圖中所示量規塞處于檢驗狀態。當柱塞處于靜止狀態時，W面應比V面縮進更深些。
| Reference 尺寸符號 | Dimension 尺寸(mm) | Tolerance 公差(mm) | Reference 尺寸符號 | Dimension 尺寸(mm) | Tolerance 公差(mm) |
| D | 39.6 | +0.0/-0.02 | J2 | 65 | +0.0/-0.03 |
| F | 40 | +0.0/-0.02 | M | 40 | +0.02/-0.0 |
| G | 52 | +0.0/-0.02 | N | 49 | +0.02/-0.0 |
| H | 22 | +0.1/-0.1 | O | 52.5 | +0.01/-0.0 |
| J1 | 58 | +0.0/-0.02 | T | 34 | +0.03/-0.0 |
Purpose目的：
To check lamp dimensions for contact making in IEC holders.
檢驗燈在燈座中有關接觸性能的尺寸。
Testing 測試方法：
The shape of the lamp with regard to the fit in the lampholder is assured to be correct. If the lamp can be pushed into the gauge till plane W reaches plane V or project beyond it.
當成品燈的燈頭插入量規時，塞柱的W面應與V面共面或凸出V面。
產品圖片：
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