T&D Buyer's Guide

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.

For nearly 50 years, SDT North America has helped the world’s most reliable companies achieve their operational objectives through better asset reliability. Our technology empowers maintenance and reliability teams to foresee failures, eliminate energy waste, and make smarter, safer decisions.

Ultrasound is often the first indicator of change in an asset’s condition. Its sensitivity to friction, impacting, and turbulence makes it one of the most versatile condition monitoring technologies available—capable of detecting subtle defects long before other methods.

At SDT, we harness this power across the 8 Pillars of Ultrasound:

• Bearing Condition Monitoring

• Precision Lubrication

• Compressed Air & Gas Leak Detection

• Steam Trap & Valve Testing

• Electrical System Inspection

• Hydraulic System Testing

• Tightness Testing

• Pump Cavitation Detection

Our portable ultrasound data collectors and acoustic imaging cameras are known for their accuracy, repeatability, and ease of use—trusted by industries across the globe to increase uptime, improve sustainability, and reduce operational risk.

Discover why SDT is known as The World’s Favorite Ultrasound Company—and how we help you bring reliability into focus.

Spectrum Industries, Inc. is a supplier of low, medium and high voltage current and potential transformers, transducers, shunts, analog and digital meters, power monitors, power analyzers, protector relays and switches. Same day shipping on stock items. Our main priority is customer service, we also specialize in finding replacements for old and/or obsolete meters and transformers.

Tallman Equipment is an employee-owned company and has served the electrical transmission and distribution industry for over 70 years. We offer a comprehensive range of services to linemen, including new tool sales, rentals, ground and jumper set manufacturing, transformer sling production, and expert testing and repair.  

Tallman carries a wide selection of the best tools and equipment from the top brands in the utility industry.  

Our rental inventory includes stringing blocks, ground and jumper sets, battery powered cutting and crimping tools, fiberglass hot arms, hoists, dynamometers, rubber goods, and more.  

The Tallman Assembly Department custom-builds ground and jumper sets as well as performing dielectric testing and repair on used grounds and jumpers.  

Our rope department specializes in transformer sling assemblies as well as rope splicing and custom rope solutions.  

Our repair department services all tools commonly used in the utility industry including hydraulic, pneumatic, gas, and battery-powered equipment, stringing blocks, dynamometers, and mechanical hoists. 

Tallman offers complete repair and reconditioning of fiberglass tools, including hot sticks, conductor and support gins, ladders, extension arms, shotgun sticks, and more.  

The Tallman Rubber Lab cleans and performs dielectric testing on rubber gloves, blankets, sleeves, and other rubber goods and cover-up. All testing is done in accordance to ASTM standards.  

At Tallman Equipment, our vision is to deliver quality, convenience, and reliability to our customers by adapting to their needs and always striving to do the right thing.

MDF Cable Bus Systems 4465 Limaburg Rd. (Zip 41048) Manufacturer of Cable Bus Systems for High current, electrical busway applications (1000 to 6000 Amps). AC & DC Systems are available from 600 Volt to 35KV. Complete Engineered systems are supplied for Industrial, Utility and Commercial applications including service entrances, primary and secondary feeders, plant distribution, large motor and equipment feeders. Corrosion resistant aluminum, bus enclosures are supplied for indoor and outdoor applications. PVC coated systems are available for highly corrosive environments. Supports for busway systems can also be supplied.

In 1897, ACA sold the first aluminum for current-carrying application. That sale was the beginning of a relationship between ACA and the electrical industry that has prevailed for nearly a century. Today, ACA Conductor Accessories is the world^^s foremost supplier of aluminum conductor accessories to the entire utility industry. Yet, we are more than simply a manufacturer of metal products... we offer a depth of engineering, production, training and testing services not available from any other source, at any price. With ACA, you get the product performance you need for reliability, and the know-how to apply it. ACA expertise, born from beginnings of the electric age... it^^s an edge that makes a big difference. The entire ACA organization is ready to listen to your needs and provide a better technical solution for improved system reliability. We will be happy to provide you with detailed literature and answer specific questions about any of our products and services. Contact us today for more information and the name of the ACA field representative near you.

Evluma manufactures LED lighting products that assist universities, utilities and municipalities replace and retrofit existing HID fixtures. The OmniMax LED replacement lamp is the ‘Perfect Fit’ for decorative post top lighting. Evluma's AreaMax is “The Utility Standard” for street and area lighting. All Evluma products operate with ConnectLED Bluetooth controls. Now offering a full line of globes for post top fixtures!

Sediver is the pioneer and industry leader in high voltage toughened glass insulation technology for more than 70 years. Our outstanding track record confirms the quality of our products, with 600 million toughened glass insulators in service, on both AC&DC lines, in 150 countries and every climatic condition. In North America, nearly 40M  Sediver glass insulators have been providing reliable service to more than 100 utilities since more than 50 years.

Sediver Research Center has developed state of the art smart solutions for real-time monitoring of leakage current & predictive maintenance. Sediver technical assistance team helps support our  customers by providing T/ line insulation design expertise and testing of aging insulators for end-of-life diagnostics.

Sediver offers a full range of:

• Cap & Pin toughened glass insulators for AC & DC Transmission lines (ANSI & CSA standards), with M&E Ratings up to  200 000 lbs (860 KN).

• Glass suspension insulators for distribution lines 15-69KV,

• RTV coated glass insulators (Sedicoat) for polluted environments.

• Glass Insulators for insulated HV/T-line shield wires.

• Large diameter glass insulators for mitigation of bird droppings on suspension strings.

Testing facilities in the USA

Sediver's West Memphis laboratory regularly performs such work, providing US utilities with clear factual diagnostics.

• State-of-the-art testing equipment

• Sediver’s unique expertise in the evaluation of the results

• Full support from Sediver’s extensive R&D Team

• Experience with complex case studies for refurbishment/upgrades of AC and DC lines