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LED Pool Light Replacement: Cost, Compatibility & Step-by-Step DIY Guide (2026)

If you are researching LED pool light replacement, the decision tree is more nuanced than swapping a household bulb. Three replacement tiers define a cost spectrum from $30 to over $1,700 per light, and the right choice depends on your…
LED vs Metal Halide: Wattage Equivalents, ROI & Lumens (2026)

When you compare LED vs metal halide lighting for an industrial warehouse illumination project, parking lot, or municipal street project, three numbers decide everything: the LED wattage equivalent for your existing metal halide bulbs, the lumen depreciation curve over the…
What Is Facade Lighting? The Engineer’s Guide to Building Exterior Illumination

Facades are the engineered installation of a building’s exterior surfaces- the tactical placement, aiming, and adjustment of luminaires so various architectural elements are evident at night. Facade lighting is NOT landscape lighting that references the ground plane or security lighting…
IP Rating Guide: IP65 to IP69K Decoder + Chart [2026]
![IP Rating Guide: IP65 to IP69K Decoder + Chart [2026]](https://gqlamp.com/wp-content/uploads/2026/05/0-1-768x512.png)
An Ingress Protection guide for lighting begins with one frustrating fact: the two digit code printed on a lμminaire spec sheet seems logical but conceals three different tests, two opposing standards bodies, and no fewer than six durability elements the…
How to Buy LED High Bay Lights: A Buyer’s Guide for Warehouses, Factories, and Industrial Spaces

Buying the wrong LED high bay light costs you twice – on the energy bill that never gets as low as the spec sheet said it would, and twice again on the change order when forklift drivers bemoan the glare…
Pool & Water Lighting Ideas: The Complete 2026 Design Guide

Light up pool & water turns any daylight use of your swimming pool or pond, fountain, waterfall or other water feature into a ²4/7 design feature. In this guide we include all si× categories of water lighting fi×tures – LED…
Industrial Lighting Guide: Standards, Design & Selection [2026]
![Industrial Lighting Guide: Standards, Design & Selection [2026]](https://gqlamp.com/wp-content/uploads/2026/04/0-1-768x512.png)
Industrial lighting sits where building codes, task safety, and operating cost intersect — and specifying it well is part standards literacy, part photometric design, part budget sequencing across a 5- to 10-year horizon. This guide walks through what the term…
Facade Linear Light: Complete Design & Specification Guide (2026)

Reviewed by the Guangqi engineering team — 10+ years of outdoor LED fixture manufacturing, CE / RoHS / IP66 certified production since 2010. Quick Specs — Typical Facade Linear Light Parameters Luminous efficacy 100–140 lm/W Beam angle options 10° (grazing)…



![IP Rating Guide: IP65 to IP69K Decoder + Chart [2026]](https://gqlamp.com/wp-content/uploads/2026/05/0-1-150x150.png)

