Safety Practices and Connecticut Electrical Regulations
What to master
Safety questions draw on NFPA 70E and common-sense field practice: de-energize, lock out and tag out, verify the absence of voltage with a tested meter, and only then work. Know the shock approach boundaries (limited, restricted, prohibited), the requirement for arc-rated PPE and incident-energy awareness, insulated gloves for work inside the restricted boundary, and the minimum approach distances. Understand why energized work requires justification and an energized work permit. On the Connecticut side, know that electrical work is performed under a licensed electrical contractor, that permits and inspections come from the local building official, that apprentices work under supervision, and that license renewal and continuing education requirements are set by the Department of Consumer Protection - always confirm the current edition of the Code and the current renewal rules before relying on memory.
Traps
Assuming rubber gloves alone are adequate PPE; skipping the live-dead-live verification; treating lockout as only a padlock without a try-out step; and assuming a neighboring state's license transfers automatically.
Rule of thumb
Test the meter on a known live source, test the conductor, then test the meter again. If your meter fails during the second test, you cannot prove the conductor is dead - stop and get another meter.