4" Square Pole External-Fit Twin Tenon Adapter for 2-3/8" Slip Fitter LED Parking Lot Lights

This heavy-duty 4-inch square pole external-fit twin tenon adapter mounts over the top of a compatible 4" square light pole and provides two opposing horizontal fixture mounting positions in a 180-degree configuration.

Designed for commercial and industrial outdoor lighting applications, this double tenon adapter for 4" square poles allows two compatible slip fitter LED fixtures to be mounted from a single pole top. The opposing 180° configuration is ideal for directing two LED parking lot lights, shoebox area lights, flood lights, or other compatible outdoor fixtures in opposite directions.

Unlike an internal-fit adapter that inserts inside the pole opening, this model features an external-fit / over-the-pole design that installs over the outside of the 4" square pole top.

Constructed from heavy-duty galvanized steel with a dark bronze finish for strength, durability, and reliable outdoor performance.

Ideal for parking lots, roadways, drive lanes, commercial properties, car dealerships, warehouse yards, industrial facilities, campuses, and other outdoor area lighting projects requiring two fixtures mounted in opposite directions.

Key Features：

External-Fit Design for 4" Square Poles
Designed to fit externally over the top of a compatible 4" x 4" square light pole, providing a secure commercial lighting mounting solution.

Twin Horizontal Tenon Design
Provides two horizontal fixture mounting positions from one square pole top for installing two compatible outdoor LED fixtures.

180° Opposing Configuration
The two mounting arms extend in opposite directions at 180°, ideal for illuminating two sides of a parking lot, roadway, driveway, or commercial outdoor area.

Designed for 2-3/8" Slip Fitter Mount LED Parking Lot Lights
Provides two opposing fixture mounting positions for compatible LED parking lot lights equipped with standard 2-3/8" slip fitter mounts.

Heavy-Duty Galvanized Steel
Durable galvanized steel construction provides strength and dependable performance for commercial outdoor lighting installations.

Dark Bronze Finish
Dark bronze finish coordinates with common commercial light poles and outdoor LED lighting fixtures.

Two-Light Pole Top Mounting Solution
Converts one 4" square pole top into two opposing fixture positions, reducing the need for separate poles when two-direction lighting is required.

Product Specifications：

Applications：

This external-fit twin tenon adapter is designed for installing two 2-3/8" slip fitter mount LED parking lot lights on a compatible 4" square light pole. The 180° opposing configuration allows two parking lot fixtures to face opposite directions from a single pole, making it ideal for parking lots, drive lanes, car dealerships, shopping centers, warehouse yards, commercial properties, industrial facilities, campuses, and other large outdoor areas.

FAQ：

What is a twin 180° tenon adapter?
A twin 180° tenon adapter provides two opposing fixture mounting positions from a single pole top, allowing two compatible LED fixtures to be installed facing opposite directions.

What size light pole does this adapter fit?
This model is designed for a compatible 4" square light pole.

Is this an internal-fit or external-fit adapter?
This model uses an external-fit / over-the-pole design. It mounts over the outside of the 4" square pole top rather than inserting inside the pole opening.

How many LED lights can be installed on this adapter?
The twin-tenon design provides two fixture mounting positions for up to two compatible LED fixtures.

What does the 180° configuration mean?
The two horizontal mounting positions extend in opposite directions, creating a 180° arrangement. This is useful when two fixtures need to illuminate opposite sides of a parking lot, roadway, driveway, or commercial area.

What types of LED lights are compatible?
It is designed for compatible LED shoebox lights, parking lot lights, flood lights, and other outdoor fixtures using 2-3/8" slip fitter mounts.

What is the difference between this adapter and the single vertical 4" square pole tenon adapter?
The single vertical model provides one vertical fixture mounting position. This twin 180° model provides two horizontal fixture positions facing opposite directions, allowing two compatible LED lights to be installed on one 4" square pole.

What material is the adapter made from?
The adapter is constructed from heavy-duty galvanized steel with a dark bronze finish.

Are the LED fixtures included?
No. This product is the mounting adapter only. LED fixtures and the light pole are sold separately unless otherwise specified.