T&D Buyer's Guide

High Voltage, Inc. designs and manufactures industry-leading high voltage test equipment for proof testing, diagnostic testing,  high voltage breakdown testing, and preventative maintenance testing. Trusted for the most technically-advanced, portable, and user-friendly high voltage equipment on the market. HVI test sets are used worldwide by utilities, testing service companies, electrical contractors, large industrial factories, and electrical apparatus OEMs.

HVI has been an essential supplier of electrical testers and test kits for over 20 years. Our familiarity with the regulations and procedures inherent to this industry make us more than a supplier or manufacturer, but a partner. Customers turn to HVI for its high-quality testing equipment, unparalleled customer support, and its commitment to sharing deep industry knowledge in an approachable, helpful way.

By working closely with technicians and professionals like you, we have been able to consistently innovate new technologies and solve real world problems with custom solutions. For the industry standard in high voltage testing equipment, you can rely on HVI.

We are a manufacturer of identification products for Electric utilities, Telecommunication companies, Pipeline companies and OEM's. For 70 years we have made pole tags, cable markers, data plates, substation signs and all things identification.  Tech Products, Inc. provides the most durable products in our industries with brand names like EVERLAST, Tech-3D, FASTTAG, and TechBrite.  We are also a service company - an information provider. We work as a team member with a customer to find a solution for their identification need.

Our Mission

To ensure that all people globally have reliable, safe and secure energy in a sustainable world.

About Us

Founded in 1920, Doble Engineering Company ensures reliable, safe and secure power for all. We do this by providing comprehensive diagnostics and engineering expertise for the energy industry.

Doble is part of the Utility Solutions Group of ESCO Technologies Inc. (NYSE: ESE) and serves customers around the globe. Doble is an ISO 9001 & ISO/IEC 17025 & 17034 certified company.

Since 1905, G&W Electric has been a leading provider of innovative power grid solutions including the latest in load and fault interrupting switches; reclosers; sensors; system protection equipment; power grid automation; transmission and distribution cable terminations; and joints and other cable accessories. G&W Electric is headquartered in Bolingbrook, Illinois, U.S.A., with manufacturing facilities and sales support in more than 100 countries, including Canada, Italy, China, Mexico, Brazil, India, and Singapore. We help our customers meet their challenges and gain a competitive edge through a suite of advanced products and technical services.

Critter Guard designs and manufactures animal prevention products to protect substations and transformers from critter-related power outages. Many utilities have standardized using Critter Guard products for its effectiveness and proven reliability in all weather conditions.

Critter Guard BLOCKS points of entry via utility poles and power lines. With Critter Guard, critical components aren't simply covered up like the competition.

Common features of Critter Guard products include:

• No need to de-power the line for installation or substation maintenance.

• Nothing to replace or lose during service.

• Easy Installation

Critter Guard’s product line consists of: Line Guard, Pole Guard, and BirdBloc. All of these systems are defined by one characteristic — No Access.

Founded by Fouad Brikci, Ph.D., Zensol specializes mainly in instruments targeted at the electrical energy industry and maintenance services. 

Zensol has become the pioneer in a new testing method to detect problems in on line tap changers, circuit breakers and reclosers. We have the knowledge to use this innovative technology while the transformers and circuit breakers are on line. 

Designer by our engineers, they are portable and suitable for harsh environments (extreme temperatures from -40°C to +60°C). They are known for their sturdiness and their performance and a life expectancy of 15 years and more. 

Power Source Instruments Inc. (PSI) is a leading distributor of premium, high-voltage test equipment and products for the industrial and electric utility industries. We are the primary distributors in Canada for top brands such as Powermetrix, Arteche, T&R Test Equipment, HighTest and Shallco.

We bring a wealth of industry experience where comprehensive support and commitment will continue, not only at the start, but long after you’ve purchased and begin to use our products. Whether you represent a national hydro company or if you are an independent contractor, we offer the assistance you rely on to help you get the job done.

Evluma is committed to developing affordable, long-lasting and environmentally low-impact LED lighting solutions that fundamentally change the landscape of the outdoor utility lighting market. Evluma’s high standard of customer service plus its background in innovative lighting technologies and software cooperatively influence the design of its utility-grade products. Evluma has added a family of roadway luminaires to its product line. Available in three sizes, the RX1 (small) is the winner of a BrightStar award.