Galvanized Rigid Nipples, NPT thread with end-cap on each end, Complies with industry standards, c(UL)us Listed, Meet UL6 and ANSI C80.1, Threads conform to ANSI B1.20.1
Single Flush Mounting Socket Outlets (also IT/DATA/EDB or Hospital Versions), 2-Pole 3-Wire Grounding (2P+E)