Lesson 103 - Introduction to Safety, Navigating the NEC® and EWR Plans Reading Worksheet
250
Grounding is covered in Article ___ in the NEC ®.
Every 3 years
How often is the NEC ® revised and updated?
12
If your foreman sends you to get a 24-foot extension ladder, you will be looking for one that has ___ rungs in each of the two sliding sections.
before each use.
Cord sets and portable electric tools must be visually inspected ____
acceptable to the authority having jurisdiction
The meaning of approved is ___.
250
A Type I ladder is rated to withstand a load of ___ pounds.
False
A metal ladder can be used near electrical sources if it has rubber feet at the bottom.
has not
A worker who weighs 260 pounds and is wearing a 16 lb tool belt ___ exceeded the rating of a Type IA ladder.
90 Days
According to OSHA, what is the maximum number of days a cord can be in use as part of a temporary installation.
314.16(B)
According to the NEC ® Index, box fill calculations are covered under Code section ___.
210 & 220
According to the NEC ® Index, branch circuits are covered under in Articles ___.
100
According to the NEC ® Index, definitions are found in what article?
590
According to the NEC ®, temporary installations are covered in Article ___.
electrician himself
An electrician has been issued safety eyewear to wear on the jobsite. Only one person can be held responsible for ensuring that the electrician wear the safety equipment. This is the ___.
IEC
An organization that provides technical education and informational products and services in support of International Codes is ___.
labels and SDSs
As a GHS requirement, pictograms identifying the hazard appear on ___.
proper methods of containment, protective equipment, emergency procedures
As a GHS requirement, the Accidential Release Measures section on the SDS lists ___ required for cleanup.
Danger
As a GHS requirement, the signal word ___ on the SDS identifies a more severe hazard.
walk around and scope out the area
Before backing up a vehicle, you should ___.
special occupancies and conditions along with special equipment
Chapters 5,6, and 7 of the NEC relate to:
590
Code article ___ covers temporary wiring.
labeled
Equipment or materials to which has been attached a label, symbol, or other identifying mark of an organization that is acceptable to the authority having jurisdiction and concerned with product evaluation, that maintains periodic inspection of production of labeled equipment or materials, and by whose labeling the manufacturer indicates compliance with appropriate standards or performance in a specified manner. is the definition for ___.
listed
Equipment, materials, or services included in a list published by an organization that is acceptable to the authority having jurisdiction and concerned with evaluation of products or services, that maintains periodic inspection of production of listed equipment or materials or periodic evaluation of services, and whose listing states that either the equipment, material, or service meets appropriate designated standards or has been tested and found suitable for a specified purpose is the definition for ___.
an Informational Note
Explanatory material is represented throughout the Code using ___.
Globally Harmonized System
GHS is an abbreviation for ___.
9 ft-7 in
If h = 32 feet and I = 19 inches then the feet of the ladder should be ___ from the building wall.
10
If you are standing on the highest permitted step on a 12-foot step ladder, your feet will be about ___ feet above the floor. You are 6 feet tall.
your left
If you can, you should back up a truck looking over ___ shoulder
True
If you leave your trailer at the dock, be sure to chock its wheels.
210.50
In the NEC, which Article explains the general requirements for a receptacle outlet?
True
It is best to have a spotter on hand when backing a truck.
embedded in plaster finish on brick, installed in dry locations, used as a feeder
Look in the NEC ® Index and find Uses Permitted for AC cable. An example of a permitted use is where ___.
installed in a storage building for a single-family dwelling
Look in the NEC ® Index and find Uses Permitted for NM cable (nonmetallic sheathed cable or Romex ®). An example of a permitted use is where ___.
installed in wet locations
Look in the NEC ® Index and find Uses Permitted for UF cable. An example of a permitted use is where ___.
Material Safety Data Sheet
MSDS is an abbreviation for ___.
False
Most fabric in modern clothing is arc-rated.
False
Most power tools have built-in strain relief adequate to hold the weight of the tool.
test and list
Nationally Recognized Testing Laboratories (NRTL) ___ electrical products to provide a basis for approval by inspectors in the field.
Personal Protective Equipment
PPE is an abbreviation for ___.
run through holes in walls, ceilings or floors, concealed behind building walls, ceilings or floors, run through doorways, windows or similar openings
Per OSHA 29 CFR 1910.305(g)(1)(iv) which of the following is not acceptable use of a flexible cord?
adequate and compliant strain relief
Proper installation of cord ends include:
True
The base of a ladder should be placed so that it is one foot away from the structure for every four feet of height to where the ladder rests against the building.
True
The main cause of falls from straight and extension ladders is sliding of the ladder base.
uniform labeling and hazard classification identification
The new GHS is meant to provide ___ for all employees who are potentially exposed to hazardous chemicals in the workplace. This information is for employees to use to protect themselves from these hazards.
first-aid measures, fire-fighting measures, accidental release measures
The new GHS requires a section on the SDS to show ___.
the United Nations
The new GHS standard of classification and labeling of chemicals was developed by ___.
working at some height above the ground where you might fall but the rope (or lanyard) that is attached to a strong support or structure would catch you before hitting the ground.
The safety equipment shown is used when ___.
True
To avoid musculoskeletal disorders, you should switch tasks and/or positions from time to time to reduce time spent in awkward positions or on repetitive motions.
list the safety equipment to be utilized, complete a shock risk assessment, justify why the circuit can't be de-energized, use a detailed comprehensive plan.
To work on an energized circuit, a person must _______?
110.12(A)
Unused openings in Boxes shall be closed. Find the code reference. The Code Reference for this is ___. (Always look for key words in the Index.)
Article 90
What NEC ® Article discusses the purpose and scope of the Code?
Distractions, Working while you are sick, Lack of training
What could cause an accident?
Power tool injury
What is NOT considered electrical hazard by OSHA.
1000 Ohms
What is the average resistance of a 150 pound man according to IEEE?
NEC
What is the basic standard that governs all electrical work?
ANSI
What organization approves standards that then become recognized as American national standards?
safety goggles
When nuisance dust is present, wearing ___ effectively protect(s) your eyes.
shall and shall not
When the words(s) ___ appears in the NEC ®, it makes the statement a mandatory requirement.
Cleveland
Which major US city was one of the first to install electric-street lighting?
NFPA
Which organization sponsored the NEC in 1911?
the tool uses a low-voltage isolation transformer.
Work can be performed using power tools in wet locations if _________.