Back-wired electrical receptacle & switch connectors: safe or unsafe?

Breaker or Blown? Why my Outlet Doesn't Work

What Causes Outlets and Switches to Go Bad?

What Would Cause an Electrical Outlet to Melt?

How to Deal with Unsafe Electrical Wiring - Coyne College Chicago

Common Electrical Safety Problems (And How to Solve Them)

Back-wired electrical receptacle & switch connectors: safe or unsafe?

Everything You Need to Know About Backfeeding, A-1 Electric

electrical - Can 12 gauge wire be inserted into 14 gauge switch connector sockets? - Home Improvement Stack Exchange

Wire an Outlet from Another Outlet

Why Is My Outlet Burnt? See What to Do About a Burned Electrical Outlet!