Five Prong Trailer Plug. They look a bit like this: Looking outside the connector, you probably noticed that there d. Universal CE Kr american european power plug adapter AU EU to US UK USA adapter plug Japan Israel Brazil India travel converter.
Three-prong plugs help guard against electric shock. The sockets are provided with a plug expulsion system. You don't know if the wiring is bad or you have bad bulbs.
What is the purpose of this if there is no difference between each wire since the direction of current flow is.
You don't know if the wiring is bad or you have bad bulbs.
Make sure you get it right. The black and red wires are. PM Images / Getty Images. Let's start with what the holes in an outlet do.