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或斷路組合的多端子元件,一次只測試兩個端子的組合. Choose the devices whose malfunction may cause most unfavorable results through examination of the sample and its circuit diagram . 分析樣機電路,選取功能失效后可能造成火災,電擊或人身傷害危險等的電子元件進行開路或斷路測試. This test may be conducted under draught free condition. The air ejector fan mustn’t be turned on until 2 minutes elapse after the test is over. 測試將在無風環(huán)境條件下進行,待測試完成2分鐘後才可開啟排氣扇. Procedure/步驟: Obtain a representative sample of the appliance to be tested. 準備一臺有代表性的樣機用於測試. Obtain Test Results Form TTR1011 and pletely fill in the information describing the sample and the equipment used prior to running the test. 用TTR1011的測試結果的表格。 在測試前完整地填入樣板和使用的設備的情況. Shortcircuit or open an electronic ponent. 短路或斷路一個電子元件. Exposed noncurrentcarrying metal parts are connected to ground through the 3 ampere nontime delay type fuse. 引一條線通過一個3A快速保險絲將馬達殼接地. Place the sample on the softw