All other voltages are high or low voltage ratings of light bulbs, appliances, electronics etc. Higher voltage ratings of , , , and volts are for switches, receptacles, bulbs, and certain loads. These ratings indicate the upper limit of voltage for a device or load to operate properly under normal conditions. Lower voltage ratings of , , and volts are for loads appliances, motors, etc. Why do some devices work with one or the other of these voltages? In fact, everything depends on the demand for operating the device.
To understand the electrical phenomenon, imagine that devices that are used in the house operate with water. The energy required would be neither more nor less than the flow of water the device would need to function. Here is an example of a W microwave in a V vs. You will see these typically in the panel or at the receptacle as a black and white wire.
This will be on a single pole breaker in the panel. Large appliances, such as heaters, cooking equipment, clothes dryers, and air-conditioners are connected across the two hot conductors L-L and operate at V, requiring less current amperage and smaller conductors than would be needed if the appliances were designed to operate at V.
Since the current in each leg of a split-phase system is degrees out-of-phase , the neutral wire carries only the difference of current between the two lines, or zero current when the load on both legs are equally and or perfectly balanced i. If you exceed 15 amps , the breaker will blow, and protect the receptacle.
Most people think that V is cheaper because it uses half the amps that V uses. The wattage is the same for both V and V , so the cost to run them would also be the same. The neutral white from the new cable attaches to the AFCI. On a main panel, you connect the ground wire from the new cable and the neutral white pigtail from the AFCI to the neutral bus. If you're installing a breaker on a subpanel, place the neutral and ground on separate bus bars.
Splitting a v receptacle. Yes, probably, and yes, probably. Check how the circuit is wired at the receptacle and also at the panel. However, you might want to run new circuits for your lights and outlets anyway to provide more flexibility. Series or Parallel But, in fact, all household receptacles are always wired in parallel , and never in series.
In a series circuit, current must pass through a load at each device. By contrast, switches and circuit breakers are wired in series. Voltage passes through these devices in order to continue down the line. Counting Wires in Electrical Boxes Each insulated wire , all cable clamps combined, all uninsulated wires combined, and each support for light or other fixture count as one wire.
Each switch, outlet , or other device counts as two wires. Basic wire sizing guide for US and volts Gauge Amps Watts 16 9 14 12 12 16 10 24 In other words, the outlet is the receptacle an appliance is plugged into.
You can plug nearly all small household appliances, such as TVs, radios and computers into a standard outlet. These outlets supply volts of electricity and will usually contain holes to accommodate two- or three-pin plugs. You can use a device that has a 15 - amp plug with either a or 20 - amp receptacle.
0コメント