Guides
Notes on standards, glare and payback.
Why uniformity decides a pitch, and how to work out whether a high bay retrofit pays for itself. Written from standards and arithmetic, not from a brochure.
Guide indexOUTDOOR LIGHTING SUPPLY
2Guides published
3Standards referenced
1Formula
0Gated downloads
2026-10-22Stadium lighting: why uniformity matters more than lumens
Why the uniformity ratio decides whether a pitch is usable, how glare depends on direction, and what a broadcast grade surface needs.
3 min read2026-10-22High bay retrofit: how to calculate the payback before you quoteThe payback formula for a high bay retrofit, the five inputs it needs, and why a saving quoted without a baseline is a guess.
3 min readStuck on one number?
Send the space and the requirement, and the answer comes back with the reasoning shown.