Major electrical hazards
High-voltage arcs can also produce considerable pressure waves by rapidly heating the air and creating a blast
what is an Arc blast
combination of heat fuel and oxygen
What is a fire
substances, such as dry wood, rubber, glass and Bakelite, that have high resistance to electricity
what is Insulators
ensure all ______ is inspected before use and remove,repair or replace if faulty.
What is equipment
movement
of the free electrons between
atoms
what is Electricity
Occur when electricity ignites explosive mixture of material in the air
what is an explosion
Most common shock-related injury
what is a burn
method used to prevent energy from being released
What is lockout/tagout
ensure properly labeled and isolated
what are all electrical parts.
Measurement of electrical force
what is voltage
metal Ladders, powerlines, Airiel lifts, faulty wiring, faulty equipment, warn extension cords, lightning,
what are potential pathways for being shocked.
Results when a human is exposed to an amount of electrical energy which can be fatal.
what is Electrocution
when working a safe distance to maintain from powerlines.
what is 10 feet if 50 volts or less 15 feet up to 200 volts and 20 ft for up to 350 volts. If more than that stay the hell away.
Ensure that all electrical parts are protected by these if within 6 feet of a water source.
What is a Ground fault circuit interrupter (GFCI)
Opposition to current flow
What is resistance
The occurrence of a natural electrical discharge of very short duration and high voltage between a cloud and the ground
What is lightning
Body becomes part of electrical circuit or
Reflex response to passage of electric current through the body.
what is shock
Designed to protect people from electrical shock
Detects ground faults and interrupts electric current
Limits duration of electrical shock
What is a ground fault circuit interrupter (GFCI)
Required every three years for employees who could be potentially exposed to electrical hazards or when a new piece of electrical equipment is introduced in the workplace.
What is training
substances, such as metals, that have little resistance to electricity
what is a Conductor
_____________ that goes from a larger gauge to a smaller gauge
what is wiring.
Sudden release of electrical energy through air when a high-voltage gap exists and there is a breakdown between conductors
what is an •Arc flash
Mark all breakers accordingly for the circuits they protect
Mark all disconnect means accordingly for the equipment they service
Identify all voltages with proper labeling
What is electrical protection methods.
ensure that properly rated __________ are available in the workplace for use.
what is flexible cords and power strips.
a conductive connection to the earth which acts as a protective measure.
what is grounding Grounding