What are Arc Flash Suits? Arc flash suits are protective clothing designed to shield electrical workers from the dangers of electrical arc flashes and other electrical hazards. These suits are made from fire-resistant materials such as Nomex, Kevlar, and other synthetic fabrics that are resistant to ignition, melting, and burning. Arc flash suits consist of a full-body suit or a combination of clothing items such as jackets, coveralls, gloves, hoods, and helmets. These items are specifically des