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The answer to this question depends entirely on which electrical system you are asking about: if it is a vehicle, the voltage could be 6 volts, 12 volts, 24 volts or even higher, such as the 600 to 1200 volts systems used to power the motors of some electric trains.
For information about voltages used for household electrical services in different countries, please see the answer to the Related Question shown below.
What else can I help you with?
What should be the outputs of the hot neutral and ground wires respectively when tested with a multimeter?
When tested with a multimeter, the hot wire should show a voltage reading of approximately 120 volts (or 230 volts, depending on your region) relative to ground. The neutral wire should show a voltage reading close to 0 volts when measured against ground, as it is at the same electrical potential. The ground wire should also read 0 volts when tested against either the hot or neutral wires, as it serves as a safety path for electrical faults.
If building is serviced with 480 volts and you put a meter between ground and hot what will be the reading?
For alternating current, and assuming the supply transformer is properly grounded, you will have 240 volts to ground. 480 volts; single phase will have Line1 and Line2, both with 240 to ground and 480 across both Lines : three phase will have Line1, Line2, and Line3, all will have 240 to ground, and 480 across any two Lines. Same is true for 240 volt service, 120 to ground and 240 across. 120 volt service is 240 volt service using ground as neutral.
What is 240 volts 2 hots and a ground?
A 240-volt, 2-hots-and-a-ground electrical system is commonly used for larger home appliances such as ranges, dryers, and air conditioners. It consists of two hot wires carrying 120 volts each (for a total of 240 volts) and a ground wire for safety. The two hot wires provide the higher voltage needed to power these larger appliances.
Why doesn't a multimeter read 120 volts between the hot ungrounded conductor and the floor which is the electrical ground?
"ungrounded" = floating.
Is 277 volt one hot wire?
No, 277 volts is the line to neutral of a 480 volt wye three phase system. L1- N, L2 - N and L3 - N will give you 277 volts. L1 to L2. L2 to L3 and L3 to L1 will give you 480 volts.
If wall current is said to be alternating why does it have a positive and a negative?
AnswerThere is no positive and negative. There is hot and ground. The hot (120 volts AC) is in reference the ground (Earth).
What should be the outputs of the hot neutral and ground wires respectively when tested with a multimeter?
When tested with a multimeter, the hot wire should show a voltage reading of approximately 120 volts (or 230 volts, depending on your region) relative to ground. The neutral wire should show a voltage reading close to 0 volts when measured against ground, as it is at the same electrical potential. The ground wire should also read 0 volts when tested against either the hot or neutral wires, as it serves as a safety path for electrical faults.
If building is serviced with 480 volts and you put a meter between ground and hot what will be the reading?
For alternating current, and assuming the supply transformer is properly grounded, you will have 240 volts to ground. 480 volts; single phase will have Line1 and Line2, both with 240 to ground and 480 across both Lines : three phase will have Line1, Line2, and Line3, all will have 240 to ground, and 480 across any two Lines. Same is true for 240 volt service, 120 to ground and 240 across. 120 volt service is 240 volt service using ground as neutral.
How much clearance is need around 18000 volts to keep it from jumping to ground?
18000 volts clearance
How many glows should you get when testing a three pin plug?
You should get two glows: Hot to ground, hot to neutral. Neutral to ground should not glow, it should be less than 4 or 5 volts difference, over 50 volts is required to glow.
What is 240 volts 2 hots and a ground?
A 240-volt, 2-hots-and-a-ground electrical system is commonly used for larger home appliances such as ranges, dryers, and air conditioners. It consists of two hot wires carrying 120 volts each (for a total of 240 volts) and a ground wire for safety. The two hot wires provide the higher voltage needed to power these larger appliances.
Can you get 120 volts from a 480 volts 3 phase Y generator?
NO, the 480 Volts Y -- is 4 wire system, with three wires which are hot legs @ 480 volts between each three hot legs. A mid tap is a neutral leg (ground) the white wire. Which gives 277 volts between it and any of the three hot legs. so a 4wire 480 volt Y system. Gives 480 /277 volts.
Why doesn't a multimeter read 120 volts between the hot ungrounded conductor and the floor which is the electrical ground?
"ungrounded" = floating.
Is 277 volt one hot wire?
No, 277 volts is the line to neutral of a 480 volt wye three phase system. L1- N, L2 - N and L3 - N will give you 277 volts. L1 to L2. L2 to L3 and L3 to L1 will give you 480 volts.
How do you install a 220 plug?
You need two hot legs of 110 volts to make 220. While each led is 110 volts to neutral, between the two hot legs you have 220v. You should have two different hot legs of 110, a neutral and a ground to meet code now a days.
Does a 220 outlet have 2 hot wires?
Yes, a 220 outlet typically has two hot wires, one neutral wire, and one ground wire. The two hot wires each carry 110 volts, which combine to provide 220 volts for larger appliances like dryers and ranges.
How do you covert 120 volts to 208 volts?
Single phase or three phase? 120/208 would be measured hot to ground for 120 and hot to hot (phase to phase) for the 208 reading. Any hot to ground will read 120 and any two phases together will read 208.
