18 Questions
What can cause electrical shock?
Completing a circuit with one wire of an energized circuit and the ground
When can a metal part cause electrical shock?
When it accidentally becomes energized due to a break in its insulation
What is required for electrical shock to occur in a circuit with both wires energized?
Completing a circuit with the body
What is the most common type of injury related to electric shock?
Thermal or Contact Burns
How are Arc or Flash Burns caused?
By high temperatures caused by an electric arc or explosion near the body
What is the immediate medical attention required for?
Electrical Burns
What does incident energy measure during an electrical arc event?
Thermal energy impressed on a surface
In what unit is incident energy typically expressed?
Calories per square centimeter (cal/cm2)
What is the purpose of expressing incident energy in cal/cm2?
To quantify the thermal impact of an electrical arc event
What does incident energy measure during an electrical arc event?
Thermal energy impressed on a surface
In what unit is incident energy typically expressed?
Calories per square centimeter (cal/cm2)
What is the purpose of expressing incident energy in cal/cm2?
To indicate the potential for thermal burns
Is incident energy typically expressed in calories per square centimeter (cal/cm2)?
True
Is incident energy the amount of thermal energy impressed on a surface during an electrical arc event?
True
Is the working distance the distance from the source where incident energy is measured during an electrical arc event?
True
What is the purpose of proper insulation in electrical work?
Prevent exposures or defects in wire insulation to ensure suitability for voltage used
What is the primary function of signage in electrical rooms and guarded locations?
Alert personnel to electrical hazards
Why is it important to de-energize electric equipment before inspection or repair?
To prevent accidental contact with energized components
Test your knowledge of electrical safety with this quiz on the causes of electrical shock. Identify the different scenarios that can result in electrical shock, including completing a current circuit with one or both wires, accidental contact with energized metal parts, and more.
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