A 220 volt power cord has 2 positive terminals. The will look the same. The one that is different will be the ground.
First ground your amp and cap, amp has a ground slot usually and connect the caps negative terminal to a ground. then you take the power cord running from your battries positive terminal to the poitive terminal on the cap. also hook up a power cord running from your amps power input to the positive cap terminal
A qualified electrician should make the change to a dryer connection. The best way to cheaply make the change is to change the power cord on the dryer to the three hole standard.
It could be a loudspeaker polarised plug.
Whether a device requires a 3-prong power cord depends on its design and electrical requirements. The wattage alone does not determine this. However, devices that consume more than 1000 watts typically require a 3-prong power cord for safety reasons. For devices with lower wattage, it is best to consult the manufacturer's specifications or the device's user manual to determine the necessary power cord.
To adapt a three prong range cord?æto a four prong outlet you need to remove the screws from the back plate to open the electric access panel. Then, pull out the copper grounding strip attached to the middle terminal. Next, remove the green ground screw from under the terminal block and attach it to the four prong outlet.?æ
To connect a three prong power cord to a stove, remove the back of the stove and take off the old cord using a screwdriver. Connect the new cord according to the wire colors with the screwdriver.
Check Lowes and Home Depot they normally carry the adaptors
Dryer plug three to fourOpen up the electrical access panel on the back of the dryer. You will see a terminal block with three wires going into it from the plug cord assembly. A red and black and white are now connected to the terminal strip. Look at the position and colours of the existing 3 prong cord and how it is connected. Make a diagram. Coloured wires on the outside terminals white in the center. From the center wire terminal you will see a jumper strap that goes to the frame of the dryer. When installing the four prong plug this jumper is removed completely. The kit should have with it a grounding lug that connects to where the removed grounding strip attached to the frame of the dryer. This is the attachment point for the fourth green ground wire from the new dryer cord assembly.
Grounding.
Depends on the size of the wire in the extension cord. The 3 prong is just the hot, neutral, and ground.
The ground prong is connected to the computer chassis, including the outside of the power supply module. This is a safety feature to ensure that the metal case of the computer and power supply never becomes dangerously electrified in the event of a loose wire. Modifying the power cord not to have a ground prong would violate electrical codes intended to prevent accidental electrocution. That said, the ground prong is not essential for the normal operation of the computer, and the computer will still function without it. Proceed at your own risk.
I don't know about an extension cord, but they do sell plug adabters. You can pick them up at any hardware store or even Wal-Mart. They are ussaully grey or orange , and look like the plug end of the extension cord. One end will have the 2 prong, the other side will have the slots to plug in the three prong.