Well, this is on federal property, so it gets a little fuzzy between federal, state and local laws sometimes, especially with multiple levels of safety requirements thrown in. Then, we get into semantics on what exactly "qualified" means, as the instructions are invariably vague! Conventional Wisdom: license in the state (any state) conveys qualifications. But I've never seen that in writing.
What would the requirement be for maintenance men/handyman type? I was under the impression they still had to be a licensed electrician/plumber/etc to so much as touch it.