1. Introduction
This manual provides essential instructions for the safe installation, operation, and maintenance of your Dabmar Lighting GM870-VG Post Top Fixture. Please read this manual thoroughly before installation and retain it for future reference.
1.1. Safety Information
- WARNING: Risk of electric shock. Disconnect power at the fuse or circuit breaker before installation or servicing.
- Installation must be performed by a qualified electrician in accordance with all local electrical codes and ordinances.
- Ensure the supply voltage is correct (120V) before connecting the fixture.
- Do not install near combustible materials.
- Wear safety glasses and gloves during installation.
2. Setup and Installation
2.1. Unpacking
Carefully remove all components from the packaging. Inspect the fixture for any damage. Do not install if any parts are damaged.
2.2. Components
- GM870-VG Post Top Fixture (Powder coated Cast aluminum housing)
- Clear, crackled, heat resistant, tempered glass shade
- Pre-wired UL listed wire/cable
- Mounting hardware (may vary based on specific post type, not explicitly listed but implied for installation)
2.3. Mounting Instructions
This fixture is designed for post-top mounting. Ensure the post is securely anchored and capable of supporting the fixture's weight (approximately 15 lbs).
- Turn off power at the circuit breaker before beginning installation.
- Route the fixture's electrical wires through the top of the post.
- Secure the fixture to the post using appropriate mounting hardware (not supplied with fixture, typically provided with the post or purchased separately). Ensure a tight and stable connection.
2.4. Wiring Instructions
Connect the fixture's wires to the supply wires according to local electrical codes.
- Connect the black fixture wire to the hot (black) supply wire.
- Connect the white fixture wire to the neutral (white) supply wire.
- Connect the green or bare copper fixture wire to the ground (green or bare copper) supply wire.
Ensure all wire connections are secure using UL-listed wire connectors.
2.5. Lamp Installation
This fixture uses a 70W High-Pressure Sodium (HPS) lamp (lamp not included).
- Carefully unpackage the HPS lamp. Avoid touching the glass with bare hands.
- Screw the lamp firmly into the socket until it is snug. Do not overtighten.
- Ensure the glass shade is properly seated and secured to the fixture housing.

Image: Dabmar Lighting GM870-VG Post Top Fixture. This image displays the fixture's verde green finish and the clear, crackled glass shade, highlighting its robust cast aluminum construction.
3. Operating Instructions
Once installation is complete and all connections are secure, restore power at the circuit breaker.
- The fixture will illuminate when power is supplied. HPS lamps may take a few minutes to reach full brightness.
- If the fixture is connected to a switch or photocell (not included), operate it according to the instructions for that device.
- Note: The product specifications mention 'App' as a control method. If your specific model includes smart control features, refer to the separate instructions provided with the smart control module for pairing and operation. This fixture, by default, operates via standard electrical switching.
4. Maintenance
Regular maintenance ensures optimal performance and longevity of your fixture.
4.1. Cleaning
- WARNING: Disconnect power before cleaning.
- Clean the exterior of the fixture and glass shade with a soft, damp cloth. Do not use abrasive cleaners or solvents, as they may damage the finish or glass.
- Periodically remove any debris or insects that may accumulate inside the fixture.
4.2. Lamp Replacement
HPS lamps have a long lifespan but will eventually require replacement.
- WARNING: Disconnect power and allow the fixture and lamp to cool completely before attempting replacement.
- Carefully remove the glass shade.
- Unscrew the old HPS lamp from the socket.
- Install a new 70W HPS lamp, following the instructions in Section 2.5.
- Reattach the glass shade securely.
4.3. Inspection
Periodically inspect the fixture for any signs of wear, damage, or loose connections. Address any issues promptly to prevent hazards.
5. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Fixture does not light up. | No power supply. | Check circuit breaker or fuse. Ensure switch is ON. |
| Loose or incorrect wiring. | Disconnect power and check all wire connections. Re-secure if necessary. | |
| Defective lamp. | Replace the HPS lamp. | |
| Light is dim or flickers. | Lamp nearing end of life. | Replace the HPS lamp. |
| Incorrect voltage. | Verify supply voltage is 120V. | |
| Glass shade is loose or damaged. | Improper installation or impact. | Secure the shade. If damaged, contact customer support for replacement parts. |
6. Specifications
| Feature | Detail |
|---|---|
| Model Number | GM870-VG |
| Brand | Dabmar Lighting |
| Light Source | 70W High-Pressure Sodium (HPS) (lamp not included) |
| Voltage | 120 Volts |
| Wattage | 70 watts |
| Material | Cast Aluminum (Fixture), Tempered Glass (Shade) |
| Finish | Powder Coated, Verde Green |
| Mounting Type | Post Top (also listed as Ceiling Mount, Wall Mount in some specifications) |
| Special Features | Energy Efficient, Durable Construction, UL Listed Wiring |
| Item Weight | Approximately 15 Pounds |
| Control Method | App (if smart control module is installed, otherwise standard switching) |
7. Warranty Information
Dabmar Lighting products are manufactured to high-quality standards and are backed by a manufacturer's warranty. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official Dabmar Lighting website.
Please retain your proof of purchase for warranty claims.
8. Customer Support
If you have any questions regarding the installation, operation, or maintenance of your Dabmar Lighting GM870-VG Post Top Fixture, please contact Dabmar Lighting customer support.
Dabmar Lighting, Inc.
Contact information (e.g., phone number, email, website) can typically be found on the product packaging or the official Dabmar Lighting website.
Website: www.dabmar.com (Example link, verify actual manufacturer website)