NEK 502 Norwegian Standard Plugs and Socket-Outlets Gauges and IEC 60884-1 gauges
| No. | Gauge Type | Gauge Name | Qty（pcs） |
| 1 | NEK502:2016 Figure 1 |
Gauges C1 for size of entry holes for plug pins(6.0/5.8) | 2 |
| 2 | NEK502:2016 Figure 2 |
Gauges C2 for checking of minimum withdrawal force (C2A-3.8-200g/C2B-4.6-200g/C2C-300g) |
3 |
| 3 | NEK502:2016 Figure 3 | Gauge C3 for acceptance of two-pole plugs | 1 |
| 4 | NEK502:2016 Figure 4 |
Gauge C4 for acceptance of two-pole plugs with side earthing contacts | 1 |
| 5 | NEK502:2016 Figure 6 | Gauges C6 for fixing holes or slots（C6A/C6B) | 2 |
| 6 | NEK502:2016 Figure 7 C7A.B.C.D |
Gauges C7 for distance to point of first contact(5.45/5.6/5.75/5.95) |
4 |
| 7 | NEK502:2016 Figure 8 | Gauge C8 for wiring channel | 1 |
| 8 | NEK502:2016 Figure 9 |
Gauge C9 for pin diameter(2.5A/16A) C9Ba,C9Bb |
2 |
| 9 | NEK502:2016 Figure 10 | Gauges C10 for pin spacing | 2 |
| 10 | NEK502:2016 Figure 11 |
Gauges C11 for maximum opening of contact tubes | 1 |
| 11 | NEK502:2016 Figure 12 | Gauge C12 for interchangeability | 1 |
| 12 | NEK502:2016 Figure 16 |
Gauge for non-acceptance of two-pole plugs without earthing contact | 1 |
| 13 | NEK502:2016 Figure 18 |
Gauge for checking impossibility of single-pole insertion of plugs |
1 |
| 14 | NEK502:2016 Figure 19 |
Gauges for checking impossibility of single-pole insertion of plugs into socket-outlets (2.5A-Gauge A,16A-Gauge-B) | 2 |
| 15 | NEK502:2016 Figure 19a |
Gauges for checking deformation of side earthing contacts |
1 |
| 16 | NEK502:2016 Figure 21 |
Devices for checking the resistance to lateral strain | 1 |
| 17 | NEK502:2016 Figure 23 |
Device for measuring the contact pressure of earthing contacts |
1 |
| 18 | NEK502:2016 Figure 25 |
Device for checking earthing contacts on two-pole plugs with side earthing contacts |
1 |
| 19 | NEK502:2016 Figure 26 |
Gauge for checking the maximum withdrawal force | 1 |
| 20 | NEK502:2016 Figure 27 |
Gauge (test plug) used for checking: Temperature rise,Breaking capacity, Normal operation and Maximum withdrawal forces. |
2 |
