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Tweaks for systems, rooms and Do It Yourself (DIY) help. FAQ.

RE: Circuit breaker - Equipment protection fuse question.

Unless the 15 amp breaker is tripping on power-up when turning on your audio equipment changing the 15 amp breaker to a 20 amp will not yield any sonics benefit from your system. The current carrying guts inside a 15 amp breaker are exactly as the same as the 20 amp breaker. Only the trip sensing units are different.

Now if you are using 20 amp receptacles on the 15 amp branch circuit then you should change the breaker to a 20 amp. It is a violation of NEC electrical code to install 20 amp receptacles on a 15 amp branch circuit.
(The breaker handle rating determines the size of the branch circuit.)
Jim


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