Never used. Electrician is supplying his own so I don't need this one. Specs here: https://www.grainger.com/product/HUBBELL-WIRING-DEVICE-KELLEMS-50-5Z885?internalSearchTerm=50%2C++Industrial%2C++Receptacle%2C++Black%2C++No+Tamper+Resistant&suggestConfigId=8&searchBar=true
Asking $90.
Comes...