matches the contactor size)

Master switch (on-off) - 09N405M210
Green push button w/ block and collar - 09N405PG10
Red push button w/ block and collar - 09N405PR01
Momentary push button switch - 09N405S211 (optional)

(Qty 2) 3A time delay fuse style CC- 09FF003AWV
(Qty 2) Fuseholder for style CC fuse - 09FH030WX3
The less expensive fuse holder is the 09FH012SX1 and 09FH012END.  Normally we fuse the neutral too, in case someone ties the hot lead from the wall to neutral by mistake.

IEC TERM BLOCK 600V #22-8 GRND - 09B002GYA
(Qty 2) IEC TERM BLOCK END STOP - 09B002END
(Qty 3) IEC TERM BLOCK INSULATION END 3 POSITION - 09B002INSE3
(Qty 6) IEC TERM BLOCK 600V 26-10#GRAY 3 POSITIONS - 09B002GAT
(Qty 3) IEC TERM BLOCK JUMPER 2- 09B002A02
IEC TERM BLOCK JUMPER 3- 09B002A03
Din rail - 09MC04DNRL
11" din rail - 03 BV111X

You will need some wire for this and some terminals. The lights require a small faston terminal.
The rest of the wires should be made with ferrule terminal ends so loose wire strands are not an issue.