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What's the difference between 15-amp and 20-amp circuits?

Updated this week

15-amp circuits (standard):

  • Typical for general lighting and outlets

  • Supports up to 1,800 watts

  • Uses 14-gauge wire

  • Suitable for most rooms

20-amp circuits (heavy-duty):

  • Required for kitchens, bathrooms, laundry

  • Supports up to 2,400 watts

  • Uses 12-gauge wire

  • Necessary for high-draw appliances

Modern code requires 20-amp circuits in kitchens and bathrooms. We'll ensure your home meets current safety standards during any electrical work.

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