The reason they don t do it is because 15 amp switches are cheaper to use.
15 or 20 amp light switch.
These areas are generally served by standard 120 volt 15 amp or 20 amp circuits that may serve more than one room.
Used when controlling light s from one location.
On a 20a circuit use a 20 amp divice and the same holds true for the 15a.
The breaker will be marked with either a 15 amps or a 20 amps.
This will help to accomodate for those brown out conditons caused by voltage drops if that s your issue and nothing in the code.
The current must not exceed 80 percent of the switch s current rating.
Be sure that your switches are rated for 20 amp thru 15 amp use.
Note that the wire on a 15 is smaller 14ga and the wire on a 20a is larger 12ga you must not have 14 ga wire on a 20a.
The ul listed switch can be used with a metal wall box for self grounding safety and can be installed on 15 20 amp circuits with back and.
If a lighting circuit has a 10 amp load operating at 125 volts ac the switch that controls that circuit must be rated at a minimum of 125 volts 10 amps ac even on a circuit with a 20 amp circuit breaker.
Smart upgrade from a standard switch for use on a 15a or 20a circuit.
Features nylon toggle and heavy duty contacts for longer trouble free operation.
Designed for use on 15 or 20 amp circuits the switch resists impact and cracks to deliver long lasting performance.
Installs easily with internal clamp type color coded terminal screws.
This switch is resistant to cracking for durability and features an almond finish for beauty.
That ll tell you which switch to go with second yes you can safely use a 20 amp switch on a 15 amp circuit.
Controls light s from one location.
An exception is made for motors controlled by switches.
Works with either 15 amp or 20 amp circuits.
These rooms require that a wall switch is placed beside the entry door of the room so that you can light the room upon entering it.
This switch can control either a ceiling light a wall light or a receptacle for plugging in a lamp.