Inline GFCI Plug 15 Amp with Auto Reset
4.8Editor score
Auto-reset power restoration
ETL-listed safety standard
Impact-resistant rugged case
In this guide
Inline GFCI replacement plugs provide essential safety for tools and equipment used in wet or hazardous environments. They instantly cut power when a ground fault is detected, preventing severe electric shocks and ensuring user protection.
We compared ten top-rated models based on safety certifications, durability, auto-monitoring features, and ease of installation. Each product was evaluated for its ability to protect power tools, pressure washers, and outdoor appliances effectively.
Each pick highlights key features, pros, and cons to help you choose the right plug for your needs. Note that prices and availability may change, so always check the current listing before purchasing.
Top 3 Picks for Best Inline GFCI Replacement Plug
DEWENWILS GFCI Replacement Plug Inline Assembly
4.7Editor score
Auto-monitoring safety checks
Weather-resistant PVC housing
Wide temperature operating range
ELEGRP G1215CM Patented Auto-Monitoring GFCI Replacement Plug Inline Assembly
4.6Editor score
Patented 5-second self-test
IP65 water proof rating
6kV surge protection
Top 10 Best Inline GFCI Replacement Plug in 2026 Compared
The following table provides a side-by-side comparison of the top 10 inline GFCI replacement plugs, highlighting their key specifications and features to help you make an informed decision.
ProductsSpecificationsEditor scorePrice
Best Budget
ELEGRP G1215CM Patented Auto-Monitoring GFCI Replacement Plug Inline Assembly
15 Amp 3-Prong
Auto-monitor every 5s
IP65 Water Resistant
6kV Surge Protection
4.6Editor score
Editor's Choice
GFCI Replacement Plug Assembly Auto Reset 15 Amp 3 Prongs
15 Amp Auto Reset
3-Prong Grounded
6kV Lightning Protection
3000+ Factory Tests
4.6Editor score
Editor's Choice
DEWENWILS GFCI Replacement Plug Inline Assembly
15 Amp Manual Reset
SJTW 14/3 Wiring
IP67 Rated Housing
UL Certified Safety
4.7Editor score
ELEGRP G1215PA G20PASR Patented Auto-Monitoring GFCI Replacement Plug Assembly
15 Amp Auto Reset
Auto-monitor every 5s
IP65 Water Proof
6kV Surge Protection
4.6Editor score
Kaper Auto-Reset GFCI Replacement Plug
15 Amp Auto Reset
Auto-monitor every 15m
UL 943 Certified
1800W Max Load
4.5Editor score
Replacement GFCI Plug 15Amp 3 Prong 120V
15 Amp 3 Prong
Auto Reset Function
UL Listed Safety
0.03s Trip Time
4.6Editor score
GFCI Plug Replacement Auto Reset 15 Amp 3 Prongs
15 Amp Auto Reset
3-Prong Design
6kV Surge Protection
5 Year Warranty
4.5Editor score
Kaper GFCI Plug Replacement
15 Amp Manual Reset
Auto-Monitor Every 15m
Class A Rainproof
ETL Approved Safety
4.4Editor score
GFCI Replacement Plug Assembly Auto Reset 15 Amp 3 Prongs
15 Amp Auto Reset
3-Prong Design
6kV Surge Protection
5 Year Warranty
4.6Editor score
Inline GFCI Plug 15 Amp with Auto Reset
15 Amp Auto Reset
125V Grounded
ETL Listed Safety
Rainproof Housing
4.8Editor score
1. DEWENWILS GFCI Replacement Plug Inline Assembly – Best Overall
DEWENWILS GFCI Replacement Plug Inline Assembly
15 Amp 120V
SJTW 14/3 Wiring
40°F to 140°F
UL Certified
The DEWENWILS GFCI Replacement Plug Inline Assembly offers excellent safety features with auto-monitoring and UL certification. Its robust construction and wide temperature range make it ideal for outdoor tools and appliances.
Pros
- Auto-monitoring safety feature
- Rugged PVC housing
- Wide temperature range
- Easy DIY installation
- UL certified reliability
Cons
- Manual reset required
- Slightly larger size
We may earn a commission when you buy through this link, at no additional cost to you.
This plug features a manual reset mechanism that ensures safety by requiring user confirmation after a trip. The SJTW 14/3 wiring is durable and designed to withstand harsh environments, ensuring long-lasting performance.
While the manual reset is a safety feature, it may be less convenient than auto-reset for unattended equipment. The size is slightly larger than some competitors, which may affect fit in tight spaces.
Ideal for homeowners and professionals using power tools, this plug provides reliable protection. Its combination of safety features and durability makes it a top choice for enhancing electrical safety.
Enhanced Safety Features
The auto-monitoring feature regularly checks the plug's functionality, ensuring it is ready to protect against ground faults.
Durable Construction
Built with heavy-duty industrial materials, this plug resists abrasion, moisture, and direct sunlight for reliable outdoor use.
We may earn a commission when you buy through this link, at no additional cost to you.
2. Inline GFCI Plug 15 Amp with Auto Reset – Best Budget
Inline GFCI Plug 15 Amp with Auto Reset
15 Amp Auto Reset
125V Grounded
ETL Listed Safety
Rainproof Housing
This inline GFCI plug offers a budget-friendly option with auto-reset functionality, making it convenient for various applications. Its ETL listing ensures basic safety standards are met for reliable ground fault protection.
Pros
- Auto-reset functionality
- Affordable price
- ETL listed safety
- Weather-resistant design
- Easy installation
Cons
- Limited certification details
- No auto-monitoring
We may earn a commission when you buy through this link, at no additional cost to you.
The auto-reset feature restores power automatically when safe, reducing downtime for tools and appliances. The durable, impact-resistant case is designed to withstand daily use in both indoor and outdoor environments.
While affordable, it lacks advanced features like auto-monitoring found in premium models. The ETL listing provides basic safety assurance, but users seeking more certifications may prefer other options.
Best for users prioritizing cost and convenience, this plug is ideal for workshops and outdoor equipment. Its reliability and ease of use make it a solid choice for basic safety needs.
Convenient Auto-Reset
The auto-reset function ensures continuous operation by restoring power automatically once the fault is cleared.
Weather-Resistant Design
Its rugged housing protects against rain and impact, making it suitable for outdoor tools and equipment.
We may earn a commission when you buy through this link, at no additional cost to you.
3. ELEGRP G1215CM Patented Auto-Monitoring GFCI Replacement Plug Inline Assembly – Best Premium
ELEGRP G1215CM Patented Auto-Monitoring GFCI Replacement Plug Inline Assembly
15 Amp 3-Prong
Auto-monitor every 5s
IP65 Water Resistant
6kV Surge Protection
The ELEGRP G1215CM features patented auto-monitoring technology that tests the plug every five seconds, exceeding standard safety requirements. Its IP65 water resistance and surge protection make it ideal for demanding environments.
Pros
- Patented auto-monitoring
- IP65 water proof
- 6kV surge protection
- Exceeds UL standards
- Compact design
Cons
- Manual reset required
- Higher price point
We may earn a commission when you buy through this link, at no additional cost to you.
This plug includes a manual reset for added safety, ensuring power is only restored after user confirmation. The compact design fits well in tight spaces while providing robust protection against electrical hazards.
While highly reliable, the manual reset may be less convenient for unattended equipment. The higher price reflects its advanced features, but budget-conscious users may prefer more affordable alternatives.
Perfect for professional and industrial applications, this plug offers top-tier safety and durability. Its combination of auto-monitoring and environmental resistance makes it a premium choice for serious users.
Patented Auto-Monitoring
The plug conducts a self-test every five seconds to ensure continuous protection against electrocution.
Superior Weather Resistance
With an IP65 rating, this plug withstands water spray and dust, making it suitable for outdoor use.
We may earn a commission when you buy through this link, at no additional cost to you.
4. GFCI Replacement Plug Assembly Auto Reset 15 Amp 3 Prongs – Reliable Safety
GFCI Replacement Plug Assembly Auto Reset 15 Amp 3 Prongs
15 Amp Auto Reset
3-Prong Grounded
6kV Lightning Protection
3000+ Factory Tests
This GFCI replacement plug provides essential safety with auto-reset functionality and surge protection. Its 5-year warranty and factory testing ensure reliable performance for various electrical equipment.
Pros
- Auto-reset functionality
- Surge and lightning protection
- 5-year warranty
- Easy installation
- Versatile applications
Cons
- No auto-monitoring
- Standard rating
We may earn a commission when you buy through this link, at no additional cost to you.
Designed for easy installation, this plug connects quickly to live, earth, and neutral wires. The heavy-duty materials ensure long-term performance, reducing the need for frequent replacements.
While it lacks advanced monitoring features, its core safety functions are reliable and effective. The auto-reset feature makes it convenient for continuous use, but manual reset may be safer for some applications.
Ideal for home and workplace use, this plug protects a wide range of equipment. Its combination of safety, durability, and warranty makes it a dependable choice for everyday needs.
Surge and Lightning Protection
The plug withstands up to 6kV surges, protecting connected devices from electrical damage.
Versatile Compatibility
Suitable for pressure washers, air conditioners, and more, offering broad protection for household equipment.
We may earn a commission when you buy through this link, at no additional cost to you.
5. ELEGRP G1215PA G20PASR Patented Auto-Monitoring GFCI Replacement Plug Assembly – Auto-Monitoring Excellence
ELEGRP G1215PA G20PASR Patented Auto-Monitoring GFCI Replacement Plug Assembly
15 Amp Auto Reset
Auto-monitor every 5s
IP65 Water Proof
6kV Surge Protection
This ELEGRP plug combines auto-monitoring with auto-reset for continuous safety and convenience. Its IP65 rating and surge protection make it ideal for wet environments like pool pumps and pressure washers.
Pros
- Auto-monitor every 5s
- Auto-reset convenience
- IP65 water proof
- UL listed
- Surge protection
Cons
- Similar to G1215CM
- Price point
We may earn a commission when you buy through this link, at no additional cost to you.
The patented auto-monitoring tests the plug every five seconds, ensuring it is always ready to protect. This exceeds standard safety requirements and provides peace of mind for unattended equipment.
While highly reliable, the auto-reset feature may not be suitable for all applications. Users needing manual confirmation may prefer a manual reset variant for added safety control.
Best for outdoor and wet environments, this plug offers robust protection. Its combination of monitoring, convenience, and durability makes it a strong choice for demanding applications.
Patented Auto-Monitoring
Self-tests every five seconds to ensure the GFCI is continually working to protect from electrocution.
Waterproof Design
IP65 rating exceeds UL standards, making it suitable for outdoor use where water exposure is common.
We may earn a commission when you buy through this link, at no additional cost to you.
6. Kaper Auto-Reset GFCI Replacement Plug – UL Certified Protection
Kaper Auto-Reset GFCI Replacement Plug
15 Amp Auto Reset
Auto-monitor every 15m
UL 943 Certified
1800W Max Load
The Kaper Auto-Reset GFCI Replacement Plug offers reliable protection with auto-monitoring and UL 943 certification. Its auto-reset feature is ideal for unattended equipment like pool pumps and generators.
Pros
- Auto-monitor every 15m
- UL 943 certified
- Auto-reset functionality
- Waterproof housing
- Temperature resistant
Cons
- 15-minute testing interval
- Auto-reset limitations
We may earn a commission when you buy through this link, at no additional cost to you.
Testing every 15 minutes ensures the plug is functional, though more frequent testing is available in other models. The waterproof housing and temperature range make it suitable for harsh outdoor conditions.
The auto-reset function restores power automatically, but users should verify safety before relying on it. For critical applications, manual reset may provide better control over power restoration.
Best for continuous operation needs, this plug is a solid choice for pools and hot tubs. Its certifications and environmental resistance ensure reliable performance in wet and demanding environments.
UL 943 Certified
Independently tested to UL 943 and CSA standards, ensuring top-tier reliability and protection.
Auto-Reset Functionality
Power restores by itself when the fault clears, ideal for unattended pumps and generators.
We may earn a commission when you buy through this link, at no additional cost to you.
7. Replacement GFCI Plug 15Amp 3 Prong 120V – Simple Safety
Replacement GFCI Plug 15Amp 3 Prong 120V
15 Amp 3 Prong
Auto Reset Function
UL Listed Safety
0.03s Trip Time
This simple GFCI plug offers essential protection with UL listing and auto-reset functionality. Its quick trip time ensures rapid response to electrical hazards, making it suitable for basic home and appliance use.
Pros
- UL listed safety
- Auto-reset functionality
- Easy installation
- 0.03s trip time
- Affordable option
Cons
- Basic features
- Limited specs provided
We may earn a commission when you buy through this link, at no additional cost to you.
The plug breaks the circuit automatically within 0.03 seconds when leakage occurs, preventing electric shock. Its design is straightforward, allowing for easy installation without professional help.
While basic, it lacks advanced features like auto-monitoring or environmental resistance. Users needing more robust protection may prefer models with additional certifications and weatherproofing.
Best for general household appliances, this plug provides reliable, basic protection. Its ease of use and certification make it a practical choice for everyday electrical safety needs.
Quick Trip Time
The plug breaks the circuit within 0.03 seconds to protect users and appliances from electric shock.
UL Listed
Safety certification ensures the plug meets established electrical safety standards.
We may earn a commission when you buy through this link, at no additional cost to you.
8. GFCI Plug Replacement Auto Reset 15 Amp 3 Prongs – Affordable Warranty
GFCI Plug Replacement Auto Reset 15 Amp 3 Prongs
15 Amp Auto Reset
3-Prong Design
6kV Surge Protection
5 Year Warranty
This affordable GFCI plug includes a 5-year warranty and auto-reset functionality for convenience. Its surge protection and durable construction provide basic safety for various tools and appliances.
Pros
- 5-year warranty
- Auto-reset functionality
- 6kV surge protection
- Affordable price
- Heavy-duty materials
Cons
- Basic features
- Limited certification details
We may earn a commission when you buy through this link, at no additional cost to you.
Designed for easy installation, the plug connects to live, earth, and neutral wires without special tools. The heavy-duty materials ensure long-lasting reliability even under tough conditions.
While cost-effective, it lacks advanced features like auto-monitoring or extensive certifications. Users needing more robust protection may prefer higher-end models with additional safety features.
Best for budget-conscious users, this plug offers reliable protection at an affordable price. Its warranty and durability make it a practical choice for basic electrical safety needs.
5-Year Warranty
A long warranty period reflects confidence in the plug's durability and performance.
Surge Protection
Withstands up to 6kV surges, protecting connected devices from electrical damage.
We may earn a commission when you buy through this link, at no additional cost to you.
9. Kaper GFCI Plug Replacement – Compact Waterproof Design
Kaper GFCI Plug Replacement
15 Amp Manual Reset
Auto-Monitor Every 15m
Class A Rainproof
ETL Approved Safety
This Kaper plug features a compact design ideal for waterproof outlet boxes and outdoor use. With auto-monitoring and manual reset, it balances safety and convenience for power tools and pumps.
Pros
- Auto-monitor every 15m
- Compact design
- Class A rainproof
- Manual reset safety
- Versatile compatibility
Cons
- 15-minute testing interval
- Manual reset inconvenience
We may earn a commission when you buy through this link, at no additional cost to you.
The manual reset requires user confirmation after a trip, ensuring safety before power is restored. Its Class A rainproof protection ensures reliable performance in wet and harsh environments.
While compact, the manual reset may be less convenient than auto-reset for continuous operations. Users prioritizing safety over convenience may prefer this manual design.
Best for outdoor and compact applications, this plug offers solid safety features. Its compatibility with various 3-wire devices makes it a versatile choice for home and industrial use.
Compact Design
A separate small plug makes it ideal for waterproof outlet boxes when used outdoors.
Class A Rainproof
Designed to withstand wet and harsh environments, ensuring reliable performance in all-weather conditions.
We may earn a commission when you buy through this link, at no additional cost to you.
10. GFCI Replacement Plug Assembly Auto Reset 15 Amp 3 Prongs – Consistent Safety
GFCI Replacement Plug Assembly Auto Reset 15 Amp 3 Prongs
15 Amp Auto Reset
3-Prong Design
6kV Surge Protection
5 Year Warranty
This GFCI plug offers reliable protection with auto-reset and a 5-year warranty. Its surge protection and durable design make it suitable for a wide range of electrical equipment.
Pros
- 5-year warranty
- Auto-reset functionality
- Surge protection
- Durable construction
- Wide application
Cons
- Basic features
- No monitoring
We may earn a commission when you buy through this link, at no additional cost to you.
The plug breaks the circuit within 0.03 seconds when leakage occurs, protecting users and appliances. Its solid material and rugged construction ensure it can withstand heavy use without frequent replacements.
While effective, it lacks advanced monitoring features found in higher-end models. Users needing more control may prefer manual reset or auto-monitoring options for enhanced safety.
Best for general use, this plug provides consistent protection at a reasonable price. Its warranty and durability make it a practical choice for enhancing electrical safety in various settings.
Surge Protection
Designed to withstand 6 kilovolts, protecting equipment from electrical surges and lightning.
Durable Construction
Built with solid materials to withstand heavy use, ensuring long-lasting reliability.
We may earn a commission when you buy through this link, at no additional cost to you.
Buying Guide – How to Choose the Best Inline GFCI Replacement Plug
Choosing the right inline GFCI replacement plug requires understanding key safety features and compatibility. This guide highlights essential factors to consider for optimal protection and performance.
Safety Certifications
Look for plugs certified by recognized bodies like UL, ETL, or CSA to ensure they meet established safety standards. Certification indicates the plug has undergone rigorous testing to verify its reliability and performance.
Always verify the certification marks on the product to ensure compliance with local electrical codes and safety requirements.
Auto-Monitoring
Auto-monitoring features allow the plug to conduct self-tests automatically, ensuring it is functioning correctly. This is critical for continuous protection, as it reduces the risk of silent failures.
Plugs with auto-monitoring every few minutes or seconds provide higher safety assurance than those relying on manual testing.
Reset Type
Choose between auto-reset and manual reset based on your needs. Auto-reset restores power automatically when safe, which is convenient for unattended equipment like pool pumps.
Manual reset requires user confirmation after a trip, which is safer for tools or applications where immediate power restoration may be hazardous.
Weather Resistance
For outdoor use, ensure the plug has a waterproof or weather-resistant rating such as IP65 or Class A rainproof. This protects the internal components from moisture, dust, and environmental factors.
Adequate weather resistance ensures reliable performance in wet or harsh conditions, extending the plug's lifespan.
Surge Protection
Plugs with surge and lightning protection safeguard connected devices from voltage spikes. Look for models with specifications indicating withstand ratings, such as 6kV.
Surge protection adds an extra layer of safety for sensitive electronics and expensive equipment used with the plug.
Compatibility
Ensure the plug matches the wiring gauge and prong configuration of your equipment. Most models support standard 15 Amp, 120V outlets with 3-prong grounded connections.
Verify wire compatibility (e.g., 14AWG, 16AWG) to ensure a secure fit and proper installation.
Durability
Heavy-duty industrial materials and rugged construction ensure the plug can withstand frequent use and harsh environments. Look for features like impact-resistant housing and temperature resistance.
A durable plug reduces the need for replacements and maintains safety over time.
Warranty
Check the manufacturer's warranty to understand coverage for defects or failures. A longer warranty period often reflects confidence in the product's quality and reliability.
A solid warranty provides peace of mind and protects your investment against unexpected issues.
How to Use and Care for Your Inline GFCI Replacement Plug
Before installation, ensure the power is turned off at the source. Connect the live (BLK), earth (GRN), and neutral (WHT) wires to the corresponding labeled screws on the plug, tightening them securely to prevent loose connections.
After installation, press the reset button to activate the plug. Test the functionality by pressing the test button to confirm the plug trips and cuts power as expected, then reset it to restore power.
Regularly inspect the plug for signs of damage, wear, or corrosion. Keep the plug clean and dry, and avoid submerging it in water unless it is rated for such use to ensure long-term reliability.
Frequently Asked Questions
What is an inline GFCI replacement plug?
An inline GFCI replacement plug is a device that adds ground fault circuit interruption to existing cords or appliances. It cuts power instantly when a ground fault is detected to protect users from electric shock.
How does auto-monitoring work?
Auto-monitoring allows the plug to conduct self-tests automatically at regular intervals to ensure it is functioning. This reduces the risk of silent failures and provides continuous protection against electrical hazards.
What is the difference between auto-reset and manual reset?
Auto-reset restores power automatically when the fault clears, making it convenient for unattended equipment. Manual reset requires user confirmation after a trip, which is safer for tools or critical applications.
Are these plugs waterproof?
Many models have waterproof or weather-resistant ratings like IP65, making them suitable for outdoor use. However, always check the specific rating to ensure it meets your environmental conditions.
Do I need special tools for installation?
No, most plugs are designed for easy DIY installation. You only need basic wire strippers and a screwdriver to connect the live, earth, and neutral wires securely to the labeled terminals.
How often should I test the plug?
While many plugs have auto-monitoring, it is recommended to test manually at least once a month. Use the test button to verify functionality and reset the plug afterward to ensure continued protection.
Final Thoughts on Choosing the Best Inline GFCI Replacement Plug
The top picks, including the DEWENWILS, Inline GFCI Plug 15 Amp with Auto Reset, and ELEGRP G1215CM, offer excellent safety features and reliability for various applications.
Prioritize factors like auto-monitoring, weather resistance, and reset type based on your specific needs to ensure optimal protection and convenience for your tools and equipment.
Always verify current prices and availability before purchasing to ensure you get the best value for your investment in electrical safety.