NCCER Electrical 1 Module 10 Questions and Answers Graded A

NCCER Electrical 1 Module 10 Questions and Answers Graded A Blue Prints An exact copy of reproduction of an original drawing Floor plan As viewed from above Site plan Location of building on the property Surveys show All property lines, existing public utilities and their location on or near the property Elevation drawings show The exterior face of the building Floor plans are in 2 dimension, length and width Topographic survey shows Property lines, contour lines, notes and symbols Sectional view Is a cutaway view that shows the inside of the building Title block A table located in the bottom right-hand corner of an engineering drawing that identifies, in an organized way, all of the necessary information that is not given on the drawing itself. Also referred to as a title strip. Revision Block Shows modifications or redrawn drawings Architectural scale 1/16" = 1', 1/8" = 1' 1/4" = 1 Engineer scale measurements 1"=10 units through 1"=100 units Metric scale 1:1 to 1:100 Millimeters are used Metric scale 1:200 to 1:2000 Meter is used CAD Computer aided design Masterformat Most common used writing format Division 26 is Electrical Division 27 is Communications Division 28 is Electronic safety and security ANSI American National Standards Institute The type of lighting fixture is identified by A numeral placed inside a triangle or other symbol and placed near the fixture to be identified A section line on a drawing shows The location of the section on the plan In a drawing with dimension lines the values shown inside the lines are The actual dimensions Dashed lines are used to represent a branch circuit on a drawing mean that the wiring is to be Concealed in the floor And electrical drafting line with a double arrowhead represents A branch circuit homerun To meet general recommendations a residential branch circuit rated for 2400 VA should have a connected load of no more than 1,920VA Power riser diagrams are used to show the Arrangement of electric service equipment The symbols T1 T2 and T3 in a typical motor starter schematic represent Motor terminals The current master format standard covering communications systems is under Division 27 Title Block on electrical drawing includes Name of the project, address of the project, name of the owner of client, name of the architectural firm, date of completion, scale, initials of the drafter, checker, and designer with dates under each, job number, sheet number, general description of the drawing A power riser diagram is a type of Block diagram Schematic diagrams Normally used only in complicated electrical systems such as control circuits components are represented by symbols Branch circuit layout for lighting Ex. 15A x 120V=1800VA 80% of 1800VA 0.8x1800VA= 1,440VA Power riser diagram Single line block diagram used to indicate the electrical service equipment, service conductors, feeders and subpanels A _______ is a systematic way of presenting equipment lists in a drawing in tabular form Schedule Low voltage switch SL Existing power lines P Division 25 Integrated automation One line / single line diagram shows the path of an electrical circuit Height of front rear or sides of a building are shown in a Elevation drawing The specific types of luminaries required in an illustration can be found on the Lighting fixture schedule