Get Wired 101 MidterM Practice Questions
100% correct
Why should a person work with only one hand when possible? ✔✔ So current doesn't pass
through your heart.
What is the most important rule of electrical safety? ✔✔ Think first
Why should a person work with only one hand when possible? ✔✔ So current doesn't pass
through your heart.
Find the shortest length of 1/2 inch conduit from which the following pieces can be cut: 7 7/8
inches, 3 1/4 inches, 6 1/2 inches, 12 1/8 inches and 24 3/16 inches. Allow 1/16 inch for each
saw cut. ✔✔ 54 3/16th inches
The length of threading on an EMT box connector is approximately 7/16 inch. The locknut is 1/8
inch thick and the metal of the box is 1/32 inch thick. Once installed, how much thread is left for
a threaded bushing? ✔✔ 9/32ths inch
A motor brush is 1 7/8 inches long. How long is it after 49/64th inch wears away? ✔✔ 1 7/64ths
inches
Underwriters Laboratories and the other recognized testing laboratories "approve" products.
✔✔ False
The NEC makes suggestions about how to wire a house that will be occupied by handicapped
persons. ✔✔ True
, Low-voltage systems are totally safe. ✔✔ False
Compliance with the NEC always results in an electrical installation that is adequate, safe, and
efficient. ✔✔ False
It is a safe practice to use a stepladder in which the spreaders have not been fully locked into
position. ✔✔ False
What authority enforces the requirements set by the NEC? ✔✔ authority having jurisdiction
Does the NEC provide minimum or maximum standards? ✔✔ Minimum
What do the letters "UL" signify? ✔✔ Underwriters Laboratories
What section of the NEC states that all listed or labeled equipment shall be installed or used in
accordance with any instructions included in the listing or labeling? ✔✔ 110.3B
When the word "shall" appears in a NEC reference, it means that it ___ be done. ✔✔ Must
What is the purpose of the NEC? ✔✔ None of the above. (The purpose is the practical
safeguarding of persons and property from hazards arising from the use of electricity.)
Which of the following is NOT a nationally recognized testing laboratory. ✔✔ NEC
What federal organization dictates requirements for work-related safety issues? ✔✔ OSHA
100% correct
Why should a person work with only one hand when possible? ✔✔ So current doesn't pass
through your heart.
What is the most important rule of electrical safety? ✔✔ Think first
Why should a person work with only one hand when possible? ✔✔ So current doesn't pass
through your heart.
Find the shortest length of 1/2 inch conduit from which the following pieces can be cut: 7 7/8
inches, 3 1/4 inches, 6 1/2 inches, 12 1/8 inches and 24 3/16 inches. Allow 1/16 inch for each
saw cut. ✔✔ 54 3/16th inches
The length of threading on an EMT box connector is approximately 7/16 inch. The locknut is 1/8
inch thick and the metal of the box is 1/32 inch thick. Once installed, how much thread is left for
a threaded bushing? ✔✔ 9/32ths inch
A motor brush is 1 7/8 inches long. How long is it after 49/64th inch wears away? ✔✔ 1 7/64ths
inches
Underwriters Laboratories and the other recognized testing laboratories "approve" products.
✔✔ False
The NEC makes suggestions about how to wire a house that will be occupied by handicapped
persons. ✔✔ True
, Low-voltage systems are totally safe. ✔✔ False
Compliance with the NEC always results in an electrical installation that is adequate, safe, and
efficient. ✔✔ False
It is a safe practice to use a stepladder in which the spreaders have not been fully locked into
position. ✔✔ False
What authority enforces the requirements set by the NEC? ✔✔ authority having jurisdiction
Does the NEC provide minimum or maximum standards? ✔✔ Minimum
What do the letters "UL" signify? ✔✔ Underwriters Laboratories
What section of the NEC states that all listed or labeled equipment shall be installed or used in
accordance with any instructions included in the listing or labeling? ✔✔ 110.3B
When the word "shall" appears in a NEC reference, it means that it ___ be done. ✔✔ Must
What is the purpose of the NEC? ✔✔ None of the above. (The purpose is the practical
safeguarding of persons and property from hazards arising from the use of electricity.)
Which of the following is NOT a nationally recognized testing laboratory. ✔✔ NEC
What federal organization dictates requirements for work-related safety issues? ✔✔ OSHA
