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Q: Is the wide side of a 2 prong cord hot or ground?
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Is the AC wide prong for hot or neutral?

The AC wide prong is the neutral. An AC voltmeter measuring from narrow prong to ground should show line voltage; measurement from wide prong to ground should show zero. In a two-conductor power cord (and some three-conductor cords), the ridged side should be the neutral. In any light-bulb socket, the outer ridge should be wired to neutral.


Is the wide prong on an electrical plug connected to the black wire?

No, the wide prong is neutral it is the white wire. The narrow prong is hot it is the black wire. The round prong (in a 3 wire plug) is safety ground it is the green wire.


Can you connect a white and black wire to a three prong extension cord that does not have one wide blade and if so which side would be white wire?

This will not work. Your neutral blade is gone. You need both for it to work.


Is the ridged wire positive on an extension cord?

An extension cord that you plug into your house is neither positive OR negative. It uses alternating current so there's a live wire and a ground. Only direct currents (like those in cars) have positive and negative. On a two wire extension cord the ribbed side is the neutral. If you look close and it is a moulded plug on the end of the extension cord you will find that the side with the rib is also the same side as the wider blade on the plug. This corresponds to the wide blade hole in the receptacle which is also the neutral side of the receptacle.


What is ribbed neutral wire?

In a two wire zip cord, often used to simple appliances such as table lights, the ribbed conductor should be connected as the neutral conductor. The ribbing is there to help you find the neutral. On the plug end, neutral is the wide prong. On the lamp end, neutral is the outside of the socket. (Hot is switched and connected to the center pin.) The reason for this is that when you change a light bulb by feel, if you touch the screw part of the base while it is still partially screwed in, you do not want to come into contact with hot, in case you are also touching something else, such as ground.

Related questions

Is the AC wide prong for hot or neutral?

The AC wide prong is the neutral. An AC voltmeter measuring from narrow prong to ground should show line voltage; measurement from wide prong to ground should show zero. In a two-conductor power cord (and some three-conductor cords), the ridged side should be the neutral. In any light-bulb socket, the outer ridge should be wired to neutral.


Is the wide prong on an electrical plug connected to the black wire?

No, the wide prong is neutral it is the white wire. The narrow prong is hot it is the black wire. The round prong (in a 3 wire plug) is safety ground it is the green wire.


Can you connect a white and black wire to a three prong extension cord that does not have one wide blade and if so which side would be white wire?

This will not work. Your neutral blade is gone. You need both for it to work.


On a 3 wire plug is the wider blade hot or neutral?

On a 3 wire plug (NEMA 5 configuration, 125v 2 pole 3 wire grounding) the narrow blade is the "hot" lead, the wide blade is the neutral lead, and the U shaped prong is the equipment grounding conductor (EGC). Most 2+G non-metallic-cables (NMC) are color coded for Black = "hot", White = neutral, and Bare = EGC


Is the large pin on an electrical cord end neutral?

In North America the narrow blade is the "hot", the wide blade is the neutral and the U shaped blade is the ground.


When did wide-side two prong outlets begin?

In North America it was in the early 50's that the wider side neutral pin started to come into the market place. In the early 60's the code changed to state that there was to be no more use of the un-polarized plug and receptacle in new construction projects. In the mid 70's the code again changed stating that all plugs and receptacles must have a ground pin in their construction.


Is the ridged wire positive on an extension cord?

An extension cord that you plug into your house is neither positive OR negative. It uses alternating current so there's a live wire and a ground. Only direct currents (like those in cars) have positive and negative. On a two wire extension cord the ribbed side is the neutral. If you look close and it is a moulded plug on the end of the extension cord you will find that the side with the rib is also the same side as the wider blade on the plug. This corresponds to the wide blade hole in the receptacle which is also the neutral side of the receptacle.


How big is a core of wood?

A full cord is a large amount of wood. It measures 4 feet high by 4 feet wide by eight feet long (4' x 4' x 8') and has a volume of 128 cubic feet. A face cord or rick of wood is four feet high by eight feet long and is as wide as the individual firewood pieces, but averages 16 inches wide. A 16-inch wide face cord is equal to one-third of a full cord. A cord of wood measures 4 ft. by 4 ft. by 8 ft. or 128 cubic feet and should be stacked tightly together if purchasing. A run is 18 inches by 4 ft. by 8 ft. Hence, 3 runs equal a cord.


Who sells the cheapest bungee cord?

Bungee cord is available for the lowest prices from your nearest army surplus store. If you wish to buy the cord on line ebay and craigslist both offer a wide supply.


How wide is a train?

A train would be up to 6 ft wide from side to side.


What are the dementions of a cord of wood LxWxH?

One cord of wood has to be stacked to measure. The dementions are 4 feet high by 4 feet wide by 8 feet long.


In a Pentium the front side data bus is how many bits wide?

For the Pentium the front side data bus is 64 bits wide. The back side is 32 bits wide.