Room Addition Home Electrical Wiring
What sort of cable is used for an interior run to a sub-panel and are there protection/mounting requirements… |
Sub-Panel Wiring Electrical Wiring for a Room Addition
Background: Jim, a Homeowner from Utica, NY USA
Question: What sort of cable is used for an interior run to a sub-panel and are there protection/mounting requirements? Here’s the details:
We are building an addition (new room over the garage). We only have 6 slots left in our panel so I was thinking it might be good to install a sub-panel. The obvious route would be from the basement, up through an interior wall one floor to the attic, and then across the attic and into the back wall of the addition, about 75 feet total. One feed to a sub seems easier than 5 or 6 runs of Romex (plus 6 runs completely fills the existing panel). There will be 2 20A wall circuits, a circuit for overhead lights, a 208/230 for a heat pump and a 20A circuit for a supplemental/backup resistive baseboard heater (120 or 240). I was thinking a 60 to 100A sub should be sufficient.
Thanks for your advice and comments.
Additional Comments: This is a very nice site. Although I’m an electrical engineer, I don’t know that much about wiring and codes (I do semiconductor circuit design).
Dave’s Reply:
Thanks for your electrical question Jim.
The Following links will assist you with your electrical question:
Circuit Wiring
Electrical Panel Circuit Listing
Lighting For The Home
Lighting Electrical Codes
Electrical Panel Circuit Listing
For more information about Home Wiring
Home Wiring Diagrams
This link is helpful as a Homeowner
Do-It-Yourself Electrical
Make sure not to miss these Resources for: How-To-Videos
Electrical Videos
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Consult your Local Building Department about Permits and Inspections for all Electric Wiring Projects.
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