Best Sintron in 2026

✅【CERTIFICATION: ETL】ETL listed. Safety and quality are highly valued at Sintron products, the Sintron 15 Amp flanged inlet receptacle is compliance to North American safety standards.

✅【WIDE APPLICATION】This shore power plug widely used in RVs, campers, cars, trailers, boats, ships, marine heaters, houses, bumpers, embedded socket boxes, etc., not only as generators or battery charger plugs, but also for power your electronic devices.

✅【WEATHERPROOF】Built to withstand harsh environments for the straight blade power inlet has a NEMA Type-3R enclosure rating ensuring superior protection against rain, sleet and damage from external ice formations.

✅【Custom-made for Echo Show】This adjustable stand is custom-made for the Echo Show 5 & Echo Show 8 (device is not included), it is very easy to install and remove, super functional.

✅【Adjustable, 360 Degree Rotation】This stand is adjustable and 360 degree rotation, easily tilt forward or backward to improve viewing angle. Place on a table or counter and easily adjust Echo Show 5 & Echo Show 8 viewing angle.

✅【Magnetic Attachment】This smart speaker holder with magnetic attachment, it is very simple and secure to hold your Echo Show 5 & Echo Show 8 device tightly, and protect Echo Show 5 & Echo Show 8 from falling off.

✅【HEAVY DUTY】3 Pole 3 Wire NEMA TT-30R 30A 125V female receptacle is suitable for RV camper travel trailer.

✅【EASY INSTALLATION】Easy to wire, convenient to plug, even if a green hand can do it well within minutes.

✅【REPLACEMENT OUTLET】Straight Blade Female Receptacle ensure optimum conductivity, low electrical loss, designed to replace the old/worn out receptacle for RV camper travel trailer.

✅【HEAVY DUTY】NEMA TT-30R receptacle power outlet, 30A 125V with type 3R enclosure rainproof which compatible with the nomal 30A Nema TT-30P RV cord.

✅【EASY INSTALLATION】It is recommended that you go through the top wiring and just unscrew the screw easily. There are plenty of good solid construction konckouts on the bottom and sides, if you choose to knock it out, you may need to spend some time with tools like knockout punch set or a hammer & a screwdriver.

✅【LOCKABLE & WEATHERPROOF】High-quality box perfectly protects the power outlet, which can be installed outdoors and indoors, for easy hook up and charge and used in your motorhome, electric car, For Tesla, generator, welder ect.

✅【HEAVY DUTY】NEMA 14-50R receptacle power outlet, 50A 125V/250V with type 3R enclosure rainproof which compatible with the nomal 50A Nema 14-50P RV cord.

✅【EASY INSTALLATION】It is recommended that you go through the top wiring and just unscrew the screw easily. There are plenty of good solid construction konckouts on the bottom and sides, if you choose to knock it out, you may need to spend some time with tools like knockout punch set or a hammer & a screwdriver.

✅【LOCKABLE & WEATHERPROOF】High-quality box perfectly protects the power outlet, which can be installed outdoors and indoors, for easy hook up and charge and used in your motorhome, electric car, For Tesla, generator, welder ect.

(1) Support 2016~2022 3D TVs of Sony/Samsung/Panasonic, and Epson RF Projectors, RF communication method, work without emitter, light design, USB rechargeable.

(2) Auto power off function, energy efficiency, rechargeable battery supports 60 hours continuously working time. High transmission lenses with brighter 3D video image, High-tech light-speed LCD shutter technology, High quality stereoscopic 3D solution.

(3) Compatible with Panasonic 3D TV Model : TX-40AS640B TX-48AS640B TX-55AS640B TX-40AX630B TX-48AX630B TX-55AX630B TX-50AX802B TX-50AX802B TX-50AX802B TX-40CX700B TX-50CX700B TX-55CX700B TX-65CX700B TX-40CX802B TX-50CX802B TX-55CX802B TX-65CX802B TX-85X942B TX-L65WT600B, etc...

💿【FLEXIBLE SIZING】The wheel chock can be reduced to 3 inches and extended to 10 inches, fits most RV travel trailer.

💿【ANTI-THEFT】When the wheel chock is extended to the appropriate position, the hole can be locked with a lock, which has the function of anti-theft and safety.

💿【STURDY & DURABLE】Sintron RV wheel chock increased surface plating process to resist corrosion won't rust easily, increase hardness and prevent wear and aging. Raised rib design on the sides increase the friction.

⚡️NEMA 5-15P male plug to NEMA L5-30R female plug.

⚡️Allows you to leave heavy power cord stowed between trips to plug into regular house current.

⚡️instead of dragging out the large cord and finding a 30 or 50-amp outlet.

(1) High quality original push button by Sanwa from Japan.

(2) Snap-in installation, easy to replace existing parts and use. Fits in most Hori and MadCatz joysticks, Also can use the buttons to build your own custom controller.

(3) Smooth, responsive and quiet, 3,000,000 Life Time.

Plug (Male): NEMA TT-30P (RV 30 Amps, 125 Volts)

Receptacle (Female): NEMA TT-30R (RV 30 Amps, 125 Volts)

Maximum Wattage: 3,750 Watts

UL CERTIFICATE HEAVY DUTY GENERECTOR EXTENSION CORD Cords with UL file number E257089. 4x10 gauge cable can run the max wattage of 7500 watts,power of 30 Amp 125/250 volts

TWIST LOCKING DESIGN The plugs was design with the lock structure.When the plug is inserted and twisted to lock place,it will not slipping from the generator socket due to wind, hurricane,big rain, snow, This is the best extension cord for your generator to connect with home appliance and electric power tools.

WEATHER/WATER/FIRE RESISTANCE The good quality of the SJTW cable 105℃ with the FT-1 level fire resistance.The cable can be used indoor/outdoor for all weather and season,it is also with the water resistance,much safer for emergency and extreme weather using

Electrical Rating: 30A (NEMA L14-30P) male to 50A (NEMA 14-50R) female adapter cord with LED power indicator. Must have if you power 50 Amp RV from generator.

Superior Durability: Built with 100% copper wiring coated with flame retardant and UV-resistant PVC sleeve that serves as protection from outdoor elements, wear and tear.

Disconnect Handle: Disconnect handle for easier plugging in and unplugging without damaging the cable.

【ELECTRICAL RATING】 30A 125/250V NEMA L14-30P 4 prong locking male plug to 50 Amp 125/250V NEMA 14-50R female receptacle, suit for powering your 50 Amp RV from the generator. Also for Electric Vehicle charging such as Tesla Model S, Model X and Model 3.

【HEAVY DUTY】Molded plug, copper wiring coated wire, heavy-duty flame retardant, UV-resistant, STW indoor/outdoor water-resistant PVC jacket in UL 62 standard, and plug in UL 817 standards.

【GRIP HANDLE】Female end of the adapter cord is designed with an ergonomic grip handle to make plugging and unplugging easier.

【ELECTRICAL RATING】 50 Amp, 25 feet max rate 6250 Watt (125V) / 12500 Watt (250V), STW pure copper power cord with 14-50P male plug and SS2-50R twist locking female for RV camper and generator to home .

【ETL LISTED】 High quality standards. Pure copper wiring coated with a heavy duty flame retardant, heat resistant, UV resistant PVC, provides protection from rain, wind, snow, soil, and rocks, ETL listed.

【SAFETY DESIGN】 Male end of cord is designed with ergonomic grip handles to safely and easily plug and unplug connector, female receptacle locking feature to ensures safe and leak free power conduction.

ALL-WEATHER INDOOR/OUTDOOR USE: .65" outside diameter cord, 10 gauge/4-conductor, 30 amp, 4-pronged all rubber transfer switch extension cord. Rated for general indoor and outdoor use and is compliant with cradle mounts, portable AC units, air compressors, electric vehicle charges, and emergency electrical needs during power outages and other power connection purposes. Please note that this cord becomes less malleable in colder weather.

EXCELLENT PLIABILITY: Pliable, flexible all rubber cord gives you a clean current in subzero weather conditions. Works tremendously for carrying a sustained load without overheating or becoming stiff. It is weather, water, and oil resistant, and may be used for extended periods of time year-round. A useful and reliable emergency extension cord that has excellent flexibility straight out of the box.

TWIST AND LOCK MECHANISM: SJTW L14-30 locking power cords with 125-250 voltage. The locking plugs have the pins arranged in a circular manner. The plug is inserted and twisted to lock in place. This cord can be used to run any circuit in your breaker panel up to 30A. It is an ideal cable for running an emergency generator to your wall outlet.

ALL-WEATHER INDOOR/OUTDOOR USE: 10 gauge/4-conductor, 30 amp, 4-pronged all rubber transfer switch extension cord. Rated for general indoor and outdoor use and is compliant with cradle mounts, portable AC units, air compressors, electric vehicle charges, and emergency electrical needs during power outages and other power connection purposes. Please note that this cord becomes less malleable in colder weather.

EXCELLENT PLIABILITY: Pliable, flexible all rubber cord gives you a clean current in subzero weather conditions. Works tremendously for carrying a sustained load without overheating or becoming stiff. It is weather, water, and oil resistant, and may be used for extended periods of time year-round. A useful and reliable emergency extension cord that has excellent flexibility straight out of the box.

TWIST AND LOCK MECHANISM: SJTW L14-30 locking power cords with 125-250 voltage. The locking plugs have the pins arranged in a circular manner. The plug is inserted and twisted to lock in place. This cord can be used to run any circuit in your breaker panel up to 30A. It is an ideal cable for running an emergency generator to your wall outlet.

UL CERTIFICATE HEAVY DUTY GENERECTOR EXTENSION CORD Cords with UL file number E257089. 4x10 gauge cable can run the max wattage of 7500 watts,power of 30 Amp 125/250 volts

TWIST LOCKING DESIGN The plugs was design with the lock structure.When the plug is inserted and twisted to lock place,it will not slipping from the generator socket due to wind, hurricane,big rain, snow, This is the best extension cord for your generator to connect with home appliance and electric power tools.

WEATHER/WATER/FIRE RESISTANCE The good quality of the SJTW cable 105℃ with the FT-1 level fire resistance.The cable can be used indoor/outdoor for all weather and season,it is also with the water resistance,much safer for emergency and extreme weather using

UL CERTIFICATE HEAVY DUTY GENERECTOR EXTENSION CORD Cords with UL file number E257089. 4x10 gauge cable can run the max wattage of 7500 watts,power of 30 Amp 125/250 volts

TWIST LOCKING DESIGN The plugs was design with the lock structure.When the plug is inserted and twisted to lock place,it will not slipping from the generator socket due to wind, hurricane,big rain, snow, This is the best extension cord for your generator to connect with home appliance and electric power tools.

WEATHER/WATER/FIRE RESISTANCE The good quality of the SJTW cable 105℃ with the FT-1 level fire resistance.The cable can be used indoor/outdoor for all weather and season,it is also with the water resistance,much safer for emergency and extreme weather using

【30 AMP ​GENERATOR POWER CORD】10 gauge 4 wire Nema L14-30P and Nema L14-30R is designed for connecting directly to your home's electrical system. Offering 125/250 volts can run the max wattage of 7500 watts

【TWIST & LOCK DESIGN】Design with the lock structure, the locked plug can’t fall off due to external resistance such as a hurricane, heavy rain, or heavy snow

【SAFE LENGTH 20 FT with ETL LISTED】Safe extends your power up to 20 ft away, protecting you and others from hazardous generator exhaust. When P&G cut the power to California resistents, with the cord, you will not worry about the power outage again

Power up your 5th wheel camper, RV and home a distance from power supply by this massive extension cord. 50 amp, 15 feet, 6/3 AWG +8/1 AWG, ETL listed, rated for 6250 Watt (125V) and 12500 Watt (250V).

90-degree UV-resistant plug with bigger space for handles allows you to plug in your power cord with ease. Molded-in design makes plugging and unplugging this cable safer for you.

LED power indicator will light up when cord is connected to power supply. Lockable receptacle prevent cord from falling off during use.

Powerful – Connect the locking outlet on your generator to the manual transfer switch on your home and extend up to 30 amps of power

Flexible – The cold and heat resistant 25-foot, 10-gauge wire stays flexible in extreme temperatures and is rated for 250-volt use

Weather Resistant – Service grade, abrasion and weather-resistant SJTW insulation

【15 Amp Flanged Inlet】: No oxidation for the Nickel coated copper pole on the plug, made of premium copper and Nylon plastic to avoid the damage of UV degradation and chemicals, rugged and durable for indoor and outdoor.

【Easy Reliable Installation】: 2" Hole size required, 4 long Stainless Steel screws will fix straight blade flanged inlet on the hole or wall more tightly. No gap on the edge!

【 Weatherproof Cover】: ETL approved, and the rv electrical outlet cap and back cover will protect it from the rain storm, snows, dust and even works well in Western Colorado winters, without crack and leak.

Power up your 5th wheel camper, RV and other vehicle from a distance to power supply by this massive extension cord. 50 amp, 25 feet, 6/3 AWG +8/1 AWG, ETL listed, rated for 6250 Watt (125V) and 12500 Watt (250V).

90-degree UV-resistant plug with bigger space for handles allows you to plug in your power cord with ease.

Molded-in design makes plugging and unplugging this cable safer for you. Strain relief structure makes the cord not easy to break.

Plug (Male): NEMA TT-30P (RV 30 Amps, 125 Volts)

Receptacle (Female): NEMA TT-30R (RV 30 Amps, 125 Volts)

Maximum Wattage: 3,750 Watts

【NEMA L14-30P】: Heavy Duty L14-30P Locking Plug, 3-pole, 4-wire Grounding Type at 125/250V, uses with 10-gauge cord for up 7,500W of generator with 30A outlet.

【KEEP OUT DEBRIS/ MOISTURE】: Built with rubber grommet inside, give moisture for different sizes of cords.

【SAFE ENOUGH】: The contacts are in plastic housings without wrapping wires around screws, slide each wires into an individual tube and tighten, prevent shorting or stray strands.

Turn your 30-amp NEMA L5-30P twist-lock plug into an RV-Ready TT-30R outlet

Compact ETL-certified design easy to install and store

Features comfortable non-slip grooves for easy installation

RV/ Generator Transfer Switch Adapter

TT-30P to L14-30R(Two hots bridged)

RV TT-30P Travel Trailer RV 30Amp Plug

NEMA 14-50P to TT-30R: Rated at 125V / 3,750W 50Amp (14-50P) male plug to 30Amp ( TT-30R ) female receptacles, converts the 50Amp power to 30A RV campers recreational vehicles.

Sturdily Made: ETL listed, a thick 3-wire 10-gauge 100% copper wires in STW PVC rubber, features overheating resistant and short circuit, provides quality trust and long life.

Easily Unplug: Equipped with ergonomic handles, designs to make removal easier with less pulling and stress on the cord and plug.

Plug (Male): NEMA 14-50P, 50-Amps, 125/250-Volts, 15 feet

Receptacle (Female): NEMA SS2-50R, 50-Amps, 125/250-Volts, Locking Style

Maximum Wattage: 12,500 Watts

【UL & ETL Listed】 High quality standards. 25 feet 10 gauge 4 prong SJTW 125/250V up to 7500W, NEMA L14-30P male to L14-30R female twist lock, cord is UL listed, box is ETL Listed.

【Heavy Duty】 Pure copper wiring coated with a heavy duty flame retardant, heat resistant, UV resistant PVC, provides protection from rain, wind, snow, soil, and rocks for emergency ready. 

【Pre-Drilled】The 4 knockouts were replaced by rubber plugs which are easy to remove directly without damaging the power inlet box. Never need a special tool (such as driller/knockout punch) to drill. Easy to Open!