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Safe Electrical Work Practices and the 2024 NFPA 70E – AP5363 (28 Min.)
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1
Chapter One of NFPA® 70E® provides the blueprint for creating an electrical safety program and is the genesis of the safety rules and procedures you must follow while performing electrical-related work.
True
False
2
The two main hazards of electricity are ________________________.
A spark hazard and a flame hazard
A blinding hazard and a burn hazard
An electric shock hazard and an arc flash hazard
3
There are two approach boundaries for electric shock protection: the Limited Approach Boundary and the Restricted Approach Boundary.
True
False
4
Arc Flash PPE Category Four requires a tested and verified system of arc-rated clothing of at least 40 calories per square centimeter.
True
False
5
Workers may not cross the Arc Flash Boundary unless they are briefed on the hazards and are wearing appropriate arc-rated clothing and protective equipment.
True
False
6
The amount of thermal energy at a given distance from an arc source is referred to as the _____________.
True
False
7
You must treat all electrical conductors and circuit parts as energized until the existence of an electrically safe work condition has been properly verified.
True
False
8
The Arc Flash Boundary must be placed at an approach limit distance where the amount of thermal energy could result in the onset of a ____________ burn.
Incandescent Energy
Incident Energy
Caloric Energy
9
Section 130.5(H) requires that the owner of electrical equipment install field-labels on equipment that will display the nominal system voltage and the Arc Flash Boundary.
True
False
10
Energized work is permitted when the electrical conductors and circuit parts operate at less than _______, and it is determined that there will be no increased exposure to electric burns or to explosion due to electric arcs.
10 Volts
50 Volts
100 Volts