Miscellaneous NEC Codes
A single receptacle on dedicated branch circuit shall have ampere rating not less than that of branch circuit (A refrigerator on a 20 Amp line shall have 20 Amp receptacle).
Steel plate needed to cover holes in wood that are 1¼" or less from edge.
Receptacle Replacement – If you want to replace a non-ground type receptacle or a two wire NM cable without a ground, then replace with another non-grounding type receptacle. Or a GFCI receptacle marked 'No Equipment Ground' or Grounding type receptacle, if GFCI protected & marked 'GFCI Protected' and 'No Equipment Ground'.
A recessed light (High Hat) must be air tight if it breaks the insulation barrier.
Disclaimer: These codes are based on the NEC (National Electrical Code) 2023 edition and are provided for general reference. Local jurisdictions may have additional requirements. Always consult a licensed electrician and your local building department.