The following are the internal wiring solutions for these small kitchen appliances in general, but different brands and models of appliances may vary:
electric kettle
Wiring name and purpose: There is usually a power cord for connecting to an external power supply; there is also a temperature sensor line for detecting water temperature to control heating.
connector and specifications: generally use ordinary power plug connector, common specifications for 10A, 250V, the number of cores is 3 cores, respectively, the fire wire, zero wire and ground wire. In terms of color, the fire line is generally brown or red, the zero line is blue, and the ground line is yellow and green. The length depends on the product design, generally about 0.5 – 1.5 meters. The connector is double-headed, one end is connected to the internal circuit of the electric kettle, and the other end is plugged into an external power socket. The connector of the temperature sensor line is usually a small plug-in connector. The specifications and colors vary from manufacturer to manufacturer. It is generally 2-core or 3-core with a short length and is connected between the temperature sensor and the control circuit board.
coffee machine
Wiring name and purpose: there is a power cord to supply power to the coffee machine; heating element connection line, connected to the heating tube or heating wire for heating water or coffee; water pump motor line to control the water pump to extract water; there are also some sensor lines, such as water level sensor line, temperature sensor line, etc., used to monitor and control the working state of the coffee machine.
connector and specifications: the power plug connector is similar to the electric kettle, mostly 10A, 250V 3-core plug, color standard is the same. The connectors of the heating element connection line and the water pump motor line are generally small terminals or plug-in connectors. The specifications are determined according to the power of the coffee machine, and can usually withstand 3-10A current, and the color has no uniform standard. The number of cores is generally 2 cores or 3 cores, and the length is determined according to the internal structure of the coffee machine, ranging from 10 to 50cm. The connector of the sensor line is also a small plug-in type, with small specifications, 1 – 3 cores, short length, several centimeters to more than ten centimeters. Most of the connectors of these wires are double-headed, respectively connecting the corresponding components and the circuit board or power interface.
juicer
Wiring name and purpose: mainly the power cord, which provides power for the motor of the juicer; There is also a motor connection line to connect the motor and the control circuit.
connector and specification: the power plug is generally 10A, 250V 2-core or 3-core plug (3-core with ground wire), the 2-core live wire is brown or red, and the neutral wire is blue; The 3-core ground wire is yellow and green. The length is generally 1 – 1.5 meters. The connector of the motor cable is a small terminal or plug-in, which can withstand 3-5A current. The number of cores is 2 cores, the color is usually black or white, and the length is about 10 – 30cm according to the internal layout of the juicer. The connector is double-headed, which is connected to the motor and the control circuit board or the power input port respectively.
Mixer
Wiring Name and Purpose: Similar to juicer, it has power cord and motor connection line, and some mixers may also have speed control line, etc.
Connector and specifications: The specifications and colors of the power plug are the same as those of the juicer. The connector of the motor connection line and the speed control line is generally a small plug-in or terminal, which can withstand 3-10A current, with 2 – 4 cores, no fixed color standard, and the length is about 10 – 50cm. The connectors of these wires are double-headed, connecting related components such as motors, governors and control circuit boards.
bread machine
Wiring name and use: there are power cord, heating pipe connection line, motor connection line (motor for mixing and kneading), temperature sensor line and timer control line, etc.
Connector and specifications: The power plug is usually a 3-core plug of 10A and 250V, and the color follows the standard. The connectors of the heating tube connecting line and the motor connecting line are generally terminals or plug-ins that can withstand 5-10A current, with 2 cores or 3 cores, various colors and a length of 10 – 50cm. The connector of the temperature sensor line and the timer control line is a small plug-in, with 1 – 3 cores and a short length of several centimeters to more than ten centimeters. The connectors are all double-headed, which are respectively connected to the corresponding components and the control circuit or power interface of the bread maker.
rice cooker
wiring: including power cord, heating plate connection line, insulation sheet connection line, temperature sensor line and control circuit board connection line.
connectors and specifications: power plugs are mostly 3-core plugs of 10A and 250V. The connector of the heating plate connection line and the insulation plate connection line can generally withstand 5-10A current, the number of cores is 2 cores, the color is usually black or red, and the length is 10 – 40cm. The connector of the temperature sensor wire is a small plug-in, with 2 – 3 cores and a short length. The connector of the control circuit board cable depends on the interface type of the circuit board. There are various specifications of plug-in or cable connectors, and the number of cores and colors vary from product to product. The connectors of these wires are double-headed, connecting the various components with the control circuit and power input part of the rice cooker.
air fryer
Wiring name and purpose: there are power cord, heating tube connection line, fan motor connection line, temperature sensor line and control circuit board connection line, etc.
connector and specifications: power plug is generally 10A, 250V 3-core plug. The connector of the heating tube connecting line and the fan motor connecting line can withstand 5-10A current, the number of cores is 2 cores or 3 cores, the color has no fixed standard, and the length is 10 – 50cm. The connector of the temperature sensor line and the control circuit board connection line is a small plug-in or cable connector, the number of cores and color are determined according to the specific design, and the length is short. The connector is double-ended, which connects the corresponding parts with the control circuit and power interface of the air fryer respectively.
Slow Cooker
Wiring name and use: mainly power cord, heating element connection line, temperature controller connection line, etc.
connector and specifications: power plug is usually 10A, 250V 3-pin plug. The connector of the heating element connection line can generally withstand 3-8A current, the number of cores is 2 cores, the color is mostly black or red, and the length is 10 – 30cm. The connector of the temperature controller cable is a small plug-in, with 2 – 3 cores and short length. The connectors of these wires are double-ended, connecting the heating element, temperature controller and the power interface or control circuit of the slow cooker.
The following is some information about the internal wiring of common large kitchen appliances:
Refrigerator
Wiring name and purpose: mainly has a power cord, used to connect an external power supply to supply power to the refrigerator; compressor line, connected to the compressor, to control its operation; sensor line, used to connect temperature sensors, etc., to transmit temperature and other signals to achieve temperature Control and other functions.
Connectors and specifications: usually use plastic plug-in connectors. Connector specifications vary from refrigerator model to refrigerator model, the general withstand voltage is above 250V, the current carrying capacity is different according to the refrigerator power, the common 10A-16A.
length, color and number of cores: The length of the power cord is generally about 1.5 – 2 meters, mostly black or white, usually three-core wires, respectively, live wire (brown or red), neutral wire (blue) and ground wire (yellow-green double color). The length of the compressor line and the sensor line is determined according to the internal structure of the refrigerator. There is no uniform color standard. The compressor line is generally two-core or three-core, and the number of sensor cores may vary from one core to multiple cores.
connection mode: the power cord is connected to the external socket through the plug, and the internal compressor line and sensor line are respectively connected to the compressor, sensor and other components through the corresponding connectors, mostly double-headed connectors, one end is connected to electrical components, The other end is connected to the control board or power board.
Oven
wiring: there is a heating pipe connection line, which is used to supply power to the heating pipe to generate heat. Temperature sensor line to monitor the temperature in the oven; Control line, connected to the control circuit and various functional components, realizes temperature setting, timing and other functions.
Connectors and specifications: The connector of the heating pipe connection line can usually withstand a large current, the specification is generally 16A-32A, and the withstand voltage is above 250V. The connectors of the temperature sensor line and the control line are small, the withstand voltage is generally 50V – 100V, and the current carrying capacity is about 1A-5A.
length, color and number of cores: the length of the heating pipe connection line depends on the size of the oven and the layout of the heating pipe, usually 0.5 – 1.5 meters, the color is mostly red or black, usually two or three cores. The length of the temperature sensor line and the control line is short, generally 0.2 – 0.5 meters, the color has no fixed standard, and the number of cores is generally 2 – 4 cores.
connection mode: the heating tube connection line is connected to the heating tube and the power board through the connector, and the temperature sensor line and the control line are respectively connected to the sensor, the control button and the control board, mostly double-headed connectors.
microwave oven
wiring: mainly magnetron connection line, which provides high voltage for magnetron to generate microwave; power line, connected to external power supply; control board connection line, transmitting control signals to realize various functions.
Connectors and specifications: The connectors of magnetron connection lines need to withstand high voltage, and the specifications are generally above 1000V and 5A-10A current carrying capacity. The power cord connector is similar to the refrigerator, 10A-16A, 250V or more. The connector of the control board connection line has a withstand voltage of 50V – 100V and a current of 1A-3A.
length, color and number of cores: the length of the magnetron connection line is generally 0.3 – 0.8 meters, mostly high-voltage insulated wires, the color is usually black, generally two cores. The length of the power cord is about 1.5 – 2 meters, and the color and core number are similar to those of the refrigerator power cord. The length of the control board connection line is short, 0.1 – 0.3 meters, the color is diverse, and the number of cores is generally 3 – 6 cores.
Connection mode: one end of the magnetron connection line is connected to the magnetron, and the other end is connected to the high-voltage transformer and the power board. The power cord is connected to an external socket and the internal power input of the microwave oven. The control board connection line connects the control board with various functional components, such as keys, display screens, sensors, etc., and is mostly a double-headed connector.
Dishwasher
Wiring name and purpose: there is a motor connecting line to drive the water pump and washing motor of the dishwasher; The heating pipe connecting line supplies power to the heating pipe for heating water. Sensor line to monitor water level, water temperature and other parameters; The power cord is connected to the external power supply.
Connectors and specifications: The connectors of the motor connection line and the heating tube connection line can generally withstand 10A-16A current and withstand voltage of 250V or more. Sensor line connector withstand voltage 50V – 100V, current 1A-3A.
length, color and number of cores: The length of the motor connection line and the heating pipe connection line depends on the internal structure of the dishwasher, usually 0.5 – 1.2 meters, the color is mostly black or red, usually two or three cores. The length of the sensor line is short, 0.2 – 0.5 meters, the color is not fixed, and the number of cores is generally 2 – 4. The length of the power cord is 1.5 – 2 meters, and the color and core number are similar to those of the refrigerator power cord.
connection mode: the motor connection line is connected to the motor and the control board or the power board, the heating pipe connection line is connected to the heating pipe and the power board, the sensor line is connected to the sensor and the control board, and the power line is connected to the external socket and the internal power supply module of the dishwasher. The two-head connector is mainly used.
Range Hood
Wiring name and purpose: motor connection line, used to drive the motor of the range hood to rotate the fan; lighting line, to supply power to the lighting of the range hood; control line, to connect the control switch with the motor, lighting and other components to achieve wind speed adjustment, Lighting switch and other functions.
Connector and specifications: The connector of the motor connection line can generally withstand 5A-10A current and withstand voltage of 250V or more. The connectors of the lighting line and the control line are small, with a withstand voltage of 50V – 100V and a current of 1A-3A.
length, color and number of cores: The length of the motor connection line is generally 0.5 – 1 meters, and the color is mostly black or brown, usually two or three cores. The length of the lighting line is short, 0.1 – 0.3 meters, the color is mostly white or yellow, generally two cores. The length of the control line is determined according to the actual layout, 0.2 – 0.6 meters, various colors, and the number of cores is generally 3 – 5 cores.
connection mode: the motor connection line is connected to the motor and the control board or the power board, the lighting line is connected to the bulb and the control board or the power board, the control line is connected to the control switch and the motor, lighting and other components, and the double-head connector is mostly used.
The above information is only a common situation, and different brands and models of kitchen appliances may differ in the specific details of internal wiring.