Subpanels in detached structures have specific grounding and bonding requirements that are frequently missed by whoever ran the circuit. Worth verifying rather than assuming.

This is most common in homes built since 2000. PEX on slab, 200 amp service, builder-grade equipment that reaches end of life across a whole street at once.

Related

• Federal Pacific or Zinsco panel
• Two-prong outlets throughout the house
• Cloth-covered cable visible in the attic or basement
• Fuse panel, or a 60 amp service
• Fuse larger than the wire it protects
• Ceiling fan mounted to a standard light box
• Knob-and-tube still energised
• No GFCI protection anywhere in the house

Back to Electrical.

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Written by Jaylan Jones. I Like To Fix earns a referral fee when a call connects to a contractor. See our business-model disclosure.