Old outlet has 2 black wires and 2 white. Is it safe to connect

Old outlet has 2 black wires and 2 white. Is it safe to connect

What is the correct way to wire these two valves? : r/Irrigation

Antenna entrance box : r/amateurradio

take medicine Dad Reception is hot wire black or white maximum

All made using copper wire and all using the same pair of tweezers

Trying to swap a 4pin incandescent to a bayonet fitting. Am I okay

take medicine Dad Reception is hot wire black or white maximum

take medicine Dad Reception is hot wire black or white maximum

take medicine Dad Reception is hot wire black or white maximum

take medicine Dad Reception is hot wire black or white maximum