Before you touch anything

Safety gate

Run through this before every task. This is standard practice, not a test.

Circuit identified and isolated at the source (breaker off, verified with a tester — not just assumed)Wearing the right PPE for this task (safety glasses, gloves, footwear as required)Work area checked: clear path, adequate light, no unrelated live circuits nearbyLockout/tagout applied if others are working in the building