Electrical safety is very important to the lives of electrical workers. While electricity plays an important role in our everyday lives, it also has the capability to seriously injure or kill a human being. Here are a few essential terms that you’ll find when dealing with electrical safety.
Arc Blast: An explosion of molten material from electrical equipment as a result of high-amperage arcs
Arc Flash: An electrical spark and bright electrical discharge that occurs through the air when large amounts of electricity is present in a gap between conductors
Bonding: Electrical parts that join together to complete a conductive path
Circuit: A complete path of electrical current
Circuit breaker: An electrical device that automatically cuts off electrical current in a circuit when an overload happens
De-energize: The process of the switching off and depleting stored energy sources to equipment and circuits
Energized: Live electrical equipment with available voltage that can produce a current and thus compromising a person
Ground: A direct electrical pathway to the earth
Ground Fault: An electrical current that is lost from the circuit and is instead directed to the ground
Lock-out: A physical lock applied to electrical equipment and electrical circuits once they’re turned off and de-energized
Qualified person: A person who has received the required training on electrical hazards and on the operation and the construction of the equipment for the job
Overload: An overflow of electrical current in a circuit
Personal Protective Equipment (PPE) Devices: Worn by workers for face, eye, head, hand, foot, respiratory, arm, leg, body, and fall protection
Resistance: The material’s ability to cease or decrease electrical current
Shocking current: The electricity that goes through the entire or part of the human body
Tag-out: Tags applied to locked electrical equipment informing workers that equipment and circuits are locked out
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