Types of Prints
What type of print shows land features, property lines, and slope information?
Plot Print
What block identifies the drawing name, people involved, and drawing number?
Title Block
S4 What does this electrical symbol represent?
4-Way Switch
What organization publishes the NEC?
National Fire Protection Association (NFPA)
Who has the final authority to interpret and enforce the NEC in a given area?
Authority Having Jurisdiction (AHJ)
What type of print shows foundation walls, footings, and features like patios or fireplaces?
Foundation Print
What block lists changes or corrections made to a drawing?
Revision Block
What is the purpose of curved circuit lines on an electrical print?
To distinguish electrical lines from architectural lines
How often is the NEC updated?
Every 3 years
What is the difference between national and local codes?
National codes are model codes; local codes are legally binding and supersede national codes
Which type of print shows the locations of fixtures such as sinks, tubs, and toilets?
Plumbing Print
What term describes the ratio between the size of a drawing and the actual object?
Scale
What does a heavy, dark line on a print usually indicate?
Service or feeder runs
What are the three introductory articles of the NEC?
Articles 90, 100, and 110
What section of the NEC states that local inspection authorities can interpret and modify NEC meanings?
Article 90.4
What type of print is used to show the structural skeleton of a building, including walls and beams?
Framing Print
What part of a print defines the meaning of each symbol?
Legend
What does the term “home run” mean on an electrical print? How is this line different than other electrical lines?
The point where a circuit returns to the panel, marked by an arrow
What does NEC Article 90 define?
NEC coverage and purpose (scope of the NEC)
What are testing agencies that certify electrical equipment called?
Nationally Recognized Testing Laboratories (NRTLs)
What type of print is essentially an electrician’s floor plan, showing receptacles, switches, and circuits?
Electrical Print
What are the five standard print sizes according to ANSI standards?
8.5x11, 11x17, 17x22, 22x34, 34x44
STH What does this symbol represent?
Theromostat
What is the purpose of Article 100?
Essential definitions for terms used throughout the code book
Name three major testing agencies recognized by the NEC.
UL (Underwriters Laboratories), CSA Group, Intertek