A 50A to 30A splitter, also known as an adapter or converter, is a power distribution device used in RVs, electric vehicle (EV) charging, and other applications that require a lower current output from a higher current source. This type of device allows the user to convert a 50A outlet connection to two or more 30A outlets, allowing multiple devices to be powered simultaneously12

　　1. 50A to 30A Splitter Overview

　　1.1 Definition and Working Principle

　　Definition: A 50A to 30A splitter is an electrical adapter that splits the power from a single 50A plug into two or more 30A outlets. This type of splitter is commonly used when an RV is docked to connect to shore power provided by a campground.

　　Working Principle: When plugged into a 50A outlet, the circuitry inside the splitter safely distributes the incoming current to each 30A output port. To ensure safety and efficiency, these splitters are designed with appropriate fuses and other protection mechanisms to prevent problems such as overloads and short circuits12

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　　1.2 Main functions

　　Power distribution: By dividing a 50-amp input source into two or more 30-amp outputs, multiple devices can use the same power point at the same time.

　　Compatibility expansion: Such splitters provide great flexibility for electrical devices with different power requirements because it allows a larger capacity of power to be effectively utilized.

　　Enhanced safety: High-quality products have built-in safety features such as overheat protection, overcurrent protection, etc. to ensure stable and reliable power supply in any situation1

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　　2. Key features

　　2.1 Plug type

　　50-amp splitters are usually equipped with NEMA 14-50P male plugs as input ends, while the output ends may be TT-30R or L14-30R 30-amp female sockets, depending on the manufacturer's design and the needs of the target market12

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　　2.2 Length and Size

　　These splitters are available in different lengths, such as 28 inches, which helps to adapt to different installation environments and ensure sufficient operating space1

　　. There are also shorter versions, such as the Parkworld 61490 V Splitter Cord, which is 1.5 feet long17

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　　2.3 Material Quality

　　The choice of construction materials is critical to the durability and performance of the product. Some high-end models use pure copper conductors and heavy-duty STW cables (10 AWG specifications) to withstand the rigors of outdoor conditions4

　　. At the same time, for ease of use and safety, some splitters are also equipped with easy-to-grip handles and LED indicators to display operating status15

　　2.4 Safety Certification

　　Qualified 50A to 30A splitters should comply with relevant electrical standards and pass necessary safety tests, such as UL certification, to ensure their safety and reliability when sold on the market3

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