How to make Power Delay Circuit Using NE 555 timer for Safety of Home Appliances?

Time Delay Relay circuit using 555 timer

Trigger, Then Short Delay, Then Brief Pulse V+(555)

Timer Delay Circuit monostable using IC 555 | Explained !!!

555 timer Delay Before Turn Off Circuit

Adjustable Auto On Off delay timer circuit on Breadboard | 555 Timer project #4

555 Adjustable Delay On Off Timer Circuit

555 timer schmitt trigger logic inverter circuit

Why 555 timer trigger and threshold pins are commonly connected together