Our Mission: Smarter, More Efficient Control Panel Design

Welcome to 791 Design! Your go-to resource for control panel design best practices, tips, and insights. Whether you use EPLAN, AutoCAD Electrical, or need guidance on UL compliance and NEC standards, this site is built to help you design more efficient, compliant, and well-documented control panels.

Image of a relay with a green checkmark next to '24VDC' indicating the correct voltage and a red X next to '120VAC' indicating the incorrect voltage for proper component selection in control panels.

Ensuring Proper Component Selection Based on Circuit Voltage

Component selection is one of the most crucial steps in designing reliable and efficient control panels. It’s all too easy to make mistakes, like choosing a relay with the wrong coil voltage—say, a 120VAC relay for a 24VDC circuit. These errors can stem from design changes, procurement missteps, or simple oversight. When components don’t match

Transforming Electrical Design with EPLAN: A Journey from AutoCAD

The transition from AutoCAD to EPLAN has been a game-changer in my approach to electrical design. While AutoCAD has long been a reliable tool for creating detailed electrical schematics, EPLAN offers a suite of features specifically tailored for electrical engineering, significantly enhancing efficiency, accuracy, and project management. Enhanced Efficiency One of the most immediate benefits

Designing Effective Control Panels: Tips and Common Pitfalls to Avoid

Designing control panels involves translating complex electrical schematics into practical, efficient physical layouts. A key challenge in this process is ensuring that what appears optimal on a computer screen functions effectively in real life. Below are some common mistakes made during the layout design phase and tips on how to avoid them. Inaccurate Spacing and

Ensuring Reliable Performance in Extreme Conditions: Thermal Management in Industrial Control Panels

Thermal management in industrial control panels is a crucial design element, especially for panels exposed to both extreme cold and heat. Maintaining reliable performance across varying temperatures is essential, particularly for outdoor installations. However, this task becomes increasingly complex when detailed information about the ambient temperature or specific environmental conditions is unavailable. The Importance of

The Ongoing Debate in Electrical Design: Depicting Pins in Schematics

In electrical design, especially with components like Variable Frequency Drives (VFDs), there’s an ongoing debate about the best way to depict pins in schematics. This debate revolves around two main approaches: showing all pins versus showing only the relevant pins. Two Common Approaches Balancing Clarity and Scalability Finding a balance between clarity and scalability is