Panelboards or other equipment rated 240 volts and below

Based on your answers, Category 1 arc flash PPE is required for work.

You selected:

Panelboards or other equipment rated 240 volts and below.

Equipment Parameters:

Maximum of 25 kA available fault current; maximum of 0.03 sec (2 cycles) fault clearing time; minimum working distance 18 in.

Arc Flash Boundary:

19 inches

Category 1

Minimum Arc Rating:

4 cal/cm2 (16.75 J/cm2) (See Note A)

Required Arc-Rated Clothing:

Arc-rated long-sleeve shirt and pants OR arc-rated coverall
Arc-rated face shield OR arc flash suit hood (See note B)
Arc-rated jacket, parka, rainwear, or hard hat liner (AN)

Required Protective Equipment:

Hard hat
Safety glasses or safety goggles (SR)
Hearing protection (ear canal inserts) (See note C)
Heavy-duty leather gloves (See note D)
Leather footwear (AN)

Image courtesy of Graphic Products.

Notes

AN: As needed (optional). AR: As required. SR: Selection required.

Note A: Arc rating is defined in Article 100 of NFPA 70E: Handbook for Electrical Safety in the Workplace (2018 edition).

Note B: Face shields are to have wrap-around guarding to protect not only the face but also the forehead, ears, and neck, or, alternatively, an arc-rated arc flash suit hood is required to be worn.

Note C: Other types of hearing protection are permitted to be used in lieu of or in addition to ear canal inserts provided they are worn under an arc-rated arc flash suit hood.

Note D: If rubber insulating gloves with leather protectors are used, additional leather or arc-rated gloves are not required. The combination of rubber insulating gloves with leather protectors satisfies the arc flash protection requirement.

HOW TO CHOOSE PPE

Panelboards or other equipment rated 240 volts and below