You can run multiple independent GFCIs or combination of unprotected and protected on a single circuit so unless your load is high you won't gain much with two circuits. The redundancy gained with two circuits is really only related to the actual breaker tripping which is highly unlikely and unless you have two return pumps with one on each circuit you haven't gained any additional protection anyway. You can also run 20amp instead of 15amp.
Also keep in mind anytime you modify a component related your household electrical you're technically suppose to bring that area up to code, this can be an issue with older homes.
Last edited by sphelps; 11-23-2011 at 03:18 PM.
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