10 Best 3 Prong Car Adapters

Last Updated February 2020 Based on 1025 Reviews
1 Best of the Best!
GE Polarized Grounding Adapter 2 Pack, Turn 2-Prong Outlets to 3-Prong Outlets, Outlet Adapter, Easy to Install, Indoor Only, UL Listed, Orange, 14404
GE GE Polarized Grounding Adapter 2 Pack, Turn 2-Prong Outlets to 3-Prong Outlets, Outlet Adapter, Easy to Install, Indoor Only, UL Listed, Orange, 14404
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9.9 Greet
Product Highlights
  • Power Pair: Get 2 outlet adapters for one price with the GE polarized grounding adapter 2 pack
  • Transform: A 2 prong outlet can be changed to receive 3 prong plugs and continue to get grounding protection
  • Easy to Install: Plug in the outlet adapter and fasten the green tab under the metal wallplate mounting screw to complete the grounding path
  • Rating: This outlet adapter has an electrical rating of 15A, 125VAC, and 1875Watts max; Total power outlets:1
  • Top Brand: GE is a top brand in outlet adapters, surge protectors and power strips
2
Prime PBAD3200 3-to-2 Adapter, Gray, 2-Pack
Prime Wire & Cable Prime PBAD3200 3-to-2 Adapter, Gray, 2-Pack
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9.6 Greet
Product Highlights
  • 1 outlet
  • Connects a 3-conductor grounded plug to a 2-conductor polarized receptacle
  • 2-Pack
  • Polarized Receptacle
  • Indoor use only
3
AmazonBasics 4-Port Multi USB Car Charger for Apple and Android Devices, 9.6 Amp 48W, Black and Red
AmazonBasics AmazonBasics 4-Port Multi USB Car Charger for Apple and Android Devices, 9.6 Amp 48W, Black and Red
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9.4 Greet
Product Highlights
  • 4-port 48-watt USB car charger plugs into a car's DC adapter and can charge up to 4 devices at a time-great for phones, tablets, and other devices
  • Device detection allows for charging at the fastest speed possible-up to 2.4 amps per port or 9.6 amps total (does not support Qualcomm Quick Charge)
  • Compatible with iPhone X, 8 Plus, 8, 7 Plus, 7, 6s Plus, 6s, 6 Plus, Galaxy S7, S6, Edge, Plus, iPad Pro, iPad Air, Air 2, iPad mini, LG, Nexus, HTC, and more
  • Built-in safety system includes overload, short-circuit, and overvoltage protection (CE, FCC, and RoHS certified); lightweight and compact for easy portability
  • 12 / 18 volt input compatible with most vehicles; discrete, non-distracting LED confirms connection; charging cable not included; backed by AmazonBasics limited 1-year warranty
4
Leviton 274, Gray, 274-000 Grounding Adapter, 2 Pack
Leviton Leviton 274, Gray, 274-000 Grounding Adapter, 2 Pack
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9.1 Greet
Product Highlights
  • 1 straight or 1 angle plug accepted.
  • Green tab must be connected to outlet box for grounding
  • Perfect where only 2-wire outlets exist
  • Gray. Total outlet: 1
  • 2 pack
5
Conntek EV1030T 30-Amp NEMA 10-30P Dryer Plug to 50-Amp Electric Vehicle Adapter Compatible with Tesla Vehicles
Conntek Conntek EV1030T 30-Amp NEMA 10-30P Dryer Plug to 50-Amp Electric Vehicle Adapter Compatible with Tesla Vehicles
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8.7 Very good
Product Highlights
  • NEMA 10-30P 30A 125/250V 3 Prong dry Plug
  • NEMA14-50R(Tesla) Style
  • EV Charging adapter
6
EAZ LIFT 12' 18 Gauge Trailer Connector, 4-Way Long Flat (64835)
EAZ LIFT EAZ LIFT 12" 18 Gauge Trailer Connector, 4-Way Long Flat (64835)
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8.6 Very good
Product Highlights
  • Electrical 4-Way Flat Trler Conn-Com 64835 Camco Manufacturing
7
Camco RV Dogbone Electrical Adapter With Easy PowerGrip Handle, 30 Amp Male to 50 Amp Female, 18' (3750W/125V) (55185)
Camco Camco RV Dogbone Electrical Adapter With Easy PowerGrip Handle, 30 Amp Male to 50 Amp Female, 18" (3750W/125V) (55185)
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8.3 Very good
Product Highlights
  • Handles make unplugging easier
  • 30 AMP (TT 30P) male to 50 AMP (14 to 50R) female
  • 125Volt /3750Watt
  • Handles are molded and made of heavy duty polyvinyl plastic
  • 180 degree turn from male end to female end reduces stress
  • This product is not designed for Teslas or dryers.
8
AmazonBasics 3.5mm to 2-Male RCA Adapter Audio Stereo Cable - 4 Feet
AmazonBasics AmazonBasics 3.5mm to 2-Male RCA Adapter Audio Stereo Cable - 4 Feet
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8 Very good
Product Highlights
  • Adapter cable connects a smartphone, tablet, or MP3 player to a speaker, stereo receiver, or other RCA-enabled device
  • 3.5mm Male connector on one end and two Male RCA connectors on the other end
  • Works with left and right audio input and devices with a standard 3.5mm auxiliary jack (typically used for headphones or ear buds)
  • Dual-shielding, polished metal connectors and a corrosion-resistant gold-plated 3.5mm connector for pure, clear audio and minimal signal loss
  • Beveled step-down design ensures a secure, fully plugged-in connection; PVC exterior offers added strength and flexibility; cable measures 6 feet; backed by an AmazonBasics 1-year limited warranty
9
Leviton 698-W Not Available 698-W-15 Amp, 125 Volt, Grounding Triple Outlet Adapter, White, 1 Pack
Leviton Leviton 698-W Not Available 698-W-15 Amp, 125 Volt, Grounding Triple Outlet Adapter, White, 1 Pack
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7.9 Good
Product Highlights
  • Item Weight: 0.13 lb
  • Country of Origin: United States
  • Color: White
  • Brand name: Leviton
10
Hopkins 47345 4 Wire Flat Adapter
Hopkins Towing Solutions Hopkins 47345 4 Wire Flat Adapter
More info
7.7 Good
Product Highlights
  • The new patent-pending LED series incorporates built-in trouble-shooting
  • If the trailer lights are not functioning correctly, you can isolate the problem by simply looking at the adapter
  • Includes function testing LEDs
  • 7 Way RV blade to 4 Wire flat
  • Take the guesswork and frustration out of vehicle to trailer wiring

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