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What three devices are usually found in series with the Y terminal of a low voltage control circuit?
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How are loads or power-consuming devices usually wired?
Loads or power-consuming devices are usually wired
What is the combination starter?
A combination starter usually applies to Motors.It is a Motor Starter that has some sort of motor protection within its circuitry, i.e. fuses, or circuit breakers.They typically contain Fuses, or Circuit Breakers, contactors, motor protection (in the form of Overload Heater-similar to circuit breakers, but may specifically for devices that draw a lot of current for a brief period).Combo starters may also feature Forward or reverse starting configurations, and push buttons for On/Off Control.Combo starters can be contained in a single enclosure, and combo starters can usually be found within MCCs (Motor Control Centers).
How do you switch a contactor?
Provide a low current (and in some cases low voltage) feed to the coil. Find the input terminal usually marked up with a number that corresponds to a box symbol printed on the device, the other numbered terminal to the box symbol is the neutral. The idea is that larger current consuming devices can be switched on and off with smaller switches, sensors.
Where do usually series circuit used?
Series circuits are used in areas where the operation of the circuit is required to be linear.
What is the name of a series circuit?
An electric circuit connected so that current passes through each circuit element in turn without branching.
What circuit protector?
It is usually classed as a device that will open the circuit if the current in the circuit goes high. Two examples of these types of devices are fuses and circuit breakers.
What is the purpose of a branch circuit?
To supply power to all electrical devices in a house, apartment, condominium, etc. A branch circuit is connected to the circuit breaker panel which is usually found in a closet or a cupboard
What can cause unwanted or high resistance in a automotive circuit?
Unwanted or high resistance in a automotive circuit is usually caused by corrosion around terminal points. Start at the battery terminal connections and work your way through the circuit cleaning any terminal corrosion that you see. Take the termination apart and clean the faces that touch each other. If possible tape the joint to keep air from the connection as it is this oxidation that is the main culprit.
What happpened when you give dc supply to ac devices?
Usually it blows the circuit-breaker and it might also ruin the appliance.
What end does electrons flow in a circuit?
the positive side, the negative side is usually just a ground
What is the purpose of branch?
To supply power to all electrical devices in a house, apartment, condominium, etc. A branch circuit is connected to the circuit breaker panel which is usually found in a closet or a cupboard
What is the purpose of a branch?
To supply power to all electrical devices in a house, apartment, condominium, etc. A branch circuit is connected to the circuit breaker panel which is usually found in a closet or a cupboard
Which one is ground terminal on H3 bulb?
The ground terminal on an H3 bulb is typically the metal tab or contact on the base of the bulb. It is usually connected to the vehicle's grounding system to complete the electrical circuit.
Why is there a positive and negative terminal in electical device?
there are positive and negative terminal in electrical device who operate on dc power supply because they wont work if the connection is reversed. but devices who operate on ac usually dosenot have polarity marks .
Can a zener diode be used as rectifier diode?
Yes it can be done. Usually, this type of diode is called zener shunt voltage regulator or shunt references; it can be a 2 or 3-terminal device. Two terminal devices rely only on the zener b2b tunneling quantum breakdown effect for generating a fixed voltage drop. Three terminal devices work in closed loop: you put a voltage divider at the output and feed the divided voltage to the additional "control terminal", so that a closed loop is used to compensate temperature and load variations. You can check LM4041 datasheet as an example.
Is a circuit breaker better than a glass fuse?
Each device has its own special use. Glass fuses can protect circuit at very low amperages. They are usually used to protect printed circuit boards and control panel circuits. Breakers protect circuits from short circuits and overloads. These devices are used in service distribution panels to protect the wires that feed the loads. Circuit breakers can be from 15 amps up into the thousands of amps.
What path allows most of the current in an electric circuit to flow around or away from the principal elements or devices in the circuit?
Usually instead of trying to detour most of the power, a resistor is used, which decreases the voltage.
