The 3M™ Power Clamp 5-position Wiremount Plug, 358 series, is used for cable extension and is designed with a latch-stopper that provides firm and secured interlocking when mated to the wiremount socket. Similar to the 3M wiremount socket, 355 series, the wiremount plug, 358 series has semi-transparent color coded covers for choosing the proper conductor size and for inspection, and is polarized to help prevent errors during insertion. The wiremount plug, 358 series is also available as a panel mount.