110.8(A) printed below, indicates "while they are working on or near exposed electric conductors or circuit parts that are or can become energized". The insulating plastic sheet covering the line side of the disconnect is not rated to withstand an arc fault, and the proper PPE should be worn when working on or near the switch, in the event that an arc occurs on the line side. JMHO
110.8 Working On or Near Electrical Conductors or Circuit Parts.
(A) General. Safety-related work practices shall be used to safeguard employees from injury while they are working on or near exposed electric conductors or circuit parts that are or can become energized. The specific safety-related work practice shall be consistent with the nature and extent of the associated electric hazards.
(1) Live Parts—Safe Work Condition. Live parts to which an employee might be exposed shall be put into an electrically safe work condition before an employee works on or near them, unless work on energized components can be justified according to 130.1.
