In the new energy and server fields, plugs and power cords play crucial roles in ensuring the stable operation of equipment.
1 New Energy Field
A. Electric Vehicle Charging
1) Home Charging
AC charging cables with specific plugs are used for home charging stations. For instance, in many countries, a Type 2 plug is commonly used for AC charging at home. These power cords connect the household electrical outlet to the electric vehicle (EV) charging port. They typically operate at lower power levels, around 7kW for single-phase charging, which is suitable for overnight charging, allowing EV owners to conveniently charge their vehicles while at home.
2) Public Charging Stations
Slow Charging: Similar to home charging, slow-charging public stations also use AC power cords with corresponding plugs. They are often installed in parking lots of shopping malls, offices, and residential areas, providing a convenient charging option during daily activities.
Fast Charging: DC fast-charging stations require high-power DC charging cables. These cables are designed to handle large amounts of current to charge EVs quickly. The plugs used in DC fast-charging, such as the CCS (Combined Charging System) plug, can transfer power at much higher rates, sometimes up to 350kW, significantly reducing the charging time compared to AC charging.
B. Renewable Energy Generation
1) Solar Power Systems
In solar power plants or rooftop solar installations, power cords connect solar panels to inverters. These cords need to be resistant to environmental factors like UV radiation, high temperatures, and humidity. The plugs ensure a secure connection, allowing the direct-current (DC) electricity generated by the solar panels to be safely transmitted to the inverter, which then converts it into alternating-current (AC) electricity for use in the grid or in-house electrical systems.
2) Wind Turbines
Power cords and plugs are used to connect various components within a wind turbine, such as the generator, control system, and the power grid connection point. The plugs must be able to withstand vibrations, harsh weather conditions (including strong winds, rain, and cold temperatures), and ensure reliable power transmission from the generator, which produces electricity as the turbine blades rotate.
2 Server Field
A. Data Centers
1) Power Distribution
Server power cords are used to connect servers to power distribution units (PDUs). In data centers, where there are numerous servers operating continuously, different types of power cords are employed based on power requirements. For example, C13/C14 power cords with a 10A rating are commonly used for standard-power servers. These cords connect the server's power inlet to the PDU outlet, ensuring a stable power supply.
2) High-Power Servers
For high-power servers, such as those used for large-scale data processing or cloud computing, C19/C20 power cords are used. These can handle up to 16A of current, providing the necessary power for the high-performance operation of these servers. They are crucial for maintaining the continuous operation of data-intensive applications and services that rely on these servers.
B. Office and Enterprise Servers
In office environments, servers are often connected to standard electrical outlets using appropriate power cords and plugs. These cords ensure that the servers can run smoothly, providing services like file storage, email management, and internal network services for the enterprise. The plugs and power cords need to be reliable to prevent any disruptions to these essential business-related services.
NEMA: 14-50P 4Pin Plug and Connector
Standard: UL 817/CSA-C22.2 No 21 UL C60320
Application: For new energy & network servers
Cable Type
| EVE/ST/SJT |
6AWG X 4C |
12.5 KW |
| EVE/ST/SJT |
8 AWG X 4C |
10 KW |
| EVE/ST/SJT |
10AWG X 4C |
7.5 KW |
NEMA: 5-20P 3Pin Plug and Connector
Standard: UL 817/CSA-C22.2 No 21 UL C60320
Application: For new energy & network servers
Cable Type
| EVE/EVJE/ST |
12AWG X 3C |
2.5 KW |
| EVE/EVJE/ST |
14 AWG X 3C |
2.25 KW |
| EVE/EVJE/ST |
16AWG X 3C |
1.625 KW |
| EVE/EVJE/ST |
18AWG X 3C |
1.25 KW |
NEMA: 6-15P 3Pin Plug and Connector
Standard: UL 817/CSA-C22.2 No 21 IEC60320
Application: For new energy & network servers
Cable Type
| EVE/EVJE/ST |
14AWG X 3C |
3.75 KW |
| EVE/EVJE/ST |
16 AWG X 3C |
3.25 KW |
| EVE/EVJE/ST |
18AWG X 3C |
2.5 KW |
NEMA: 6-20P 3Pin Plug and Connector
Standard: UL 817/CSA-C22.2 No 21 IEC60320
Application: For new energy & network servers
Cable Type
| EVE/EVJE/ST |
12AWG X 3C |
5 KW |
| EVE/EVJE/ST |
14 AWG X 3C |
4.5 KW |
| EVE/EVJE/ST |
16AWG X 3C |
3.25 KW |
| EVE/EVJE/ST |
18AWG X 3C |
2.5 KW |
NEMA: UK 3Pin Plug and Connector
Standard: BS1363. IEC60320
Application: For new energy & network servers
Cable Type
| EVC/H05VV-F |
3G*1.5mm² |
3.25 KW |
| EVC/H05VV-F |
3G*2.5mm² |
3.25 KW |
NEMA: FRANCE 3Pin Plug and Connector
Standard: IEC60884/CEE PUB7, IEC60320
Application: For new energy & network servers
Cable Type
| EVC/H05VV-F |
3G*1.5mm² |
4 KW |
| EVC/H05VV-F |
3G*2.5mm² |
4 KW |
Frequently Asked Questions
What types of power cords are used for electric vehicle home charging?
For home EV charging, AC charging cables with specific plugs such as the Type 2 plug are commonly used. These cords connect the household electrical outlet to the EV charging port, typically operating at around 7kW for single-phase charging — ideal for overnight charging.
What is the difference between AC and DC charging cables for electric vehicles?
AC charging cables are used for home and slow public charging, operating at lower power levels. DC fast-charging cables are designed to handle much higher currents and can transfer power at rates up to 350kW using plugs like the CCS (Combined Charging System), significantly reducing charging time.
What power cord standards apply to server data center applications?
In data centers, C13/C14 power cords rated at 10A are commonly used for standard servers, while C19/C20 power cords handling up to 16A are used for high-power servers involved in large-scale data processing or cloud computing. These ensure stable and continuous power supply to critical infrastructure.
Which NEMA plug types are available for new energy and server applications?
Available NEMA plug types include the 14-50P (4-pin), 5-20P (3-pin), 6-15P (3-pin), and 6-20P (3-pin), as well as international standards such as UK 3-pin (BS1363) and France 3-pin (IEC60884/CEE PUB7). Each is designed to meet specific power and regional requirements.
What certifications do these power cords comply with?
These power cords comply with internationally recognized standards including UL 817, CSA-C22.2 No. 21, UL C60320, IEC60320, BS1363, and IEC60884/CEE PUB7, ensuring safety and reliability across various global markets and applications.
What cable types and power ratings are available for the NEMA 14-50P plug?
The NEMA 14-50P plug is available with EVE/ST/SJT cable types in three configurations: 6AWG × 4C (12.5 KW), 8AWG × 4C (10 KW), and 10AWG × 4C (7.5 KW), making it suitable for high-power new energy and network server applications.
