Professional technical library
Glowfy Knowledge Centre
In-depth technical guides written for UK sign makers, shopfitters and commercial LED installers. Every article is grounded in real installation experience — covering specification, wiring, troubleshooting and best practice across all professional LED applications.
5 articles published6 categoriesWritten by engineers
Showing 2 articles in Power Supplies
Power Supplies 9 minFull article
How to Calculate the Correct Power Supply Size for LED Signs
Step-by-step method to calculate total LED wattage, apply the 20% headroom rule, and select the right constant voltage power supply for channel letters and LED sign projects.
Power supplyWattageCalculation
Read article Power Supplies 5 minComing soon
Working with 24V vs 12V LED Systems: When to Use Which
Comparing 12V and 24V LED systems for different applications, run lengths and efficiency requirements.
12V24VSystem design
Article in preparationCan't find what you need?
Our technical team is available Monday–Friday, 8:30am–5:30pm. Call, email or use our contact form.