Lockout tagout is a protection system against unintentional exposure to hazardous energy from equipment and machinery. A lockout device, such as a padlock, secures the energy isolating device while a tagout device, a tag warns employees not to use the equipment.  They are used on electrical equipment, plumbing valves, and machinery during repair or preventative maintenance schedules.  VMS stocks hasps, cables, laminated tags, padlocks, to complete lockout kits from Brady.