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The wide blade on the AC plug for the TV is connected to what?
Wiki User
∙ 10y ago
Answer for USA, Canada running a 60 Hz supply service.
The wide blade is the neutral and connects to the (white) wire. If both wires are black coming from the TV then the wire with the ribs or other marking is the neutral wire and the smooth wire is the black hot wire which connects to the narrow blade.
It was determined years ago that the white or the "grounding" wire which is the neutral or the white/grey wire would be constructed so that I would be the easiest to identify. Not to be confused with the "grounded" conductor which will be the green or bare wire and installed for the sole purpose of grounding and protecting the equipment, thus it's nickname the "equipment ground". It will be the easiest to detect by sight and feel. You can feel the ribs or grooves of the neutral wire in a 2 wire fixture cable, which holds true for any molded multi-wire cable. This way it can be located and disconnected without coming in contact with the energized phase wire. You will find most every cord has the larger and smaller blades, but notice the ground. The ground is manufactured so not to ever be mistaken for anything else but the ground. While the neutral is the largest it will not be the longest, which will be the ground wire. The reason is based on the theory of the ground electrode to be the first and the last to make contact with any energized system. It is referred to as "first make-last break" and is meant as protection for the equipment.
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∙ 10y ago
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