| Cabinet D4 |
| D4.H | Red banana plug cables [16] | Black banana plug cables [16] |
| D4.0 | Various Vernier Sensors | Extra Heat Pulsers |
| D4.1 | Digital Multimeters [16], [17], [18], [19] | |
| D4.2 | 9 VDC Power Supply [17], [19] | Telegragh Switches [18], [20] |
D4.3 |
Analog Galvanometers [20] | |
| D4.4 | 0~11VDC Power Supply [18], [20], [21], [23] | |
| D4.5 | Analog DC Ammeters [18], [19], [21] |