electrical - Is 18 AWG wire with peeling outer insulation still good to use? - Home Improvement Stack Exchange

Coleman Cable 7 ft. Stranded 10 Ga. Primary Wire Black - Ace Hardware

electrical - Should there be insulation inside a light fixture? - Home Improvement Stack Exchange

Klein Tools Klein-Kurve Long-Nose Wire Stripper, Wire Cutter, Crimping Tool 1009SEN - The Home Depot

【18 Gauge Wire Black】 34 strands of tinned copper wire are inside each cable. Wire Outer Diameter: 5.45mm. High purity oxygen-free copper with

18 Gauge Electrical Wire 2 Conductor, 65.6ft Insulated Stranded Low Voltage LED Cable, 18AWG Red & Black Tinned Copper Hookup Wire, 2pin Flexible

8AWG Bulk THHN Wire

Damaged insulation - Electrical Inspections - InterNACHI®️ Forum

electrical - Is 18 AWG wire with peeling outer insulation still good to use? - Home Improvement Stack Exchange

How to Build an Insulated Cathedral Ceiling - GreenBuildingAdvisor

electrical - Is 18 AWG wire with peeling outer insulation still good to use? - Home Improvement Stack Exchange

COLOER 100ft 10/2 Low Voltage Landscape Lights Wire Stranded PVC Cord Pure Copper Cable 10 Gauge 2 Conductor Tangle Free Outdoor Landscape Lighting Direct Burial Electrical Cable: : Tools & Home Improvement

Cerrowire 100 ft. 6 Gauge Green Stranded Copper THHN Wire 112-4205CR - The Home Depot

I have zero electrical experience, is this normal for lighting wiring throughout a group home. I feel uneasy seeing the color copper : r/askanelectrician