Ensure equipment stays disconnected during service or maintenance with this Master Lock S2005 Compact Prong Plug Lockout. Constructed of highly durable plastic, this plug lockout secures with the use of a padlock and isolates the electrical plug, preventing it from being inserted into a socket. Compact design locks out smaller plugs easily and effectively. Fits two prong plugs with and without ground. Use with existing lockout padlocks or lockout hasps. Lockout/tagout tags and locks sold separately.