Everyone should always pay attention to the amount of current(amps) that is available at the supply receptacle and not exceed it. But when using an extension cord for any device you want it to appear
electrical invisible. This is obtained with the heavy gage wire. When you purchase any high wattage
electrical device it comes with instructions not to use with an extension cord. This is because the average person will plug it into a cheap extension cord(small gage). The weak point in one is the connection and can heat up enough to cause a short or fire.
If the supply is wired correctly, a fuse or circuit breaker will trip if the current is exceeded. With a good heavy extension cord and the current is exceeded the same thing happens. This way nothing gets hot and everything is safe.
Be Safe
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