{"product_id":"crst-15-to-20-amp-adapter-nema-5-15p-to-5-20r-circuit-breaker-etl","title":"ETL Listed 15 to 20 Amp Adapter Plug with Built-In 15A Circuit Breaker | NEMA 5-15P to 5-20R","description":"\u003ch2\u003eThe Problem Every Homeowner Faces — And the Only Adapter That Solves It Safely\u003c\/h2\u003e\u003cp\u003eStandard U.S. household outlets are \u003cstrong\u003eNEMA 5-15R, rated at 15 amps\u003c\/strong\u003e — matched to the 14AWG wiring inside your walls. But many appliances — commercial air conditioners, treadmills, shop vacs, power tools, and commercial kitchen equipment — come with \u003cstrong\u003eNEMA 5-20P plugs\u003c\/strong\u003e that won’t fit a standard outlet.\u003c\/p\u003e\u003cp\u003eGeneric 15A-to-20A adapters solve the physical fit problem. But they create a dangerous one: \u003cstrong\u003eif your device draws more than 15 amps through a 15A circuit, the wiring inside your walls overheats\u003c\/strong\u003e — a leading cause of residential electrical fires. Generic adapters have no protection against this. They simply let the current flow.\u003c\/p\u003e\u003cp\u003eThe CRST adapter is different.\u003c\/p\u003e\u003ch2\u003eBuilt-In 15A Circuit Breaker — The Safety Feature No Other Adapter Offers\u003c\/h2\u003e\u003cp\u003eOur adapter includes a \u003cstrong\u003ebuilt-in 15A resettable circuit breaker\u003c\/strong\u003e that automatically cuts power the moment current exceeds 15 amps — protecting your home’s wiring before it can overheat. When the overload clears, reset with a single press. No fuse to replace, no electrician required.\u003c\/p\u003e\u003cp\u003eThis matters even when your device is rated at 20A: \u003cstrong\u003emost 20A appliances don’t draw their full rated current during normal operation\u003c\/strong\u003e. This adapter lets you use them safely on a 15A circuit, with automatic protection if the load ever spikes beyond safe limits.\u003c\/p\u003e\u003ch2\u003eCompact Profile — Won’t Block the Outlet Below\u003c\/h2\u003e\u003cp\u003eDespite integrating a full circuit breaker, the CRST adapter maintains a \u003cstrong\u003ecompact form factor\u003c\/strong\u003e. When plugged into the top outlet of a standard dual-outlet wall plate, it \u003cstrong\u003edoes not obstruct the bottom outlet\u003c\/strong\u003e — both remain usable simultaneously. A detail that generic bulky adapters consistently get wrong.\u003c\/p\u003e\u003ch2\u003eNEMA 5-15P → 5-20R — Plug-and-Play, No Wiring Required\u003c\/h2\u003e\u003cp\u003eConverts any standard \u003cstrong\u003eNEMA 5-15R household outlet\u003c\/strong\u003e to accept \u003cstrong\u003eNEMA 5-20P plugs\u003c\/strong\u003e instantly. No tools, no rewiring, no electrician. Designed for \u003cstrong\u003etemporary use\u003c\/strong\u003e when a 20A outlet isn’t available — the right solution for the right situation.\u003c\/p\u003e\u003ch2\u003eETL Listed — UL STD. 498A \u0026amp; CSA STD. C22.2#42\u003c\/h2\u003e\u003cp\u003eETL Listed to \u003cstrong\u003eUL Standard 498A\u003c\/strong\u003e (attachment plugs and receptacles) and \u003cstrong\u003eCSA Standard C22.2 No. 42\u003c\/strong\u003e — meeting both U.S. and Canadian safety requirements. Built with \u003cstrong\u003ehigh-temperature resistant, flame-retardant materials\u003c\/strong\u003e for long-term reliability under load.\u003c\/p\u003e\u003ch2\u003eImportant Usage Note\u003c\/h2\u003e\u003cp\u003eThis adapter is designed for \u003cstrong\u003etemporary use only\u003c\/strong\u003e. Ensure your device’s continuous running draw does not exceed \u003cstrong\u003e15A \/ 1,875W\u003c\/strong\u003e. For permanent high-amperage installations, consult a licensed electrician.\u003c\/p\u003e\u003ch2\u003e18-Month Warranty — Extendable to 36 Months Free\u003c\/h2\u003e\u003cp\u003eEvery CRST product comes with an \u003cstrong\u003e18-month warranty\u003c\/strong\u003e as standard. \u003ca href=\"https:\/\/www.crsttech.com\/pages\/warranty-program\"\u003eRegister your product for free\u003c\/a\u003e to extend coverage to a full \u003cstrong\u003e36 months\u003c\/strong\u003e.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e✅ Built-in 15A resettable circuit breaker — automatic overload protection\u003c\/li\u003e\n\u003cli\u003e✅ NEMA 5-15P to NEMA 5-20R conversion\u003c\/li\u003e\n\u003cli\u003e✅ Compact — does not block adjacent outlet on dual-outlet wall plate\u003c\/li\u003e\n\u003cli\u003e✅ ETL Listed — UL STD. 498A (US) + CSA STD. C22.2#42 (Canada)\u003c\/li\u003e\n\u003cli\u003e✅ Flame-retardant, high-temperature resistant materials\u003c\/li\u003e\n\u003cli\u003e✅ Plug-and-play — no tools or wiring required\u003c\/li\u003e\n\u003cli\u003e✅ For temporary use; max continuous load 15A \/ 1,875W\u003c\/li\u003e\n\u003cli\u003e✅ 18-month warranty | Extend to 36 months free at crsttech.com\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat’s in the Box\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1× CRST NEMA 5-15P to 5-20R Adapter with Built-In 15A Circuit Breaker\u003c\/li\u003e\u003c\/ul\u003e","brand":"CRST","offers":[{"title":"Default Title","offer_id":47715104522380,"sku":"RS-LTS-LA-94","price":9.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0365\/1525\/0316\/files\/1600-1600_3437766c-938b-423c-bb62-91e57d2053fa.jpg?v=1776827192","url":"https:\/\/www.crsttech.com\/products\/crst-15-to-20-amp-adapter-nema-5-15p-to-5-20r-circuit-breaker-etl","provider":"CRST","version":"1.0","type":"link"}