Deck Accessories
Lighting
Trex
$20-$50/lightDeck Post Lights for Ambient Outdoor Illumination
Deck post lights integrate LED illumination into railing posts creating warm ambient lighting for outdoor living spaces. Low-voltage systems operate safely and efficiently using a transformer and plug-and-play connectors for easy DIY installation without an electrician.
Key Features
- Low-voltage LED operation
- Warm ambient light output
- Plug-and-play connectors
- Energy efficient
- Long-lasting LED bulbs
- Timer and dimmer compatible
Specifications
Voltage: 12V low-voltage | LED: warm white 2700-3000K | Wattage: 1-3W per light | Connection: plug-and-play | Transformer: required sold separately | Lifespan: 25000+ hrs
Best For
Deck railings outdoor entertaining areas pathway illumination and any deck where ambient evening lighting enhances the outdoor living experience.
Compatible Materials
Composite posts
Wood posts with sleeves
Aluminum railing posts
Pros & Cons
Pros
- ✓ Safe low-voltage operation
- ✓ Warm ambient atmosphere
- ✓ Energy efficient LED
- ✓ Easy plug-and-play install
- ✓ Timer compatible
Cons
- ✗ Requires transformer purchase
- ✗ Wiring must be concealed
- ✗ Limited brightness for task lighting
- ✗ Must plan during construction
- ✗ Additional cost per post
Installation Tips
Plan wiring runs before installing posts and decking. Run low-voltage wire through post centers and under decking. Use waterproof wire connectors at all junctions. Install transformer in protected location near GFCI outlet. Use a timer for automatic on/off scheduling.
Frequently Asked Questions
No low-voltage 12V systems can be DIY installed. Only the transformer plugs into a standard GFCI outlet.
Depends on wattage. A 60W transformer handles approximately 20 three-watt post lights.
Yes but running wire is easier during construction. Retrofit requires routing wire under decking.