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Aurora Post Cap and Post Light Base Adapter
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Quick Overview
Colors Available: White, Metallic Copper, Natural Brown, Forest Green, Clay, Tan, Gray, Cedar, Redwood, Titanium, Bronze and Black

Items other than Aurora Deck Lighting products placed with the order may be subject to shipping charges.
Product Description
Field assembly is required to remove existing light base or post cap top via four phillips screws. Estimate 1-2 minutes per base. Click here to view online installation instructions.
How do Aurora post caps and base adapters work?
To fit a standard size post cap or post cap light onto a unique size post, you simply switch out the original base on the Aurora post cap for an Aurora base adapter. The base adapter should be slightly larger than the post size.
Determining the post cap size needed:
Always measure the actual post that you’re working with. Most standard 4 x 4 deck posts actually measure 3-1/2” x 3-1/2”. As a result, any post caps or post cap lights installed on standard wood deck posts should have a base opening of 3-5/8”. The newer composites add a level of complexity as some 4 x 4 composite posts range from 3-1/2” to 4-1/2”.
Determining if a base adapter is needed:
Once a post size is determined, look on DecksDirect.com to see if the desired light or post cap is available in the size needed. If the light or post cap size you need is listed on the product page, only that product needs to be ordered. If the post cap is not available in the size needed, a post cap adapter may be added to the post cap to convert a post cap to a different size.
Choosing a base adapter size:
The base adapter you choose should be slightly larger than your post. by 1/8” to 1/4”. This allows the cap to slide over the post during installation, and for the post material to expand and contract with temperature changes.
Choosing a post cap size:
Once a base adapter size is determined, use the information below to choose a post cap size.
• Base adapter sizes 3", 3-5/8", 4-1/16", 4-3/8, 4-5/8" or 5-1/16" - post cap size needed is 3-5/8”.
• Base adapter size 6-1⁄16”” - post cap size needed is 5-9⁄16”.
Lighting Guide
DecksDirect.com created this Lighting Guide to empower you with the basics of lighting options, deck light planning and deck light installation.• Go to on-line lighting guide
• Download Lighting Guide .pdf
Additional Information
| Manufacturer | Aurora Deck Lighting |
| Documentation |
Installation Instructions (736 KB) Manufacturer Documentation (979 KB) |
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