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During the last few years, there has been much progress in understanding the nature of electric arc accidents and their potential impact on nearby workers. Many thousands of workers are potentially at risk, including those who work in industrial environments such as chemical plants and oil refineries, as well those who work more obviously with electricity in utilities etc. While the removal of risk itself must always be the prime goal, the role of adequate personal protective equipment in providing protection from involuntary arc incidents cannot be overlooked. The ideal solution, therefore, is to create a protective system that, from a combination of weight and layers, strikes an optimum balance between thermal protection and comfort. The design of the garments can also make a difference to the overall comfort and the thermal protective performance: loose-fitting clothing provides additional thermal protection due to air spaces between the fabric and the body. The fabric system must also be durable, in order to be financially viable to the employer supplying the PPE. Aramid fibres, such as DuPont's NOMEX brand fibres can meet the requirements of many situations. NOMEX fibre has inherent flame resistance, does not ignite, melt or continue to burn in the event of an arc accident, resists thermal break-open and insulates the wearer from the incident heat energy.