Hazardous Locations / Oil & Gas

A process fluid release at the Valero Port Arthur refinery in Texas triggered a significant fire event in early 2026. Weeks later, a separate blaze broke out at a chemical plant in Pasadena, Texas. These incidents made headlines, but for engineers and systems designers producing solutions for hazardous locations, they were only reminders of the […]

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As 2025 draws to a close, it’s clear that this has been a year of progress and purpose for Douglas Electrical Components. We didn’t just hit milestones—we set the stage for even bigger achievements ahead. Let’s take a moment to look back at what we accomplished and share where we’re headed in 2026. A Year of Growth This year, we continued to have double-digit growth, a result of […]

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Oil transformers use liquids to act as an insulator and coolant within the system. The environmental and hazard impact of oil is of greater risk than gas insulators yet is still commonly used in various applications. Various liquid insulators are used in the industry from mineral oil to more environmentally friendly ester-based dielectric fluid. The […]

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Connectors are used in electronic devices to establish connections between components and cables, ensuring smooth signal transmission. Although designed to ensure efficiency and performance of components, these connectors may need additional protection in challenging work environments. This is where environmental and hermetic connectors gain prominence. Both these types are designed to protect components against contaminants […]

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Seal tight connectors, also referred to as Sealtite connectors are electrical cable glands used in hazardous locations. Wire or cable passes through the center of the fitting with a locking nut that tightens to the outside diameter of the cable jacket. Various configurations are available, each with hazardous area ratings. Seal tight connectors offer a […]

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  In today’s demanding environments, reliable data transmission is critical. Douglas Electrical Components steps up with their innovative fiber optic feedthroughs, proven in both hazardous and non-hazardous applications. While optical fibers create many opportunities for data transmission, partnering with a manufacturer you can trust with the handling of delicate fibers is critical. This case study […]

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Cable potting involves encasing conductors in an epoxy, liquid, or gel within an enclosure or feedthrough housing. Douglas Electrical Components employs a proprietary hermetic epoxy to seal wire and cable feedthroughs requiring cable potting. Cable potting is often done in-house by OEM’s or through some Douglas competitors. Differences can arise in the potting encapsulation compound, […]

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  Douglas Electrical Components wire feedthroughs and line bushings are often compared to wire feedthroughs that are hermetically sealed using conduit cement within a metal housing. Conduit cement is a traditional bonding substance for sealing electrical systems and conduits whereas epoxy in wire feedthroughs and line bushings can be more suitable for preventing the entry […]

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  To design safe, electrical systems for hazardous locations, pay close attention to each and every electrical component that you use – including wire bushings. It may be easy to overlook explosion-proof wire bushings or conduit sealing hubs since they’re typically just one, seemingly minor part of a more complex electrical system. Yet, these components […]

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  Douglas Electrical Components, a US manufacturer of hermetic electrical feedthroughs, has expanded its UL1203 Class I Division 1 explosion-proof rated feedthrough line to include “cUL” approval. The added certification within the Douglas Electrical UL file confirms the the various product families approved within the file meet the Canadian Electrical Code standards for explosion-proof rated […]

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