Step 1: Ask for permission, Step 2: Locate / identify the circuit, Step 3: Isolate the circuit and lock off, Step 4: Put key in pocket and post warning notice, Step 5: Check test equipment for damage before use, Step 6: Test approved voltage indicator on proving unit, Step 7: Test the circuit to make sure dead, Step 8: Re-prove test equipment,

Safe Isolation Procedure

列印
嵌入

排行榜

視覺風格

選項

切換範本

恢復自動保存: ?