one question here.
installing a 100 amp lug subpanel in my basement to be feed from 100 amp breaker in main panel...
what type/size of wire am i asking for ?
You may use #4 copper (two hot, one neutral) and a #8 copper ground (insulated), type THHN or THWN in most jurisdictions.
If your work will be subject to inspection, many jurisdictions rigorously enforce the ampacity tables and the exception that allows #4 copper for dwelling services or "the main feeder" would not be allowed for a sub-panel. #3 THHN copper would be the minimum size and if you will be using a cable such as NM-B, #2 copper would be the required size. If in doubt, consult your local inspector.
100 amp lub subpanel from 200 amp main service panel
The correct pex pipe insulation for attic
Dupont Real Touch Elite Antique Oak #288-979
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