ELECTRICAL WIRING COMMERCIAL AND INDUSTRIAL WIRING|ACTUAL EXAM QUESTIONS AND 100% CORRECT ANSWERS|LATEST 2025/2026|GRADED A+

ELECTRICAL WIRING COMMERCIAL AND
INDUSTRIAL WIRING|ACTUAL EXAM
QUESTIONS AND 100% CORRECT
ANSWERS|LATEST 2025/2026|GRADED A+
Documentation that is used to determine the proper method for electrical equipment installa
B B B B B B B B B B B B



tion in the field is categorized as - ANSWER-
B B B B B B B B standards and codes B B




____ indicates that the electrical equipment has been constructed and tested so that moistur
B B B B B B B B B B B B B



e will not enter the equipment - ANSWER-
B B B B B B B watertight



The ____ ensures that the electrical installation process is performed within proper safety cod
B B B B B B B B B B B B B



es and requirements - ANSWER-
B B B B AHJ



NEMA standards are typically used in installation for sizing - ANSWER-
B B B B B B B B B B motor starters B




A(n) _____ can result in large-magnitude current flow in the ground path - ANSWER-
B B B B B B B B B B B B B



ground fault B




The width of working space in front of electrical equipment must be a minimum of _____' or t
B B B B B B B B B B B B B B B B B



he width of the equipment which ever is greater - ANSWER-
B B B B B B B B B B 2 1/2
B




NETA is an acronym for ____. - ANSWER-
B B B B B B B InterNational Electrical Testing Association B B B




An ANSI-approved standard is developed based on experts from applicable - ANSWER-
B B B B B B B B B B B



industries



Energized components that operate at ___ V or more must be guarded against accidental cont
B B B B B B B B B B B B B B



act - ANSWER-
B B 50

, ____ are used throughout the NEC to explain information contained in various articles -
B B B B B B B B B B B B B



B ANSWER- Fine print notes B B




A(n) ____ installation is an installation that the AHJ has reviewed including conductors equipm
B B B B B B B B B B B B B



ent installation and concluded to be acceptable - ANSWER-
B B B B B B B B approved



The IEEE produces ___ standarxs - ANSWER-
B B B B B B 1100



___ is an official description for equipment that has been constructed protected or treated so
B B B B B B B B B B B B B B B



that rain does not interfere with successful operation of equipment under specific conditions -
B B B B B B B B B B B B B



B ANSWER- rainproof



A ____ is an acceptable reference or practice - ANSWER-
B B B B B B B B B standard



For 151 V to 600 V equipment under a grounded condition, the minimum working space clear
B B B B B B B B B B B B B B B



ance requirement is _____' - ANSWER-
B B B B B 3 1/2 B




The ____ symbol is widely recognized and is often used as a valuable indication that a particul
B B B B B B B B B B B B B B B B



ar product has met designated requirements and is suitable for certain applications -
B B B B B B B B B B B B



B ANSWER- UL



The IEC rating system is based on the - ANSWER-
B B B B B B B B B



ability of a test instrument to withstand voltage surge that can appear in distribution sy
B B B B B B B B B B B B B B



stem when taking handheld meter readings
B B B B B




In the NEC exceptions are permitted instead of main rule when - ANSWER-
B B B B B B B B B B B B



all provisions and exceptions are met
B B B B B




To assist in proper application of NEC terms used in two or more articles are found in -
B B B B B B B B B B B B B B B B B



B ANSWER- NEC article 100 B B