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Deal.ai › KFFKFF › Generators
KffKff
KffKff KFFKFF 50 Ampel Generator Extension STW 6/3 8/1 125V 250V

KffKff KFFKFF 50 Ampel Generator Extension STW 6/3 8/1 125V 250V

Best price now

$189.99at WalmartChecked Nov 9

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Price facts

  • Last seen at $189.99 at Walmart on Nov 9.

Our take on the KffKff KFFKFF 50 Ampel Generator Extension STW 6/3 8/1 125V 250V

This is a 50-foot heavy-duty generator extension cord built from 6/3 plus 8/1 copper cable, rated 50 amps at 125/250 volts and up to 12,500 watts. It is aimed at owners of large generators or transfer-switch setups who need to run power a long distance from the generator to a house, panel or RV. The locking ring on the plug end is meant to seal out dust and rain and keep the connection seated in the generator socket. It is a single-outlet cord, so it suits one high-draw connection rather than splitting power to several devices.

Best forWhole-home or transfer-switch generator hookupsLong runs from a generator to a house or outbuildingOutdoor and jobsite power in wet or dusty conditionsOwners of high-wattage generators needing a 50A feed
Pros
  • 50A, 125/250V rating handles up to 12,500W
  • 6 AWG conductors plus an 8 AWG ground for heavy loads
  • 50 ft length allows long-distance runs
  • STW jacket rated for indoor and outdoor use
  • Locking ring seals the plug connection against dust and rain
  • Storage strap and bands keep the cord tidy
Cons
  • Single outlet, so it cannot feed multiple devices at once
  • Very heavy at about 38 lb, awkward to move and coil
  • No written warranty stated
  • Bulky 6 AWG cord is stiff and hard to manage in cold weather

KffKff KFFKFF 50 Ampel Generator Extension STW 6/3 8/1 125V 250V prices at every store

  • WalmartNew

    In stock

    $189.99Free shippingChecked Nov 9
    Visit Walmart

Store links may earn us a commission. Price via Klarna.

KffKff KFFKFF 50 Ampel Generator Extension STW 6/3 8/1 125V 250V price history

Lowest price we've seen: $189.99 on Nov 9 at Walmart. Tracked across 1 store since Nov 9.

From Walmart

  • 50A pure copper cable rated 50AMP, 125/250V, 12500W
  • 6/3 + 8/1 cable: three 6 AWG conductors and one 8 AWG conductor for heavy loads
  • 50-foot length for long-distance generator connections
  • STW rating suitable for indoor and outdoor use
  • Locking ring design keeps dust and rain out of the plug connection and resists slipping from the generator socket
  • Portable strap and plastic bands make plugging in easier and keep the cord neat when not in use
Materials
Pure copper cables; 6/3 + 8/1 (three 6 AWG conductors, one 8 AWG conductor)
Returns
Free 90-day returns
Shipping
Free shipping; delivery arrives by Sat, Nov 14

About the KffKff KFFKFF 50 Ampel Generator Extension STW 6/3 8/1 125V 250V

This is a 50-foot, 50-amp generator extension cord rated for 125/250V and 12500W. It uses pure copper conductors in a 6/3 + 8/1 configuration: three 6 AWG conductors and one 8 AWG conductor, built for heavy loads. The STW rating makes it suitable for indoor and outdoor use.

A locking ring design helps keep dust and rain out of the plug connection and keeps the plug from slipping out of the generator socket. A portable storage strap and plastic bands make the cord easier to plug in and keep it neat when not in use.

Cord type
STW 6/3 + 8/1
Conductors
Three 6 AWG and one 8 AWG, pure copper
Length
50 ft
Amperage
50 A
Voltage
125 V / 250 V
Power
12500 W
Outlets
1
Use
Indoor and outdoor
Color
Black
Weight
38.36 lb
Features
Heavy duty, locking ring

Specifications

Color
BlackSource
Extension cord type
STW 6/3 + 8/1
Cord length
50 ft
Amps
50 A
Rec location
Indoor and Outdoor
Outlets
1
Features

Questions and answers

What can a 50A, 125/250V cord like this power?
At 50 amps and 250 volts it is rated up to 12,500 watts, enough for a large generator feeding a transfer switch, a subpanel or a big RV hookup. The single outlet means one connection, not several.
Can this cord be used outdoors?
Yes. The STW jacket is rated for indoor and outdoor use, and the locking ring is designed to keep dust and rain out of the plug connection.
Why does the cable use 6 AWG and 8 AWG wire?
Three 6 AWG conductors carry the two hot legs and neutral for the 50A load, and one 8 AWG conductor serves as the ground. The heavier gauge keeps voltage drop low over the 50-foot run.
How heavy is this cord?
About 38 lb. Plan on two hands to carry and coil it, and expect a stiff cable, especially in cold weather.
Does it come with a warranty?
No written warranty is stated for this cord. Keep the storage strap and bands for coiling it between uses.
What is in the box?
One 50-foot 6/3 plus 8/1 generator extension cord with a storage strap and plastic bands for keeping it neat.
Where is the KffKff KFFKFF 50 Ampel Generator Extension STW 6/3 8/1 125V 250V cheapest?
At Walmart, for $189.99, as of our latest check.

Stores we've priced the KffKff KFFKFF 50 Ampel Generator Extension STW 6/3 8/1 125V 250V at

  • Walmart deals and prices

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Heavy Duty
Brand
KFFKFF
Volts
125 V
Conductor material
Copper
Has written warranty
No
Accessories
Storage Strap
Weight
38.36 lb
Model
STW 6/3 + 8/1
Pieces
1
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