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How to measure if a distribution box is live
Always use the right tools like a non-contact voltage tester or a digital multimeter to check for live wires. When in doubt, call a professional to avoid risking safety or damaging electrical systems. In this video, you will learn how to perform two critical safety tests on a Distribution Box — the Creepage Distance Measurement Test and the Resistance to Abnormal Heat and Fire (Glow Wire) Test. The first step is to use a multimeter to measure voltage. To do the test simply point the tip on L label of every terminal or equipment connected with supply switch ON.