1. Product Overview
The SIGMA ENGINEERED SOLUTIONS 14433M is a metal weatherproof outdoor electrical outlet cover designed to protect electrical receptacles in outdoor environments. This extra-duty rated cover ensures the safety and functionality of in-use plugs and outlet boxes against weather elements.
It is suitable for various devices including GFCI, duplex, switch, and round receptacles, offering multiple configuration options for adaptability.
Figure 1: Front view of the 14433M Weatherproof Cover.
2. Safety Information
- WARNING: Always disconnect power at the circuit breaker or fuse box before installing or servicing electrical devices. Failure to do so may result in serious injury or death.
- Installation should be performed by a qualified electrician or in accordance with local electrical codes.
- Ensure all connections are secure and properly insulated.
- This product is designed for outdoor use and is NEMA 3R Rated, meeting NEC's "Extra Duty" requirement.
- Do not modify the product. Use only as intended.
3. Package Contents
Verify that all components are present before beginning installation:
- 1x SIGMA ENGINEERED SOLUTIONS 14433M Metal Weatherproof Outdoor Electrical Outlet Cover (Gray)
- Pre-Installed Gasket
- Adapter Plates (for various receptacle types)
- Mounting Hardware
Figure 2: Included components with the 14433M cover.
4. Installation Instructions
- Turn Off Power: Locate the circuit breaker or fuse controlling the outdoor outlet and turn off the power. Verify power is off using a voltage tester.
- Remove Existing Cover (if applicable): Carefully remove any existing outlet cover and gasket from the electrical box.
- Prepare Receptacle: Ensure the electrical box and receptacle are clean and free of debris. If installing a new receptacle, connect wiring according to local codes.
- Select Adapter Plate: Choose the appropriate adapter plate from the included hardware that matches your specific receptacle type (GFCI, duplex, switch, or round device).
- Mount Adapter Plate and Receptacle: Secure the chosen adapter plate over the electrical box. Then, mount your receptacle to the electrical box using the provided screws, ensuring it is flush and secure.
- Install Gasket: The cover comes with a pre-installed gasket. Ensure it is properly seated around the edges of the cover for a watertight seal.
- Attach Cover: Align the weatherproof cover over the receptacle and adapter plate. Secure the cover to the electrical box using the provided mounting screws. Do not overtighten.
- Verify Seal: Ensure the cover is flush against the mounting surface and the gasket creates a complete seal to prevent water intrusion.
- Restore Power: Once installation is complete and verified, restore power at the circuit breaker.
Figure 3: Exploded view of cover installation components.
5. Operating Instructions
The SIGMA ENGINEERED SOLUTIONS 14433M cover is designed for "in-use" protection, meaning it can protect plugs and cords while they are connected to the outlet.
- Connecting a Device: Open the cover. Plug your electrical device into the receptacle.
- Closing the Cover: Route the cord through the designated opening at the bottom of the cover. Close the cover securely over the plug and cord. Ensure the cover latches properly to maintain weatherproof integrity.
- Locking Feature: The cover includes a locking tab at the bottom. For added security, a padlock (not included) can be used to secure the cover, preventing unauthorized access or accidental unplugging.
Figure 4: Cover in "in-use" position with cord routed.
6. Maintenance
- Regular Inspection: Periodically inspect the cover for any signs of damage, cracks, or wear, especially the gasket. Replace if damage is observed to maintain weatherproof protection.
- Cleaning: Clean the cover with a damp cloth and mild soap. Avoid abrasive cleaners or solvents that could damage the finish or material.
- Gasket Integrity: Ensure the gasket remains flexible and free of debris. A compromised gasket can lead to water intrusion.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Water inside cover | Improperly sealed gasket or damaged cover. | Ensure gasket is properly seated. Check for cracks or damage to the cover. Replace if necessary. |
| Cover does not close securely | Obstruction, misaligned installation, or damaged latch. | Check for debris. Re-align the cover during installation. Inspect latch for damage. |
| Difficulty fitting plug/cord | Incorrect adapter plate or oversized plug/cord. | Ensure the correct adapter plate is used. Verify plug/cord dimensions are compatible with the cover's design. |
8. Specifications
- Model: 14433M
- Brand: Sigma Engineered Solutions
- Material: Die Cast Metal
- Color: Gray
- Configuration: 2-Gang (Double)
- Dimensions (W x H): 5.55" x 6.02"
- Installation Type: Screw-In
- Certifications: cULus Listed, NEMA 3R Rated, Meets NEC "Extra Duty" Requirement
- Item Weight: Approximately 0.85 lbs (13.6 ounces)
Figure 5: Product dimensions.
9. Warranty and Support
This product comes with a manufacturer's warranty. For specific warranty details, please refer to the documentation included with your purchase or contact Sigma Engineered Solutions directly.
For technical support, replacement parts, or further assistance, please visit the official Sigma Engineered Solutions website or contact their customer service department.
Manufacturer: Sigma Electric
Brand: Sigma Engineered Solutions

