Maths
Express 7/16" in decimals.
What is .4375?
Of the three primary metal raceway types, this one does not require threading
What is Electrical Metallic Tubing (EMT)?
When bending a 90o bend, this is the end bent up into the air. Usually the shorter end.
What is the stub/stub up?
This is the most commonly used angle for bending offsets due to its easy to remember multiplier of 2.
What is 30 degrees?
In a three-bend saddle, you must add this variable to the center mark to keep your bend centered over the obstruction.
What is shrink?
.6875 as a fraction that can be read on a tape measure.
What is 11/16"?
These are the Largest size EMT and RMC conduit you can bend with a hand bender
What is 1 1/4" EMT and 1" RMC?
To make a stub 90o that is 39 inches long with 3/4" EMT (using a standard hand bender), you would need to place your pencil mark at this distance from the end of the conduit.
What is 33"?
This angle's distance multiplier is 1.41
What is 45 degrees?
When fabricating a 3-bend saddle, the center bend mark is aligned with the _____ mark on the bender shoe, and the 2 side bends are made using the ____ mark on the shoe.
What are the rim notch (center bend) and the arrow (side bends)?
An improper fraction, such as 10/4", can be expressed more usefully for conduit layout measurements as _____ numbers, such as 2 1/2".
What is mixed?
This color of banding tape (for EMT) and plastic endcaps (for RMC) denotes full inch designations of conduit (1", 2", 3", etc.)
What is blue?
Stub 90s are always measured to this side of the bend.
What is the back(outside) of the 90?
To bend an offset with 30 degree bends to clear an obstruction 4 inches high, the bend marks must be this far apart.
What is 8 inches?
To find the total overall length of a conduit with a three bend saddle you must add the shrink value this many times.
What is two?
This is the measurement of the hypotenuse of a triangle with an opposite side of 4 inches and a reference angle of 30 degrees
NEC Article 358.
What is the article with requirements for EMT?
To cut a conduit to the correct length before bending a 90o, you must first adjust for this.
What is the gain?
When installing parallel offsets, parallel offset adjustments must be made to avoid this unsightly error.
What is crowding?
2.5
What is the special multiplier for a 22-45-22 saddle?
More than anything else, this factor determines the profitability of a conduit bending job.
What is worker skills?
You are to drill 6 holes side-by-side in a panel with 1 1/4" between each hole. 4 holes measure 1 1/2" and 2 holes measure 2 1/4" How much space will you need for the holes?
What is 16 1/2"?
The difference in length between the stub height and the bending reference mark.
What is take-up?
Born Kiari Kendrell Cephus, this rapper now performs under a different name
(He is also married to Cardi B)
Who is Offset?
The overall length of a full stick of conduit after bending a 4-bend saddle using 30o bends over an 8" tall obstruction.
What is 116"?
120" - [(8 x 1/4) x 2] = 116"