OSHA 29 USC 654 All encompassing law that states it is the employers responsibility to protect employees
OSHA 1910.132 General regulation for assessing workplace hazards and providing employees with proper PPE, care and maintenance of PPE, and training on proper usage and care and maintenance of PPE
OSHA 1910.335 PPE regulations for employees that may be exposed to potential workplace electrical hazards
1910.132(d) Hazard assessment and equipment selection.
1910.132(d)(1) The employer shall assess the workplace to determine if hazards are present, or are likely to be present, which necessitate the use of personal protective equipment (PPE). If such hazards are present, or likely to be present, the employer shall
1910.132(d)(1)(i) Select, and have each affected employee use, the types of PPE that will protect the affected employee from the hazards identified in the hazard assessment;
1910.132(d)(1)(ii)Communicate selection decisions to each affected employee; and,
1910.132(d)(1)(iii)Select PPE that properly fits each affected employee. Note: Non-mandatory
1910.132(d)(2)The employer shall verify that the required workplace hazard assessment has been performed through a written certification that identifies the workplace evaluated; the person certifying that the evaluation has been performed; the date(s) of the hazard assessment; and, which identifies the document as a certification of hazard assessment.