This listing is to introduce you a professional 50A 125/250V RV extension cord. It is flexible and durable, can be used indoor or outdoor. Better 6AWG/3C + 8AWG/1C (wire gauge), 25 ft length and equipped with N14-50P plug. UL test passed, good quality product.
The most common application of this 50 amp extension cord is to temporarily supply power from the generator to the manual switch box. This heavy-duty 50 Amp 125/250 Volt power cord is compatible with generators utilizing a N14-50P outlet and enables an easier reach from your generator to your nearest power receptacle or electrical connection. 
 
Advantages:
 
【12500W High Performance 】-The cord has a configuration of 50 amp 125/250 volts with a max rating of 12500 watts. With these traits, our locking power cord allows you to connect the campground or park power to your RV, Motorhome, Trailer, or vehicle with a built-in CS6364 inlet. 

【25FT Power Cord 】-The 25FT length generator cord is suitable for long-distance operation. Possessing the capacity of STW, this 50 amp generator cord can be used indoors and outdoors in all weather and seasons. 

【Twist Locking Design】-Locking ring design keeps dust and rain out of plug connection. When the plug is inserted and twisted into the locked position, it will not slip from the generator socket due to wind, hurricane, heavy rain, snow, etc. 
         

【Portable Strap】-The ergonomic grip makes it easier for you to plug and unplug. The plastic strap makes the cord neat when not in use. This generator wire is perfect for emergency generator connection to help power the entire home, office, shop, etc

【Wide Application】-This cord enables an easier reach from your generator to your nearest power receptacle or electrical connection. So you can use secure electricity when you are home, working, or outdoor traveling. 

  Power Inlet Box:

 
【ETL LISTED】50A, 125/250V, 12500W POWER INLET BOX, NEMA SS 2-50P inlet plug, compatible with all 50 Amp NEMA SS 2-50R generator cord. BougeRV 50 amp generator inlet box is designed for outdoors in an open area where the generator is being used and perfect for backup power during a power outage/bad weather（hurricane, flood, blizzard, etc)
【BORN FOR OUTDOOR】Coated with rugged, anti-corrosive powder-coat paint, BougeRV 50 amp generator inlet box has excellent anti-rust and waterproof performance in bad weather such as a rainy and windy day!! In addition, this inlet box adopts a special clamshell design with a weatherproof foam inside to prevent dust and humid air going in, which provids a strong protection in bad weather!
【EASY TO WIRE WITH 4-WAY CONNECTION】BougeRV 50 amp generator inlet box with generous wiring space allows (6.1*4.1*3.1 inches) you to wire more neatly, which contributes to a better heat dissipation effect and longer service life. The front of the box is removable with a flat-blade screwdriver for easy placement and wiring. With 1.2-inch knockouts from 4 directions (sides, bottom, and back), you can wire this inlet box to the transfer switch or panel from 4 directions to meet your needs.
【GREEN LIGHT INDICATION】There will be a green light on the flip lid when the connection is working. Compared with the old version, BougeRV 50 amp generator inlet box gives a visibly clear indication when working and the inlet is ready to use, which provides you with better performance and added safety. 

 
Best Choice for Outdoor！

This whole body of generator power inlet box is covered with anti-rust coating, with powerful features such as wind, rain and rust! In addition, it adopts a flip design (with weatherproofing foam inside), which is dedicated to preventing dust and humid air; it can provide the best protection in any bad weather!

√ Clamshell design (including weatherproof foam)

√ Windproof, rainproof and dustproof

√ Anti-rust coating

√ Green safety warning light

√ Larger wiring and heat dissipation space

√ 4-way connection