How to Safely Run Extension Cords Through Windows for Outdoor Lighting

Introduction

Running extension cords outdoors to power lighting can be tricky. There are safety concerns to consider when routing cords through windows that we need to be mindful of. In this article, I will discuss the best practices for safely running extension cords through windows for outdoor lighting.

Reasons to Run Cords Through Windows

There are a few key reasons why you may need to run extension cords through windows:

• Access electricity outside - By running a cord through a window, you can access an indoor electrical outlet to power outdoor lighting fixtures. This avoids the need to install new outdoor outlets.

• Avoid tripping hazards - Running a cord through a window keeps it off the ground outside. This prevents tripping hazards from loose cords.

• Temporary lighting solutions - Routing a cord through a window can provide a temporary lighting solution. This avoids permanent installation for short-term outdoor lighting needs.

• Lighting for events - For outdoor evening events, running cords through windows provides easy access to lighting. The cords can be removed afterward.

Safety Considerations

Whenever routing electrical cords through windows, there are some important safety issues to consider:

Fire Hazards

• Cords can overheat if overloaded. Use thick grounded extension cords rated for outdoor use.

• Do not run cords under rugs where heat cannot dissipate.

• Do not coil excess cord as this can lead to overheating.

Water Exposure

• Outdoor cords must be weather and water resistant. Outdoor-rated "STW" cords are designed for wet areas.

• Use drip loops when running cord through windows to avoid water running down the cord into the outlet.

Damaging Windows or Cords

• Avoid routing cords through windows that close tightly. This can damage the cord's insulation.

• Use grommets or other protection where the cord passes through the window frame to avoid cutting the cord insulation.

• Do not let windows close down directly on cords. Use stops or blocks to prevent window damage.

Tripping and Entanglement Hazards

• Secure cords firmly in place so they do not move. Use heavy-duty staples, tape, or cord channels.

• Do not run cords across walking areas. Use overhead solutions or route cords out of the way.

• Hide and cover cords as much as possible to prevent tripping hazards.

Safe Installation Method

Follow these steps to safely run extension cords through windows for outdoor lighting:

1. Examine the Window

• Inspect the window frame and surrounding areas thoroughly. Look for any hazards or obstructions.

• Ensure the window can open enough to accommodate the cord. Check for stops or tight seals that could damage the cord.

• Note where you will route the cord once outside. Avoid walking areas.

2. Select a Heavy-Duty Grounded Cord

• Choose an outdoor-rated SJTW or SJEW cord with sufficient length.

• Use a heavy 12 or 14 gauge cord to handle lighting load.

• Ensure the cord has a ground pin for safety.

3. Protect the Cord Entry Point

• At the window frame where the cord exits, install a protective grommet or plastic bushing.

• This prevents the cord's insulation from being cut or damaged by the window frame.

4. Install Drip Loop Outside

• When routing the cord outside, create a drip loop.

• This is a downward loop that prevents water from running down the cord into the outlet.

5. Secure the Cord Properly

• Use staples, cable clamps, or clips to firmly secure the cord in place once outside.

• Avoid loose cords that could move or pose tripping hazards.

• For overhead runs, use hooks to lift the cord off the ground.

6. Check GFCI Protection

• Use a GFCI outlet or extension cord to protect against electric shocks for outdoor use.

• Test the GFCI outlet before first use by pressing the "Test" and then "Reset" buttons.

7. Avoid Overloads and Hazards

• Do not exceed safe load limits for the cord gauge and outlet amperage.

• Keep lighting away from flammable surfaces and sprinkler systems.

• Coil excess cord safely out of the way without kinking it.

Conclusion

Running extension cords through windows for outdoor lighting requires careful planning and safety practices. Select a heavy-duty outdoor cord, protect the entry point, use drip loops and GFCI protection, and secure cords properly. With safe installation, routing extension cords through windows can provide convenient access to outdoor electricity. Just be sure to put safety first when running electrical cords through windows of any kind.