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Current load is the amount of electrical current transmitted from a power source to a device. Power sources and load requirements must be considered before connecting any item. Voltage sources send a constant current, but short circuits occur when a device requires more current than the source can supply. Wiring plays a role in current load, and using the correct gauge is important to prevent damage.
Current load is the amount of electrical current that is transmitted from a power source to the device or appliance receiving power. Most power sources can only deliver certain amounts of energy before they get too hot or fail. This means that the current carrying capabilities of a power source and the load requirements of the item being used must be taken into consideration before connecting any item to a power source. Any item plugged into a power source can be damaged if the load provided by the power source is greater than the load the item can handle. When this aspect is not taken into account and an item is plugged into a power source that delivers a much greater current load than the item can handle, the item could overheat and become damaged.
In most cases, an energy source is not measured directly in terms of current load. Instead, power sources are usually measured in terms of voltage and in many cases may also be referred to as voltage sources. These types of voltage sources send a constant current to whatever element is connected to them.
Voltage and current power systems operate effectively as long as the amount of electrical current required by the power source is within the current carrying capacity of the power source. When a device that requires power needs to draw more current from the power source than the source is able to supply, a short typically occurs. This means that the power source is unable to supply enough current to effectively power the device.
Wiring also plays a large role in the current load a device can handle, because certain sizes of wires, often called wire gauges, can only handle a certain amount of current or voltage sent through them. When the load is too great for the wiring that supplies power from the source to the device using the power, the wire itself can become very hot and in some cases even burn out. Ensuring that the size of wire used is the correct gauge for the amount of current the item requires is very important to ensure that neither the item nor the power source is compromised or damaged when power is drawn.
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