High leg question

[stevebea]

No and no (unless a grounded terminal is required, as mentioned already.)

Because, unlike disconnecting and overcurrent requirements, control doesn't require opening all lines.

For example, many single-phase A/C units have single-pole contactors with a 'pass-through' for L2.

Or, what Billy said. Thus:

Thank you Larry for your reply, I hadn't thought about control vs. disconnecting and overcurrent requirements.