What's even more effective than wearing the correct personal protective equipment (PPE) when exposed to potential dangers? Not being exposed to those dangers in the first place. To do this, follow the "Don't Be There" rule.
If you aren't there when something goes wrong, you're not exposed to the resulting consequences. Practicing this rule does incur some cost. For example, you're going to have to invest a little time to walk around a transformer yard rather than cut through it. But this investment pays off over time....More