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Arc Flash
Lock Out / Tag Out
Arc Blast
Definitions
Rescue
100
An arc flash occurs when an electrical current passes through this.
What is air?
100
LOTO stands for this important safety program for the control of hazardous energy.
What is lock out and tag out?
100

Arc blast occur when the extreme temperatures of the electrical arc cause explosive expansion of both the surrounding _____ and the______ in the arc’s path

What are air and metal?
100

A documented system consisting of electrical safety principles, policies, procedures and processes that directs activities appropriate for the risk associated with electrical hazards.


What is an Electrical Safety Program?

100

They must be rescued as soon as possible to survive.

What are victims?
200
Arc flash can generate temperatures up to _______ degree F 
What is 30,000 F?
200
Any person who performs LOTO on equipment or machinery in order to do maintenance or servicing of that equipment is given the designation of this according to the OSHA standards.
What is an Authorized Employee?
200
An arc blast can produce extremely high...
What are pressures?
200

The amount of current delivered at a point on the system during a short-circuit condition. 

What is fault current?

200
You should never do this into an accident scene.
What is rush?
300
An arc flash can produce this; it can very violent
What is an explosion?
300
This item is used to identify the person who has applied a lock to a point of energy isolation.
What is a lock out tag?
300
The force of an arc blast can send this flying outward
What is shrapnel?
300

The largest amount of current capable of being delivered at a point on the system during a short circuit condition.

What is available fault current?

300
You should always do this when approaching an accident scene.
What is approach cautiously?
400
The "arc rating" of clothing or equipment is measured in _________ per square centimeter.
What are Calories?
400
The type of energy is stored by air under pressure.
What is pneumatic energy?
400
To protect yourself against an arc blast, you should consider these 4 things
What are exposure limitation, distance, mass, and protective clothing?
400

The state of the electrical equipment considering the manufacturers’ instructions, manufacturers’ recommendations, and applicable industry codes, standards, and recommended practices.

What is condition of maintenance?

400
You should be alert of these when performing a rescue.
What are hazards?
500
The likelihood of Arc Flash can be reduced by elimination, substitution, engineering controls, administrative controls, and personal protective equipment. These are known as the _________________.
What are "Hierarchy of Controls"?
500
A piece of equipment placed into a state of zero energy.
What is isolated equipment?
500

There is no ______available to completely protect electrical workers from the effects of a blast.  

What is equipment?
500

The distance between a person’s face and chest area and a prospective arc source.


What is Working Distance?

500
If tools are used during an electrical rescue, the tools should be...
What is insulated?