Chapter 01 : General Information For Electrical Installations
Be on the lookout for counterfeit electrical products. These products have not been tested and certified by a recognized testing laboratory. They can be a hazard to life and property. Counterfeit electrical products might also be referred to as___________
Black market products
OSHA 1910.399 defines a qualified person as "One who has received training in and has demonstrated skills and knowledge in the__________ of electric equipment and installations and the hazards involved." a. installation b. construction and operation c. maintenance D. all of the above
All of the above
Do not confuse a UL marking in a circle with the markings found on recognized components. Recognized components are intended components of a___________
End use product / system
Many government organizations offer pubications and useful information on electrical safety. Among them CDC.GOV, Dept. of energy , and
OSHA
Electrical inspectors are not fallible. They may be part-time or also have the responsibility for ?
Other areas
Electrical inspectors are usually up to date on NEC and local rules, and may correct the electrician. For any corrections that must be done, inspectors should always give a reference ____________
Preferably in writing
Usually for electrical projects, permits must be issued ?
Prior to starting the job
According to NFPA 70E, circuits and conductors are not considered to be safe to work on until___________ places them in an electrically safe condition.
A qualified person
NEC Article 90 says, in part: This Code is not intended as a_______ or an ________ for untrained persons.
design specification, instruction manual
The NEC is divided into an introduction and nine chapters. Wiring of_________ is mostly covered in Chapters 1, 2, 3, and 4, which apply generally.
dwellings
The NEC also states, in Article 90: Compliance therewith and proper maintenance result in an installation that is essentially free from hazard but not necessarily adequate for good service or future expansion of electrical use or_______.
efficient and convenient
Electrical inspectors are the authority having jurisdiction in most cases. That means they ?
interpret Code rules
The NEC is full of requirements that are safety related. Another is NFPA 70 Electrical Safety in the Workplace. NFPA 70E__________
is endorsed by OSHA
In addition to states, local municipalities or even inspection agencies can make__________ or__________ to the national code.
local amendments, changes
All measurements in the NEC are shown in both inch pound (imperial measurements), and metric values where applicable. Many dimensions are not affected. Some_______
metric conversion values are rounded off in the NEC. Calculations involving these values will produce different results than imperial
In the international system of units, the prefix milli- means
one thousandth
The NEC in 90.9(C)(1) states that where the actual measured size of a product is not the same as the nominal size, the__________ shall be used rather than dimensions.
trade size designator
UL previously produced several directories including Electrical Construction Equipment Directory (Green Book). The information previously provided is now located in UL's online database, located at
www.Ul.com/apps/products-iq
Permits are a means for a community to permanently__________ to be done and ________.
record electrical work, who is doing the work
In the international system of units, the prefix kilo- means
thousand
OSHA Training Institute offers outreach training programs of interest to electricians, contractors, and instructors. The basic safety courses for general construction safety and health are the OSHA _______ and OSHA_______ courses.
10 hour, 30 hour
The open-circuit voltage between the two terminals of a single-pole switch on a lighting circuit when the switch is in the OFF position is ?
120 Volts
NEC has been adopted in all 50 states as the basis for electrical systems. However, each state can develop their own special version, make amendments to the document, and________
Adopt older editions
The NEC is published by the National Fire Protection Association. To remain as up-to-date as possible, it is revised every a. 2 years b. 3 years c. 4 years d. all of the above
All of The above
For the most part, the safest practice includes tagging, locking the disconnecting, and a. Turning power off b. getting briefing c. having a helper d. all of the above
All of the Above
___________applies to special occupancies, special equipment, or other special conditions and may supplement or modify this or earlier Chapters.
Chapters 5, 6, 7
The U.S. Department of Labor Occupational Safety and Health Administration (OSHA) regulations are the law when it comes to safety in the workplace. Key topics in the standard include wiring methods, Hazardous (classified) locations, and_________
Components and equipment for general use, electric utilization systems etc.
To maintain a valid license, many licensing agencies require ?
Continuing education
The harmful component of an electrical circuit is ?
Current
Working on equipment with the power turned on can result in burns, serious injury or__________.
Death
The Electrical Safety Foundation International (ESFI) offers mostly free material, simple-to-understand ectrical safety material, and _______
Downloadable Material
OSHA offers safety courses referring to personal protective equipment (PPE). These include such items as ?
Ear protection
Several communities, counties, and/or states require electricians and electrical contractors to be licensed. Minimum qualifications might include ?
Education
The International Association of Electrical Inspectors (IAEl) is a nonprofit organization. Membership includes
Electrical inspections
Quite often, a community will have a "Residential Only" license, limiting activity to ?
House wiring
A major goal and activity of the lAEI is to ?
Improve the understanding of the NEC
Working on electrical equipment requires insulated shoes, face shields and ?
Rubber Gloves
The primary function of Nationally Recognized Testing Laboratories (NRTL) is to test and evaluate products for ?
Safety
The term Nationally Recognized Testing Laboratories (NRTL) is used by the Occupational Safety and Health Administration and is used to classify and recognize qualified electrical product testing laboratories. A NRTL_________ , the product is then "listed" to have a listing mark.
performs tests on a product based on a specific nationally recognized product safety standard
Many organizations, trade organizations, manufacturers, and others offer training on the NEC and electrical safety. Among them are National Electrical Contractors (NECA.ORG), Underwriters Laboratory - (UL.COM) and _________
International Association Of Electrical Inspectors ( IAEI )