For tile, use a carbide-tipped drill bit to avoid cracks, then insert wall anchors. For drywall, find studs or use heavy-duty toggle bolts. Always check weight limits and use appropriate hardware for stability.

Use UL-rated in-wall extension kits or hire an electrician—standard cords violate fire codes.

Use heavy-duty hollow wall anchors or toggle bolts that spread weight across the drywall, and always anchor into studs when possible for mirrors over 20 pounds.