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Can you put a 15A switch on a 20A circuit?
As you’d be using the switch to control loads that may exceed their capacity. That is, for a 20 amp circuit, you can use one 15 amp outlet. Basically, one 15 amp switch. This is because multiple outlets can cause problems.
Can I use a higher amp switch?
A friend of mine says that having a switch of higher capacity than the branch circuit breaker can cause the breaker to trip. I say he’s full of it; a switch is a switch, and a 20A S/P will just be beefier than a 15A. As long as it’s rated for at least the amperage draw of the circuit, you’re fine, IMO.
Do I need a 15 or 20 amp switch?
A rule to go by is. If you have one or two lights on that one switch, then a 15 amp is good. But if you have a lot of lights on that one switch I would just go with a 20 amp switch to be safe.
Do you need a 20 Amp switch for a 20 amp circuit?
So, basically the switch needs to be a 20 amp switch for multiple receptacles on a 20 amp circuit. This is because you can’t assure that the overall load won’t exceed 15A. If you had only one 15A rec switched, it would be ok. Also it would be ok for lighting assuming you calculate max lighting load <=15A.
Does a garbage disposal need a 20 Amp switch?
Decora style switches are available with 20 amp ratings. A switch only needs to be rated for the load it controls. Unless your GD draws more than 15 amps a 15 amp witch is fine.
Do you need a 20 amp switch for a 20 amp circuit?
Are most outlets 15A or 20A?
Most homes in the U.S. are wired with a combination of 15-amp and 20-amp, 120-volt circuits. Because 15-amp receptacles can be used with 20-amp circuits, most of the outlets you see in American homes are the standard 15-amp variety, with two slots and a U-shaped grounding hole.
Can a 15A switch be used on a 20A circuit?
Using a 15A switch on a 20A circuit is potentially dangerous though: the circuit may draw up to 20A, but the switch will be overloaded at that point which may cause it to overheat/melt/start a fire. A 20A outlet is not allowed on a 15A circuit.
Can a 20A switch cause a branch breaker to trip?
A friend of mine says that having a switch of higher capacity than the branch circuit breaker can cause the breaker to trip. I say he’s full of it; a switch is a switch, and a 20A S/P will just be beefier than a 15A. As long as it’s rated for at least the amperage draw of the circuit, you’re fine, IMO. Thoughts?
How many amps does a two way switch need?
Even if a wire or switch is only expected to pass half an amp, if it’s fed by a 15 amp breaker it must be capable of passing 15 amps. If a wire that could pass 15 amps without creating a hazardous condition would be impractically large in a particular application (e.g. with Christmas-light sets) then there must be a fuse or breaker upstream of it.