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You can't combine the 2 120V lines together. A larger wire (the size depends on the Amps you are going to run) is required to run 240. You can't run 240 through a 120 wire, or 2 120 wires. A new circuit will be required from the circuit breaker box.
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To obtain 240 volts from a distribution panel you need a double pole breaker that connects across two slots in the panel. Don't think of the wires in terms of 120 volts.
The above answer is fraught with mistakes. In truth a smaller wire can be used to run 240 volt equipment. There is no such thing as 120 volt wire. Common wire voltages 300 and 600 volts are based on the insulation factor of the wire. Home wiring insulation factor for wire is 300 volts. Commercial and industrial wiring is usually rated at 600 volts. If you have a specific question use the discussion page and I will talk you through it.
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What else can I help you with?
How do the two 120 volt lines from the power grid become 240 volts when joined together?
Canada and US - Visualize it the other way around. The transformer that feeds your house has a primary of 7200 volts. The secondary voltage is 240 volts. This secondary voltage is a split voltage. There are 3 bushings coming out of the transformer on the secondary side. The two outside bushings have the 240 volts on them. The position of the center bushing splits the 240 in to two 120 volts. This center tap is then grounded and becomes the neutral of your house wiring service. L1 to N = 120 volts, N to L2 = 120 volts, and L1 to L2 = 240 volts.
Stove require 120v or 240v?
240V is much more effecient, and you can put more heaters on a 20 amp circuit than you can a 120V.
How do you rewire a 220v lamp for 120v?
To rewire a 220V lamp for 120V, you will need to replace the existing 220V bulb with a 120V bulb that is compatible with the lamp's socket. Next, you will need to install a 120V compatible power cord that matches the voltage requirements of the lamp. It's important to refer to the lamp's manual or consult with a professional electrician to ensure the rewiring is done correctly and safely.
Can a 240V thermostat be operated using 120V to the themostat and them wired to a 120V heating element?
a 240 volt thermostat (or any 240 volt switch) is generally a 2-pole switch which means it breaks both wires going to the load You can use it for 120 volt loads by using one of the two poles for the "hotleg" wire and just splice through the neutral wire this is a 2-pole switch (the two blades move as one handle) line___.__ \___._ load line___.__ \___._ load The second pole goes unused and gives you a spare for the future
Do I have 120v electrical in my home?
Yes. In the United States, standard household voltage is 120VAC @ 60Hz. If properly installed, you can also run standard devices at 220 or 240 volts AC in the US.
What is the line voltage between two lines?
the voltage between 1 line & phase =120v The voltage between 2 line =240
How do the two 120 volt lines from the power grid become 240 volts when joined together?
Canada and US - Visualize it the other way around. The transformer that feeds your house has a primary of 7200 volts. The secondary voltage is 240 volts. This secondary voltage is a split voltage. There are 3 bushings coming out of the transformer on the secondary side. The two outside bushings have the 240 volts on them. The position of the center bushing splits the 240 in to two 120 volts. This center tap is then grounded and becomes the neutral of your house wiring service. L1 to N = 120 volts, N to L2 = 120 volts, and L1 to L2 = 240 volts.
What does 240 mean?
240 refers to the voltage used in an electrical system. The US uses 120V/240V, while the UK uses just 240V.
How can you wire one half of a 20 amp 120 v duplex wall socket to run 240 volts over 2 legs 2 separate 120 v legs?
You can't. I'm not sure exactly what you're trying to do, but the way it is written is not possible. It seems you might want to use half of a duplex receptacle for 120 and half for 240. This would not be code compliant, nor would it make sense. A plug designed for 240v will not even fit into a 120v receptacle. You need a 240 volt receptacle rated for the amperage you will need. Also, an existing 120v receptacle has nothing to do with your 240v receptacle. For a 240 volt receptacle, you'll need to run 2 new 120v lines (in the same cable). The existing 120v circuit cannot be used here, even if you added another 120v circuit, because when a load uses 240v, both 120v circuits supplying the 240v must be controlled by a common disconnect (a 2 pole breaker designed for 240v circuit). My advice would be to show an electrician what you want done. I'm sure they can tell you how to make that happen.
What is the standard voltage in Alberta Canada?
Household is 120/240 volts at 60Hz. The average wall socket is 120v 60Hz.
What is voltage of 1phase?
In the United States, this is typically between 220 V and 240 V RMS, off a center tapped transformer, to give two lines of 110V to 120V each (180° out of phase from each other). But this is still considered single phase.
How do you produce 120V lines from 240V lines without using a transformer?
220 volt AC current is achieved by having two 110 volt lines with opposite waves or phases. One line will be positive while the other is negative then they flip or alternate 60 times a second (60 hertz). When connecting a volt meter to each of these lines it will read 220volts. Connecting a volt meter from either line to ground will read 110. I don't know if your question is backwards, but in a home you shouldn't have any lines that read 220 volts to ground. In a business or shop there can be 240 volt lines which combined can make 480 for industrial equipment. If your 220 is an older style and only has two hots and a ground (red,black,bare/green) you can't make a 110. If your 220 has 2 hots (red,black), a neutral (white), and a ground (bare/green), you can get 110 from either of the hots (black,red) to neutral (white).
Stove require 120v or 240v?
240V is much more effecient, and you can put more heaters on a 20 amp circuit than you can a 120V.
How can you prevent birds from landing on power lines?
I took coils of roofing nails and uncoiled them to make a strand of nails and zip tied them,point up, to my cable and phone lines that are overhead. But would not recommend this for your homes overhead 240/120v electric line. IMO
120V light fixtures wall mounted you want to convert to 240V for a house overseas?
It will work it you use 240 volt light bulbs.
What does DIMM 240-pin mean?
dual in-line memory module with 240 pins
Can I use a 120v rated bulb in a 240v socket on a 120v circuit?
Only if you want very dim orange light instead of white light, as the 240 volt bulb will operate at only one quarter its power rating when operated at 120 volts. But its life will be greatly increased.
