No. Motor homes are exempted from CDL requirements (for better or worse). Some states, however, may require residents to obtain a non-commercial equivalent licence (Class A or B) for non-commercial vehicles matching the weight requirements for the equivalent CDL licence.
For private use, no state requires a CDL for an RV.
Yes you do need a CDL License to drive a bucket truck.
No. CDL requirements apply only to on-road vehicles.
No, CDL requirements pertain only to on-road vehicles.
If you don't need a CDL operating that vehicle intrastate, you don't need it to operate that vehicle interstate, either.
To own one, no. To operate one, yes.
Vehicles which are not used for on-road use do not require a CDL.
Only if you're operating it on a commercial, for-hire basis. For personal use, recreational vehicles are exempt from CDL requirements by the FMCSA.
Dedicated off-road worksite equipment, which is not intended to operate on public roadways, does not require a CDL.
No. California does, however, have non-CDL class A and B licenses which are required for non-commercial vehicles over 26,000 GVWR.
Yes, you would. Without the trailer, you could operate it with either a Class A or Class B CDL.
No. You only need a drivers licence to operate equipment if it's plated for use on public roadways.