In the world of electrical distribution, safety and reliability are paramount. Among the various standards governing electrical equipment in North Ame...

DSJ is proud to announce that we have officially obtained our UL 891 certification for switchboards, marking a significant milestone in our commitment...

A dry type transformer works by transferring electrical energy between circuits through electromagnetic induction, using air or solid insulation mate...

Selecting between an oil-filled transformer and a dry-type transformer is not a matter of preference. It is an engineering decision based on load prof...

We are proud to announce the successful delivery of ten 2500KVA Oil-Immersed Transformers to one of the Philippines' largest engineering and construct...

When designing or upgrading an electrical system for a commercial building or industrial facility, one of the most important decisions you will make i...

A Reliable Solution for North American Distribution Systems In North American medium-voltage distribution systems, reliability, fault isolation capabi...

UL891 is one of the most widely recognized safety standards for low-voltage deadfront switchboards rated at 600V or below. It defines construction req...

IntroductionAs we move through 2026, the global electrical industry is undergoing a "Digital-First" revolution. Leading giants like ABB and Schneider ...

Maintaining a diesel generator comes down to a consistent schedule of oil changes, filter replacements, coolant checks, and load testing. A well-main...

Selecting the right transformer is a critical decision in any power distribution project. The choice between dry-type transformers and oil-immersed tr...

In North American low-voltage power distribution systems, copper bus is still the dominant choice for UL 891 switchboards. Aluminum bus is permitted b...