An outlet is a point in a building where electrical devices can be plugged in to receive power. It provides access to electricity from the main power supply to power appliances, lights, and other electrical equipment. Outlets are typically installed in walls and come in different types, such as standard, grounded, or specialized outlets for certain devices. They are commonly found in homes, offices, and other buildings and are a crucial part of any electrical system.

What is an "outlet"?

outlet

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An outlet box is a protective container installed in a wall or ceiling to hold electrical outlets or switches. It serves as the housing for the wiring connections and the electrical components of an outlet, ensuring safety and stability. The outlet box is usually made of metal or plastic and helps prevent electrical shocks or fires by containing the wiring securely. It also provides a mounting point for the outlet or switch, ensuring that the device is properly installed and accessible.

What is an "outlet box"?

outlet box

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A junction box is a container used to house electrical connections, where multiple wires meet and are joined together. It helps to protect the connections from damage and prevents electrical hazards such as short circuits or fires. Junction boxes are typically made of metal or plastic and are installed in walls, ceilings, or floors. They are designed to be accessible for maintenance or repair, ensuring that wires remain secure and properly insulated. The box also helps to contain sparks or heat that may occur during electrical faults.

What is a "junction box"?

junction box

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A plug is a device used to connect an electrical appliance to a power source, allowing electricity to flow into the appliance. It typically consists of metal pins or prongs that fit into an outlet. Plugs come in different shapes and sizes depending on the type of outlet and the region where they are used. The plug is designed to ensure a safe and secure connection, preventing electrical shocks or short circuits. It can be attached to various electrical cords, powering devices such as lamps, computers, or kitchen appliances.

What is a "plug"?

plug

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A receptacle is an opening in an outlet into which a plug is inserted to connect an electrical appliance or device to a power supply. It allows the flow of electricity from the electrical system to the appliance, enabling it to function. Receptacles are commonly found in walls or other surfaces and come in various types to accommodate different plugs and electrical standards. They are designed to ensure a safe and secure connection while providing access to electricity for various devices like lights, phones, and appliances.

What is a "receptacle"?

receptacle

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A dimmer switch is a type of electrical switch used to adjust the brightness of a light. Instead of simply turning the light on or off, a dimmer switch allows for gradual control over how much light is emitted, giving users the ability to create a desired atmosphere or conserve energy. Dimmer switches can be used with various types of light bulbs, including incandescent, LED, or fluorescent, depending on the model. They are commonly installed in living rooms, bedrooms, and dining areas to adjust lighting levels to suit different needs or moods.

What is a "dimmer switch"?

dimmer switch

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A switch is a device used to open or close an electrical circuit, allowing the flow of electricity to be turned on or off. It is commonly used to control various electrical appliances, such as lights, fans, and other devices. Switches come in different types, including toggle, rocker, and push-button, and can be installed in walls, outlets, or directly on appliances. They are an essential part of any electrical system, providing an easy way to control power and ensure safety. Switches are usually simple to operate and can be found in nearly every room of a building.

What is a "switch"?

switch

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A circuit breaker is an electrical safety device designed to protect an electrical circuit from damage caused by overload or short circuit. It automatically interrupts the flow of electricity when it detects an issue, preventing wires and devices from overheating or catching fire. Circuit breakers are typically installed in a home's electrical panel and can be reset after being tripped. They come in various sizes and ratings to handle different amounts of electrical current, ensuring safe operation of household or industrial electrical systems.

What is a "circuit breaker"?

circuit breaker

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cable

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Wiring refers to the system of electrical cables and connections used to carry electricity throughout a building or structure. It includes the various wires, connectors, and other components that allow electrical devices, lights, and appliances to function. Wiring is typically installed within walls, ceilings, or floors and is designed to provide safe and reliable power to different areas of a building. It can vary in type, such as copper or aluminum, and may be covered in insulation to prevent electrical hazards. Proper wiring is essential for the safe and efficient operation of electrical systems.

What is "wiring"?

wiring

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A fuse box is a safety device in a building's electrical system that contains fuses to protect circuits from overloading or short-circuiting. It is where the main electrical connections are made and distributes electricity to different parts of the building. The fuses inside the box act as protective switches, automatically cutting off the power to a circuit if it becomes overloaded, preventing damage or fire. The fuse box is typically located in a central area of the home, such as a basement or utility room, and is crucial for maintaining electrical safety.

What is a "fuse box"?

fuse box

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An electrical panel is a metal box that houses the circuit breakers or fuses for a building's electrical system. It controls the distribution of electricity to different areas of the building and helps protect the system from overloads or short circuits. The electrical panel is usually located in a basement, garage, or utility room and allows easy access for maintenance and upgrades.

What is an "electrical panel"?

electrical panel

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Cable television is a system that delivers television programming to viewers through special cables. It provides access to a variety of channels, including news, entertainment, sports, and other types of content, often with options for premium channels or on-demand services. Subscribers typically pay a monthly fee for access to these services, and cable TV systems are usually connected to the home via a cable box or digital receiver. Cable television is commonly used in urban and suburban areas and offers more channel variety than traditional over-the-air broadcasting.

What is "cable television"?

cable television

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A coaxial cable is a type of electrical cable that consists of a central conductor, an insulating layer, a metal shield, and an outer protective covering. It is commonly used for transmitting television signals, internet data, and other forms of communication. The central conductor is usually made of copper and carries the signal, while the metal shield helps protect the signal from interference. Coaxial cables are known for their durability and ability to transmit signals over long distances with minimal loss, making them widely used in both residential and commercial settings.

What is a "coaxial cable"?

coaxial cable

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wire

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An underground feeder cable is a type of electrical cable designed for use in outdoor and underground installations, typically for carrying power from a source to buildings or other structures. This cable is made with strong insulation to protect it from moisture, soil, and physical damage. It is often used for connecting electrical systems to remote or outdoor areas, such as a shed, garage, or outdoor lighting. The cable is buried underground to ensure safety and prevent exposure to weather elements. It is commonly used in both residential and commercial electrical setups.

What is an "underground feeder cable"?

underground feeder cable

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Armored cable is a type of electrical cable designed with a protective metal layer, often made of steel or aluminum, around the insulated wires inside. This metal shielding provides extra durability and protection against physical damage, such as impacts, cuts, or exposure to harsh environmental conditions. Armored cables are commonly used in construction or industrial settings where the wiring may be exposed to heavy machinery or outdoor elements. They are also used in areas requiring additional safety, such as underground installations or in places where fire resistance is important.

What is "armored cable"?

armored cable

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Low-voltage wire is a type of electrical wire used for systems that operate on a lower voltage than typical household wiring, often under 50 volts. It is commonly used in applications such as landscape lighting, doorbells, security systems, and telecommunications. This type of wire is designed to be safe and efficient for powering devices that do not require a high electrical load. Low-voltage wires are often insulated for protection and come in various sizes depending on the needs of the system. They are a popular choice for outdoor and low-power devices.

What is a "low-voltage wire"?

low-voltage wire

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A live wire is an electrical wire that carries an active electrical current. It is typically the wire that is connected to the power source and is responsible for supplying electricity to devices or systems. A live wire can be dangerous to touch as it carries voltage that can result in electrical shock or fire hazards. To avoid accidents, live wires are often insulated and marked clearly in electrical systems. It is important to handle live wires with care and ensure they are properly maintained and secured to prevent accidental contact or short circuits.

What is a "live wire"?

live wire

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A neutral wire is an electrical wire that carries the return current back to the electrical panel and completes the circuit in an electrical system. It is typically colored white or gray and works in conjunction with the live or hot wire to ensure the safe flow of electricity. The neutral wire helps balance the electrical system by providing a path for the current to return to the source, preventing overloads or interruptions. In a properly functioning circuit, the neutral wire should carry little or no voltage under normal conditions.

What is a "neutral wire"?

neutral wire

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An earth wire, also known as a ground wire, is a safety feature in electrical systems that directs any stray electrical current away from a device or circuit and into the ground. This prevents electric shocks and helps protect both people and equipment from electrical faults. The earth wire is typically color-coded green or green with yellow stripes in many systems. It provides a safe path for electricity to flow if there is a fault, such as a short circuit, preventing potential hazards. The earth wire plays a crucial role in ensuring electrical safety in homes and buildings.

What is an "earth wire"?

earth wire

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An emergency power system is a backup electrical system that provides power during a failure of the main electricity supply. These systems typically include generators or batteries that automatically activate when there is a power outage, ensuring that critical systems, such as lights, medical equipment, or safety systems, continue to function. Emergency power systems are essential in places like hospitals, data centers, and buildings with high safety needs. They help prevent disruptions and ensure the safety and comfort of individuals, especially in situations where power loss can lead to significant risks.

What is an "emergency power system"?

emergency power system

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A surge protector is a device that helps protect electrical equipment from power surges or spikes. These surges can happen due to lightning strikes, power outages, or sudden changes in electrical demand. A surge protector works by redirecting excess electricity away from sensitive devices, preventing damage. It is commonly used for electronics like computers, televisions, and home appliances. Surge protectors can be built into power strips or be standalone devices, and they are an important safety feature to avoid costly damage to valuable equipment.

What is a "surge protector"?

surge protector

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An arc-fault circuit interrupter (AFCI) is a safety device designed to detect and prevent electrical fires caused by arc faults. An arc fault occurs when electricity jumps across a gap in a circuit, which can cause sparks or heat, leading to fires. The AFCI monitors the electrical circuit for signs of these dangerous arcs and automatically shuts off the power when detected. This device is commonly installed in outlets, circuit breakers, or fuse panels and is used to protect homes and buildings, particularly in areas like bedrooms and living rooms where electrical fires are more likely to occur.

What is an "arc-fault circuit interrupter"?

arc-fault circuit interrupter

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A subpanel is a smaller electrical panel that is connected to the main electrical panel of a building. It is used to distribute electricity to a specific area or section of the building, such as a garage, basement, or an addition. A subpanel helps reduce the load on the main panel and provides easier access to circuit breakers for specific areas, making electrical management more efficient. It is typically connected by a power cable to the main panel and can contain its own set of breakers for controlling power in the designated area.

What is a "subpanel"?

subpanel

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A grounding system is an electrical safety feature that connects the electrical system of a building or device to the earth. It helps protect people from electric shocks by providing a safe path for excess electricity to flow into the ground in case of a fault or malfunction. The system typically includes ground rods, wires, and other components that ensure the electrical system remains stable and safe. By directing electrical surges or stray currents to the ground, it helps prevent damage to equipment and reduces the risk of fires or injury.

What is a "grounding system"?

grounding system

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A service entrance is the point where electrical power enters a building from the utility grid. It includes the service drop, which carries the power lines, and the meter that measures electricity usage. This entrance typically leads to a panel or circuit breaker system, which helps distribute electricity throughout the building. The service entrance is an important part of a building's electrical system, ensuring that power is safely delivered and monitored. It is usually located on the exterior of the building, often near the main electrical panel.

What is a "service entrance"?

service entrance

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A meter base is a device that houses the electrical meter, which measures the amount of electricity used by a building or home. It is typically installed on the exterior of a building, providing a secure place for the utility company to attach the meter. The meter base also connects the building’s electrical system to the power supply from the utility company. It is important for ensuring accurate measurement of electricity consumption and for safety, as it includes features like grounding and protection from weather.

What is a "meter base"?

meter base

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Here you will learn some English words related to the electrical system such as "outlet", "receptacle", and "switch".

English Words for "Electrical System"