(a) In this section, 'lockout tag' means a tag that: (1) seals a knife blade disconnect switch box closed; (2) is attached to the exterior of the knife blade disconnect switch box with a metal or plastic strap; and (3) includes a safety warning about the potential for electrocution if an individual removes the lockout tag or touches the contents of the knife blade disconnect switch box. (b) A company that installs solar photovoltaic systems shall install a lockout tag at each residential installation at the time of installation.
Maryland Legal Code