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King Permanent Lighting GFCI Outlet Adapter
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$20.99
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Built for installers. Used on real jobs.
This is the gear working contractors run on real rooflines. C9 and C7 LED bulbs, socket wire, clips, plugs, and complete pro light kits at contractor wholesale pricing. Most orders ship same day if placed before 2 PM ET. Free shipping over $349.
The 4-sentence answer
King GFCI Outlet Adapter is a GFCI outlet adapter that retrofits a standard 120V outlet to GFCI protection for the King Permanent PSU supply. Use when the existing outlet isn't GFCI-protected. The adapter provides the GFCI function inline between outlet and PSU plug. Compatible with Any King Permanent Lighting Power Supply (24V or 36V). Use only with the King Permanent Lighting ecosystem — proprietary connectors and controller communication mean cross-brand mixing is not supported.
Why the King GFCI Outlet Adapter earns its place on the install
Safety isn't optional. The King Permanent Lighting GFCI Outlet Adapter is a required component for every controller box and external power supply in your installation — providing ground fault protection that keeps your system running safely and in compliance with electrical code standards.
If you're installing King Permanent Lighting, this adapter is not a suggestion. It's a necessity.
- Ground Fault Protection – Detects dangerous current imbalances and cuts power instantly to prevent damage or injury
- Reduces Shock Risk – Critical for any low-voltage system operating in exterior or wet environments
- Code-Compliant Operation – Supports proper, inspection-ready installation practices
- Peace of Mind – For you, your crew, and your customer
⚠️ All King Permanent Lighting installations must use a GFCI-protected outlet. Installations without GFCI protection are unsafe, non-compliant, and may void warranty coverage.
| Spec | Detail |
|---|---|
| Function | Ground fault circuit interruption |
| Required For | All controllers & external power supplies |
| Application | Outdoor / exterior low-voltage systems |
| Compatibility | All King Permanent Lighting Systems |
Verified specifications
Every value below is pulled from the printed bag label / spec sheet. No marketing inflation.
| Function | In-line GFCI retrofit for non-GFCI outlets |
|---|---|
| Voltage | 120V AC |
| Amperage rating | 15 A |
| Reset | Press-to-reset button |
| Compatibility | King 24V and 36V PSUs |
Where this part fits in the system
Retrofit on older homes without GFCI outlets
Older residential properties may not have GFCI outlets at the install location. The adapter provides the GFCI function without requiring a panel upgrade.
Temporary install pre-electrician retrofit
When a King Permanent install is going in but the electrician's GFCI outlet upgrade is scheduled for later, the adapter covers the gap.
Code compliance for outdoor PSU installs
Outdoor PSU installs require GFCI protection per code. The adapter ensures compliance regardless of the outlet's native GFCI status.
What this part works with
- Voltage system
- Any King Permanent Lighting Power Supply (24V or 36V)
- Controller
- King Permanent Lighting controller (24V or 36V matching variant)
- Mounting
- Inside the King Permanent rated outdoor enclosure box for code-compliant install. Power supply units must be enclosure-mounted.
- Will NOT work with
- Non-King-Permanent LED strings, controllers, or accessories. The system uses proprietary connectors and controller protocol — cross-brand mixing is not supported.
King GFCI Outlet Adapter vs the King 24V 300W PSU baseline
| Spec | King GFCI Outlet Adapter | King 24V 300W PSU (baseline) |
|---|---|---|
| Voltage | Any King Permanent Lighting Power Supply (24V or 36V) | 24V DC |
| Function | a GFCI outlet adapter that retrofits a s | Outdoor 24V 300W power supply |
| Best for | Use when the existing outlet isn't GFCI-protected | Primary 24V system power |
How to install King GFCI Outlet Adapter
- Plan the system layout. King Permanent Lighting installs follow a layout-first pattern. Sketch the eave line, PSU location, controller location, and accessory placement before any wire pulls.
- Mount in the rated enclosure. PSU and controller units mount inside the King Permanent outdoor enclosure box for code-compliant install. GFCI outlet required for the supply.
- Route low-voltage wire through protective loom. Use the King Permanent protective loom along the run. Bury or tuck behind soffit where the wire isn't architecturally visible.
- Connect with King proprietary connectors. Don't splice with generic wire nuts. Use the King 3-wire connectors at every junction.
- Commission via the King controller app. Pair the controller via Bluetooth + Wi-Fi. Run a full color cycle to confirm every LED is firing before final mount.
Build quality + materials
- Outdoor-rated construction — designed for year-round outdoor exposure when mounted in the rated King Permanent enclosure box.
- Proprietary connector system — gas-tight connections that survive freeze-thaw and humidity exposure for the life of the install.
- Multi-year permanent install rated — unlike seasonal Christmas lighting, the King Permanent system is designed to stay on the eave year-round.
Warranty
1-year manufacturer warranty on King Permanent Lighting components from Christmas Lights HQ. Not covered: install outside the rated King Permanent enclosure box, cross-brand mixing with non-King components, damage from over-voltage or over-current beyond the rated spec, animal damage.
Questions contractors actually ask
Required For All King Permanent Lighting controller installations Any additional external power supplies added to the system All outdoor and exterior electrical connections Why It Matters
Running a permanent lighting system outdoors without GFCI protection is both a safety risk and a code violation in most jurisdictions. The GFCI Outlet Adapter eliminates that risk by providing an essential layer of ground fault protection at every power connection point.
Customer reviews
Build the complete King Permanent install
Orders placed before 2 PM ET ship the same day. Free shipping on orders over $349. Most orders arrive in 2-5 business days via UPS or FedEx Ground.