Power

Electrical Safety

The practices used to prevent injury when working with electricity

Voltage

The electrical pressure that pushes electrons through a circuit

Amperes (Amps)

The rate of electron flow through a circuit

Watts

A measurement of total electrical power consumption

Electrical Power

The energy used by electrical devices

Capacitor

A component that stores electrical energy

Stored Charge

Electrical energy retained in a component after power is disconnected

CRT Monitor

Cathode Ray Tube monitor capable of retaining dangerous electrical charges

Alternating Current (AC)

Electrical current that periodically changes direction

Direct Current (DC)

Electrical current that flows in one direction

AC Power

The standard electrical power supplied by wall outlets

DC Power

The type of electrical power used internally by electronic devices

Power Supply

A device that converts AC power into DC power for electronics

Electrical Circuit

A path that allows electricity to flow

Power Consumption

The amount of electrical energy used by a device

Electron Flow

The movement of electrons through a conductor

Water Hose Analogy

A comparison used to explain electrical concepts like voltage and current

Uninterruptible Power Supply (UPS)

A device providing backup power during outages

Offline UPS

A UPS that switches to battery power only during a power failure

Line-Interactive UPS

A UPS that regulates voltage and provides backup power during outages

Online UPS

A UPS that continuously powers devices through its battery system

Battery Backup

A power source used during electrical outages

Power Protection

Methods used to protect equipment from power issues

Power Outage

A loss of electrical power

System Uptime

The amount of time a system remains operational

Power Distribution Unit (PDU)

A device used to distribute electrical power to equipment

Remote Power Management

The ability to monitor and control power systems remotely

Rack Power Distribution

The delivery of electrical power within an equipment rack

Electrical Pressure

Another term for voltage

Electrical Current

The flow of electric charge through a circuit

Power Regulation

The process of maintaining stable electrical power

Electrical Conductor

A material that allows electricity to flow easily

Electrical Load

The amount of power consumed by connected devices

Backup Power

A secondary power source used during outages

Power Infrastructure

The systems and devices used to deliver electrical power