Take voltmuilt meter set to ac 200volts touch red lead to one black wire black lead to other. A meter can identify the voltage but might not be more useful.
Can I Put Two Red Wires Together With A Black Wire In Ceiling
Two black wires which is hot. Yes you can cap both and yes the hot wire is still hot. If you are in the uk or india black is neutral. The type a plug has two flat parallel prongs and can fit in both styles of outlets. The neutral wire can also be gray. The other is an extension of the hot to some other fixture or to one half of the switched outlet. The united states has strict codes relating to home wiring including clearly defined colors on the outer casing of the wires.
In the most basic 110 volt electrical setup youll find two wires. However if you need to rewire a light switch or a plug socket you may occasionally come across two black wires. Power flows from the box to the outlet through the black wire and back to the box through the white one. The white wire goes by many names that all mean the same thing. The black wire is hot. Type b was created to provide a connection for an electrical safety system.
Another black wire might be a hot return from a switch that was served with a red and black wires. If it 115 125 red lead is on hot wire if it. The two prongs provide a hot and neutral electrical connection. The red is the switched hot. If there are two wires dangling from a ceiling rose identify the cables first. In the us black is hot or live.
Black means hot white signifies neutral and green indicates ground. Neutral common or return. These outlets are the older version of the current type b outlet. One of the black wires is the hot. After removing the old switch the preferred method is to join the two existing black wires together and to add a short additional black wire called a pigtail. A two wire plug uses a type a outlet.
Gallery of Two Black Wires Which Is Hot
