Mark wrote:
I don't understand why you have no ground, 12/2 Romex has a third wire
for ground, does it not?

Otherwise I argree with Mikepier

Mark

When non metallic cable was first manufactured it did no have a ground
wire in the cable assembly. That includes both underground feeder, type
UF, and Nonmetallic Sheathed Cable, type NM.
--
Tom H