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Horizon Insight News

Can a subpanel feed another sub panel?

Author

David Richardson

Updated on February 22, 2026

Yes, it’s redundant, but it’s still required. The wire feeding the new subpanel must be protected from overcurrent by an appropriately-sized breaker. If using both, 1 must be sized for the conductor, and the other can be that size or larger — convenient if you buy a panel with a 100A breaker preinstalled.Click to see full answer. Simply so, can you add a subpanel to a subpanel?Generally speaking, yes. You could put a million subpanels in series, and by itself that wouldn’t be a code violation. The metal conduit can act as the equipment ground so a 4th wire is not required.Also, how many amps can a sub panel be? Make sure you do not overload your service panel. A panel’s total amperage is printed near or on the main circuit breaker, which controls all the circuits in the panel. Most breaker boxes are 100, 150, or 200 amps. Add the amperages of all the individual breakers in the box. In this manner, can I have 2 sub panels? You can have as many “sub panels” as you want to install as long as they are connected correctly. The key issue to focus on is the utility service must be sized to handle the anticipated load.Can you daisy chain sub panels?You can daisy chain. Run a 4 wire cable from your main to the first subpanel and then 4 wire to any other subpanels after that. The subpanel in the house will not need any additional ground rods but the detached garage subpanel will.