Westinghouse Electric Electrical Switchgear and Panels

Product Description

Westinghouse Electric Corporation was one of the most prominent industrial manufacturers in the United States throughout the twentieth century, producing a vast range of electrical equipment that powered factories, naval vessels, power generation facilities, and commercial buildings across the country. Among its most widely distributed product lines were electrical switchgear assemblies and control panels — large, enclosed units designed to manage, protect, and isolate electrical circuits in high-voltage industrial and utility environments.

Switchgear and control panels manufactured by Westinghouse were integral to the infrastructure of American industry. These products were installed in power plants, steel mills, chemical processing facilities, shipyards, refineries, and manufacturing complexes from the mid-twentieth century onward. Their purpose was to house circuit breakers, fuses, disconnects, relays, and bus bars — all of the components necessary to route and interrupt electrical current safely in demanding industrial settings.

Westinghouse maintained manufacturing operations at multiple facilities and supplied switchgear to both the private sector and U.S. government contracts, including installations aboard naval ships and in Department of Defense facilities. The longevity and widespread distribution of these products means that workers across many industries and job classifications potentially encountered Westinghouse switchgear and panels throughout their careers.

Asbestos Content

Litigation records document that Westinghouse Electric incorporated asbestos-containing materials into the construction of its electrical switchgear and control panels. Asbestos was selected for these applications because of its well-established properties as an electrical insulator and a heat- and flame-resistant material — qualities that made it practically useful inside equipment designed to manage high-voltage electricity and withstand the heat generated by electrical arc events.

Plaintiffs alleged that asbestos was used in multiple components within the switchgear assemblies, including arc chutes, arc shields, insulating panels, gaskets, and backing materials associated with circuit breaker housings. Arc chutes — the components designed to extinguish electrical arcs within breakers — were a particularly documented location for asbestos-containing material, as they required materials that could withstand the intense, sudden heat generated when high-current circuits were interrupted.

Internal documentation and expert testimony introduced in litigation has addressed the composition of these materials. Plaintiffs alleged that Westinghouse was aware of the hazardous nature of asbestos and the risks of fiber release during the normal service life of this equipment, as well as during installation, maintenance, and repair activities.

How Workers Were Exposed

Litigation records document that exposure to asbestos from Westinghouse electrical switchgear and panels occurred across a range of industrial occupations and settings. Industrial workers generally — including electricians, maintenance technicians, plant operators, and utility workers — were identified in legal proceedings as populations at risk of occupational asbestos exposure from these products.

Exposure pathways were typically tied to the handling and servicing of the equipment over its operational life. When circuit breakers were tested, replaced, or repaired, the internal components of the switchgear — including asbestos-containing arc chutes and insulating materials — could be disturbed, releasing microscopic asbestos fibers into the immediate work area. Workers who performed routine maintenance, cleaned switchgear interiors, or replaced components without respiratory protection were placed in proximity to these fiber releases.

Plaintiffs alleged that exposure was not limited to the workers directly performing maintenance tasks. Bystander workers present in the same facility areas — machinists, pipefitters, boilermakers, and others working in proximity — could also inhale fibers released during switchgear servicing. In shipyard environments, where Westinghouse switchgear was installed aboard naval vessels and in confined engine rooms and electrical spaces, bystander exposure was a particularly significant concern given the enclosed conditions and limited ventilation.

The industrial and power generation sectors represented especially concentrated exposure environments. Workers at power plants — including those who operated and maintained boiler and turbine systems where Westinghouse equipment was commonly integrated — frequently worked alongside electrical equipment as part of their regular duties. Litigation records document that these workers could encounter Westinghouse switchgear and panels repeatedly over the course of careers spanning decades.

Because asbestos-containing switchgear had long service lives — often remaining in operation for thirty or more years — the window of potential exposure was extended well beyond the original installation date. Workers who were employed at facilities during renovation, decommissioning, or modernization projects also faced potential exposure when aging equipment was removed or dismantled.

This article is provided for informational purposes based on publicly documented litigation records and regulatory history. It does not constitute legal advice. Individuals seeking guidance on asbestos-related legal claims should consult a licensed attorney.