Technical Guides

October 20, 2026

18 AWG vs 20 AWG Wire for Permanent Outdoor Lighting

Compare 18 AWG and 20 AWG wire for professional permanent outdoor lighting, including current targets, voltage drop, run length, connectors, and Wet Location cable requirements.

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October 20, 2026

How Many Permanent Outdoor Lights Can Run on One Power Supply?

Learn how professional installers should calculate permanent outdoor light capacity using fixture power, branch current, output limits, voltage drop, cable, connectors, and controller arc...

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October 20, 2026

24V vs 36V Permanent Outdoor Lights: Which Voltage Is Better?

A professional installer comparison of 24V and 36V permanent outdoor lighting, covering current, voltage drop, long-run performance, Wet Location strategy, and G&D Smart system positi...

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October 17, 2026

Wet vs. Damp vs. Dry Locations: UL 2108 Guide for Permanent Outdoor Eave Lights

How to classify Wet, Damp and Dry locations for permanent outdoor eave lights—and how UL 2108, 12V/24V/36V/48V systems, SPT-2W, SJTW and UL 2468 cable affect installation and certification.

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October 17, 2026

12V, 24V or 36V Permanent Roofline Lighting? C5204 Test Results for Installers

Explore C5204 36V RGBW test results for 50–250 lights, with voltage-drop charts and practical guidance on choosing 12V, 24V or 36V systems.

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October 04, 2026

Class 2 Architecture for Permanent Outdoor Lighting Systems

A practical guide to Class 2 permanent lighting architecture, branch limits, control boxes, wiring documentation and why total wattage alone is not enough.

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October 04, 2026

Wet vs Damp Location for Permanent Roofline Lighting

Understand why soffit installation, IP ratings and wet/damp location certification are separate questions in permanent roofline lighting.

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October 04, 2026

RGBW vs RGBCW for Permanent Roofline Lighting

Compare RGBW and RGBCW permanent roofline lighting for white quality, channel count, controller compatibility and installer standardization.

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October 04, 2026

350W vs 600W Permanent Lighting Control Box: How to Choose

Understand when to use a 350W or 600W permanent lighting control box and why total capacity does not define individual branch limits or Class 2 status.

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October 04, 2026

How to Plan a 300ft or 400ft Permanent Roofline Lighting System

A practical installer workflow for planning 300ft and 400ft permanent roofline systems, including branches, voltage drop, signal support and power injection.

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October 04, 2026

12V vs 24V Permanent Outdoor Lighting Systems

How to choose between 12V and 24V permanent roofline lighting based on run length, current, voltage drop, branches and installer workflow.

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