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.
Showing 10 articles in Power Supplies
Glowfy XLG IP67 Power Supplies: 75W to 320W Selection Guide
Compare five XLG models, choose the right voltage and calculate sign load, current and cable distribution.
XLG 12V vs 24V LED Power Supplies: Which Voltage for Your Sign?
Match XLG voltage variants to LED modules and strips, with practical current and voltage-drop examples.
Glowfy FSK Rainproof LED Power Supplies: 60W to 400W Selection Guide
Compare all five FSK 12V IP45 models and plan load, current, cable distribution, mounting and commissioning.
IP45 Rainproof vs IP67 Waterproof LED Power Supplies for Outdoor Signs
Understand enclosure ratings and assess real rain exposure, joints, ventilation and placement in UK signs.
LED Power Supply Installation Checklist for Sign Makers
Specify, position, wire and commission 12V or 24V sign power supplies with a practical installation checklist.
Constant Voltage vs Constant Current LED Drivers: A Sign Maker’s Guide
Understand CV and CC drivers and avoid mismatching power supplies with sign modules and LED strips.
How Many LED Strips Can One Power Supply Run?
Calculate the number of LED strip reels per power supply using watts per metre and current.
Which IP Rating Does an LED Driver Need for an Outdoor Sign?
Select an LED driver enclosure for dry, sheltered and directly exposed installations.
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.
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.
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