stopcrazypp
Well-Known Member
If it's 8 AWG that would be even better for OP, the issue is his is thinner than 10AWG.Actually all of the NMD90 6/3 wire I've found has an 8 AWG ground (bonding) wire.
Most big box store 6/3 comes with 10 AWG ground, as that is allowed by code:
Southwire (By-the-Foot) 6/3 Stranded Romex SIMpull CU NM-B W/G Wire 63950099