Electrical Components and Equipment
This is an object that connects a piece of electrical equipment to the ground
What is the gductorround con
The basic unit of measurement for resistance and is represented by the Omega symbol.
What is an Ohm?
What color wire is typically used for grounding in electrical systems?
Green or bare copper
Name the three (3) recognized electrical hazards that can cause injury or death while a person works on or near electrical equipment or systems.
What are ELECTRIC SHOCK, ARC FLASH, ARC BLAST
What should you do before working on an electrical item?
Cut off power
AN ELECTRICAL SAFETY DEVICE THAT MELTS WHEN TOO MUCH CURRENT FLOWS THROUGH IT AND PROVIDES OVER-CURRENT PROTECTION OF AN ELECTRICAL CIRCUIT
WHAT IS A FUSE
The basic unit of measurement for electrical current.
What is an Ampere?
A device that protects people and equipment by de-energizing a circuit within an established period of time when a ground fault current exceeds the values established for a Class A device.
Other receptacle downstream the GFCI if wired correctly.
What is a Ground Fault Circuit Interrupter (GFCI)?
Contact with bare energized electrical conductive parts, causing current flow through the body that results in a failure of body functions and leads to death is best described as ______________?
What is ELECTROCUTION
Gloves used for electrical protection must be electrically tested every_____?
6 months
A material through which it is to maintain an electric current.
What is a Conductor?
What kind of current comes from a battery?
Direct Current (DC)
The light and heat produced from an electric arc that has enough electrical energy to cause substantial damage, fire, and even injury.
What is an Arc Flash?
__________ is capable of identifying existing and predictable hazards in the surroundings or working conditions
Competent Person
What is the established minimum distance approach boundary for work around exposed power lines?
10 ft
What wire connects to the bronze terminals?
Hot Wire
An electrical property that opposes the flow of current through a circuit and is measured in Ohms.
What is Resistance?
What is the purpose of a lockout/tagout procedure?
To ensure that electrical equipment is properly shut off and not started up again before the completion of maintenance or repair work.
The standards set forth for the Electrical Safety-Related Work Practices are found in ________?
What is the NFPA 70E
One who has skills and knowledge related to the construction and operation of the electrical equipment and installations and has received safety training to recognize and avoid the hazards involved.
A qualified person
A metallic strip or bar usually housed inside of a panel box for the distribution of electricity
What is the buss bar
The driving force that makes current flow in a circuit and it's also referred to as electrical pressure, electromotive force, or potential difference.
What is Voltage?
SHOCKING NEWS! OSHA'S ELECTRICAL STANDARDS ARE BASED UPON THIS ORGANIZATIONS
WHAT IS THE NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)
NFPA 70E
During an arcing fault event, the temperature of the arc terminals can reach approximately 35,000 °F, which is about ________ as hot as the surface of the sun.
What is FOUR TIMES
Name at least one company that meets the Nationally Recognized Testing Laboratory Programs requirements for safety cords (NRTL). Hint- it’s the label on the cord
UL or CSA