A: 90° elbows are available in 3/4” in the store. Model# 64107 Internet# 100148670 Store SKU# 667552
A: This is not made from aluminum. It’s made from steel. Aluminum rigid can be special ordered at the contractor desk.
A: Yes rigid conduit is rated for direct burial.
A: Yes. 3/4" GRC (Rigid) will fit a 3/4" pipe clamp.