Which statement describes a hipot test?

Which statement describes a hipot test?

• A. It applies high voltage between conductors and earth to verify insulation
• B. It measures low-resistance continuity
• C. It assesses insulation color coding
• D. It checks battery compatibility

Answer: (D)

Hipot testing checks the dielectric strength of insulation by applying a high voltage between conductors and the equipment’s earth (ground). The goal is to push insulation to its voltage limit and see if any leakage current or breakdown occurs. If the insulation is sound, only a tiny leakage current flows and the test can proceed without tripping. If there are weak spots or leakage paths, the current will rise or the test will trip, indicating insulation needs attention. This is different from a low-resistance continuity check, which uses small voltages to confirm a complete electrical path exists. It’s also not about insulation color coding, which is simply labeling for identification, nor about battery compatibility, which concerns whether a device can be powered by a certain battery.

Hipot testing checks the dielectric strength of insulation by applying a high voltage between conductors and the equipment’s earth (ground). The goal is to push insulation to its voltage limit and see if any leakage current or breakdown occurs. If the insulation is sound, only a tiny leakage current flows and the test can proceed without tripping. If there are weak spots or leakage paths, the current will rise or the test will trip, indicating insulation needs attention.

This is different from a low-resistance continuity check, which uses small voltages to confirm a complete electrical path exists. It’s also not about insulation color coding, which is simply labeling for identification, nor about battery compatibility, which concerns whether a device can be powered by a certain battery.