In what step do you test for an unknown voltage during the live-dead-live process?

Testing for an unknown voltage during the live-dead-live process occurs in the second step. This step is critical because it involves confirming whether the circuit or equipment under test is energized.

In the first step of the process, the individual typically ensures that they have the proper tools and that the testing environment is safe, without directly checking for voltage. The last step usually involves verifying that the system is de-energized after proper lockout/tagout procedures have been applied. The idea of testing continuously may imply an ongoing monitoring of voltage, which does not align with the structured approach of the live-dead-live method, where specific checks are performed at designated points in the process.

The primary reason for the focus on the second step is to ensure safety; by testing the circuit with a voltmeter or another appropriate device, the technician can definitively identify the presence of voltage before proceeding with further work. This step is crucial for preventing electric shock and ensuring the safety of personnel involved.