CIW Chapter 3 Flashcards
Documentation that is used to determine the proper method for electrical equipment installation in the field is categorized as ___.
Standards and codes
___ indicates that the electrical equipment has been constructed and tested so that moisture will not enter the equipment
Watertight
The ___ ensures that the electrical installation process is performed within proper safety and code requirements
AHJ
NEMA standards are typically used in installations for sizing ___.
motor starters
A ___ can result in large-magnitude current flow in the ground path
ground fault
The width of working space in front of the electrical equipment is ___.
3’
NETA is an acronym for ___.
National Electrical Testing Association
An ANSI-approved standards is developed based on input from various experts from applicable ___.
industries
Energized components that operate at ___ V or more must be guarded against accidental contact.
50
___ are used throughout the NEC to explain information that is contained in the various articles
Fine Print Notes
A ___ installation is an installation that the AHJ has reviewed, included conductors, equipment, and installation, and concluded to be acceptable.
approved
The IEEE produces ___ standards.
1100
___ is an official description for equipment that has been constructed, protected, or treated so that rain does not interfere with the successful operation of the equipment under specified test conditions
Rainproof
A ___ is an accepted reference or practice.
Standard
For 151 V to 600 V equipment under a grounded condition, the minimum working space clearance requirement is ___
3 1/2’
The ___ symbol is widely recognized and is often used as a valuable indication that a particular product has met designated requirements and is suitable for a certain application.
UL
The IEC rating system is based on the ___.
ability of a test instrument to withstand voltage surges that can appear in the distribution system when taking handheld meter readings.
In the NEC, exceptions are permitted instead of the main rule when ___.
all provisions of the exception are met
To assist in the proper application of the NEC, terms that are used in two or more articles are defined in ___.
NEC Article 100
If a location is normally dry but temporarily subject to moisture, it can be classified as a ___ location.
Dry
Final approval for the conductors and equipment installed must be given by the ___.
AHJ
A ___ is a term in the NEC used to address the professional work habits required when installing electrical wiring and equipment.
Neat and workmanlike manner
A ___ is a sustained discharge of electricity across a gap in a circuit or between electrodes.
arc
To protect electrical equipment, ___ is provided for the installation.
dedicated equipment space
The minimum clearance depths range from ___ for systems operating above 75 kV.
3’ to 12’
