electrical - Black/black/black/green wires to black/red/white/green - how to figure which one to which? - Home Improvement Stack Exchange

There is a line for a hot tub that I am trying to reconnect. Hot tub side has black, red, white and green wires. Power supply side has three black and one green wires. The green was previously conn

electrical - Help me understand the wiring - Two neutrals, one hot

How to Identify Positive & Negative Wires: AC, DC, & More

How can I tell which is the line in and which is the line? They're

Do I need 2 black wires for dimmer? Box says to connect red to

What is the difference between black, green and red wires in

Wire Color Code: Explanation of Each Wire Color

electrical - How many wires per connector, why is a black wire

Apple iPhone 15 Pro 128GB Black Titanium

wiring - How to Wire Fan with Black/White/Green to Ceiling with

wiring - Which is positive? Green or black? - Electrical

20 gauge 5 conductor wire Audio Power Cable Speaker Wire (Red

How to connect a three way wire of black, green, white and red to

How to Identify Positive & Negative Wires: AC, DC, & More