no, that was clear, that copper lug in there shouldn't be able to turn, but you may be able to work something out between the new and old ones to get a workable switch
"When we tug a single thing in nature, we find it attached to the rest of the world" ~ John Muir "When we tug a single thing on an old truck, we find it falls off" ~ me Some TF series details & TF heater pics