author

Arian Ansari

I am an electrical engineer with a master’s degree in Electrical Engineering from a university in Milan, Italy. Throughout my career, I have worked in several electrical panel and switchgear manufacturing companies, gaining practical experience across different technical and operational roles. I currently work at PAYAPRESS, a global manufacturer of busbar processing machines designed for electrical panel builders, switchgear manufacturers, workshops, and enclosure production companies.

Alongside my electrical engineering responsibilities at PAYAPRESS, I contribute technical articles aimed at sharing practical knowledge and supporting professionals in the electrical engineering and panel-building industries. I would be pleased to receive your comments and feedback on my articles. You can also contact me through the social media links displayed on the right-hand side of this page.

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DIN Rail in Control Panels: Complete How-To

June 30, 2026

DIN Rail in Control Panels forms the structural backbone of modern industrial automation. Engineers, panel builders, and procurement specialists rely on this standardized mounting strip to organize circuit breakers, terminal blocks, relays, and programmable logic controllers inside electrical enclosures. The approach replaces custom-drilled plates with a modular rail system that cuts build time and reduces wiring errors.

This comprehensive industrial DIN rail systems guide explains the major DIN rail types for control panels, the governing IEC and UL standards, installation best practices, and the mistakes that lead to costly rework. Furthermore, we examine materials, grounding, load capacity, and essential accessories. Whether you build cabinets daily or specify one a year, the information here delivers practical, standards-based insight you can apply immediately.

Arc Flash Label Decoded: How to Read Every Number Before You Open the Door

June 15, 2026

An arc flash label is the last engineering document a qualified person reads before opening energized equipment. Every number on it comes from a study:

the nominal voltage
the arc flash boundary
the incident energy at a stated working distance, or a PPE category
the shock boundaries and glove class that protect against contact

This guide explains how to read each field and how to tell which type of arc flash label belongs on a piece of equipment. It also covers what NFPA 70E’s label exceptions really allow and how the arc rating on your clothing is derived. For the code text behind the label, see our companion guide to arc flash label requirements.