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Induction
Induction is the process of generating an electric current or magnetic field without direct contact, usually through the influence of a changing magnetic field. This concept is fundamental in electromagnetism… Read More »Induction
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Glossary
Discover the Sparkie’s Glossary by expert electricians! This comprehensive guide is your go-to resource for understanding essential electrical terms and concepts. We’ve crafted clear and straight forward definitions to help you make sense of the electrical jargon. With our glossary, you’ll gain confidence and knowledge, making electrical topics more accessible and less daunting. Because we are PortSparky and love what we are doing!
Insulators
Electrical insulators are materials that resist the flow of electric current. They do not allow electrons to move freely through them, making them essential for safely managing electricity in various… Read More »Insulators
Kilowatt-hour (kWh)
A kilowatt-hour (kWh) is a unit of energy commonly used to measure electricity consumption in Australia. It represents the amount of energy used by a device with a power rating… Read More »Kilowatt-hour (kWh)
Light Socket Adapter
A light socket adapter is a device that allows for the modification or expansion of existing light sockets in Australian homes and businesses. These adapters can convert a standard light… Read More »Light Socket Adapter
Master Electrician
A Master Electrician in Australia is a highly skilled and experienced professional who has achieved a significant level of expertise and certification in the electrical industry. The title “Master Electrician”… Read More »Master Electrician
NECA (National Electrical and Communications Association)
The National Electrical and Communications Association (NECA) is the peak industry body representing electrical and communications contractors in Australia. NECA provides advocacy, education, and support to its members, which include… Read More »NECA (National Electrical and Communications Association)
Ohms (symbol: Ω)
Ohms (symbol: Ω) is the unit used to measure electrical resistance, which is the opposition that a material or component offers to the flow of electric current. The concept of… Read More »Ohms (symbol: Ω)
Ohms Law
Ohm’s Law is a fundamental principle in electricity that explains the relationship between voltage, current, and resistance in an electrical circuit. It states that the current flowing through a circuit… Read More »Ohms Law
Parallel Circuit
A parallel circuit is a type of electrical circuit where multiple paths are available for current to flow. In this setup, components like light bulbs or resistors are connected across… Read More »Parallel Circuit
Polarity
Polarity in electricity refers to the direction or orientation of electrical charges in a circuit. It determines which terminal is positive (+) and which is negative (−). In a direct… Read More »Polarity
Power Factor
Power factor is a measure of how effectively electrical power is being used in a system. It is a ratio, expressed as a number between 0 and 1 (or as… Read More »Power Factor
Relay
A relay is an electromechanical or electronic device used to control one electrical circuit by opening and closing contacts in another circuit. It functions as a switch that is operated… Read More »Relay
Safety Switches (RCDs)
Safety switches, also known as Residual Current Devices (RCDs), are critical safety devices designed to protect individuals from electric shock and prevent electrical fires. In Australia, including Port Macquarie, NSW,… Read More »Safety Switches (RCDs)
Short Circuit
A short circuit is an electrical fault that occurs when electricity takes an unintended path with little or no resistance. Instead of flowing through the intended circuit—such as a light,… Read More »Short Circuit
Single-Phase Power
Single-phase power is a type of electrical power distribution commonly used in residential and small commercial buildings in Australia. It refers to a system where electrical power is delivered through… Read More »Single-Phase Power
Surge Protector
A surge protector is an electrical device designed to protect electrical equipment from voltage spikes and surges, which can be caused by lightning strikes, power outages, or other disruptions in… Read More »Surge Protector
Switchboard
A switchboard is a central component of an electrical installation, responsible for distributing electricity from the main supply to various circuits within a building. In Australia, switchboards are designed and… Read More »Switchboard
Three-Phase Load
A three-phase load refers to an electrical system that uses three separate alternating currents (AC) phases to distribute power. This type of power distribution is commonly used in commercial and… Read More »Three-Phase Load
Three Phase Voltage
3 phase voltage refers to a method of electrical power distribution using three alternating currents, each set 120 degrees apart. Common in industrial and commercial settings, 3 phase voltage delivers… Read More »Three Phase Voltage
Voltage tester
A voltage tester is a tool used to detect the presence or absence of electrical voltage in circuits, outlets, wires, and devices. It helps identify live wires and verify that… Read More »Voltage tester
Volts
Volts are a unit used to measure voltage, which is the “pressure” that pushes electricity through a circuit. To understand volts, think of it like water in a pipe. Imagine… Read More »Volts
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