What is the grommet size? i intend to use 12/3 sjtw cord.

I am not sure on the extact size of the grommet, but the 12/3 sjtw cord should fit no problem.

Would 10 AWG fit in this?

I don’t believe it would the opening and screws contacts seem too small, but haven’t tried it. If you are using 10 AWG the amperage of this device may also be too high. This works for 15amp circuit. Maybe a GFCI (0utdoor) mounted in a watertight box and an outdoor in-use water tight cover would work better.

will this work as an inline on/off switch for my prressure washer? the pressure washer switch failed and is obsolete [Karcher]?.

You could but I’d think it would be better to get another inline switch and wire this GFCI between the plug and the switch. This way you’d have a real switch and be protected with a GFCI.

Will this work as an outdoor inline switch for low voltage lighting (with no gfci)?

It works as a GFCI. You can use it to provide protection for your lighting, but not as a switch.

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Outdoor Inline GFCI Cord Breaker 15 Amp Waterproof Earth Leakage Circuit Protection Auto-Reset 120Volt UL Listed

Product ID: 88455562

Details

Brand
WELLONG
Circuit Breaker Type
GFCI
Current Rating
15 A
Mounting Type
Clip-In Mount
Number Of Poles
3

⚡15 Amp high current capacity

⏱️Ultra-fast 0.03s auto-reset trip time

🌧️Class A rainproof for outdoor durability

$56.92

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Description

⚡ Stay powered, stay protected—never miss a beat with instant, weatherproof safety!

AUTO RESET CONVENIENCE - Automatically resets after leakage is cleared—no manual resets needed ⏱️
EFFORTLESS INSTALLATION - Simple 3-wire inline setup with clear color-coded terminals for quick, hassle-free mounting 🔧
INSTANT SHOCK PROTECTION - Breaks circuit within 0.03 seconds to keep you and your devices safe ⚡
WEATHERPROOF RELIABILITY - Class A rainproof design ensures seamless outdoor and indoor use 🌧️
CERTIFIED SAFETY ASSURANCE - UL Listed for trusted, industry-standard electrical protection ✅

This UL Listed Outdoor Inline GFCI Cord Breaker delivers 15 Amp, 120V protection with lightning-fast 0.03 second trip time. Its Class A rainproof rating makes it perfect for both indoor and outdoor use, safeguarding your appliances and tools from electric shock. Featuring easy 3-wire installation and an auto-reset function, it combines professional-grade safety with user-friendly convenience.

Specifications

ASIN	B07DWVVXTK
Best Sellers Rank	#196,910 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #71 in Ground Fault Circuit Interrupters
Brand Name	WELLONG
Circuit Breaker Type	GFCI
Current Rating	15 A
Customer Reviews	4.2 4.2 out of 5 stars (144)
Item Weight	0.2 kg
Manufacturer	Da Chang
Model	Original Model
Mounting Type	Clip-In Mount / Snap-In Mount
Number of Items	1
Number of Poles	3
Part Number	Original Model
UPC	713440698460
Voltage	120 volts

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$56.92

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In stock

Sold byAmazon British Virgin IslandsDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Desertcart purchases this item on your behalf and handles shipping, customs, and support to British Virgin Islands.

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TrustScore 4.5 | 7,300+ reviews

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