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Can you have an 18 amp appliance on a 20 amp circuit?
Yes, you can have an 18 amp appliance on a 20 amp circuit. It is important to leave some room for safety margin, and a 20 amp circuit should be able to handle the 18 amp load without any issues. Make sure the wiring and circuit breaker are correctly rated for the load.
Can you use both 15 amp and 20 outlets on the same circuit?
It is generally not recommended to mix 15 amp and 20 amp outlets on the same circuit because it can create a safety hazard. If the circuit is protected by a 15 amp breaker, using a 20 amp outlet could lead to overheating and potentially cause a fire. It's best to match the outlet amperage with the circuit breaker amperage for safety and code compliance.
Can you use 20 Amp with 250 Volt Fuse instead of 18 Amp with 250 Volts fuse in microwave?
No, it is important to use the correct fuse amperage rating for your microwave. Using a higher amperage fuse than recommended can lead to safety hazards, such as overheating and potential fires. Stick to the manufacturer's specified fuse rating for your appliance.
How much current does it take to trip a 30 amp automotive circuit breaker?
In a typical US automobile, a 30 amp fuse will sustain a constant load of 360 watts. Fuses and circuit breakers perform on an "I squared t" rule. For example, a 30 amp fuse will not blow on 31 amps for a very long time. A 20 amp breaker can take anywhere from 10 minutes to two hours to trip on 25 amps. We simply dumb it down so that laymen and technicians need not make mistakes. Power on seven 100 watt light bulbs simultaneously. That means a circuit suddenly provides 50 amps. 50 amps does not trip a 15 amp or 20 amp breaker, again, due to the "I squared t" rule. A 50 amps load only exists for tens of milliseconds. Not long enough. A 30 amp continuous appliance will not trip a 30 amp breaker. But a safety margin means limiting 30 amp appliances to 26 amps or less. Meanwhile, an 18 gauge lamp cord wire typically rated for 10 amps will actually conduct up to 50 amps continuously. Again, that wire is oversized for other safety reasons. And to keep it simple. These concepts apply to fuses vehicles and structures.
Can you run a 115 volt 15 amp air conditioning unit on a 110 outlet?
It is generally not recommended to run a 15 amp air conditioning unit on a 110 volt outlet designed for lower power devices. The unit may not function efficiently or may overload the circuit, causing safety hazards. It is best to use the outlet that meets the voltage and amperage requirements specified by the air conditioning unit.
