Maths
General Knowledge
The 90s
Offsets
Saddle Up
100

Express 7/16" in decimals.

What is .4375?

100

Of the three primary metal raceway types, this one does not require threading

What is Electrical Metallic Tubing (EMT)?

100

When bending a 90bend, this is the end bent up into the air. Usually the shorter end.

What is the stub/stub up?


100

This is the most commonly used angle for bending offsets due to its easy to remember multiplier of 2.

What is 30 degrees?

100

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?

200

.6875 as a useful fraction

What is 11/16"?

200

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?

200

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"?

200

This angle's distance multiplier is 1.41

What is 45 degrees?

200

Mathematically, a three bend saddle can be viewed as two of this other kind of bend put together.

What is an offset?

300

To convert from square feet to square inches, you would need to multiply the square foot area by this number.

What is 144?
300

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?

300

Stub 90s are always measured to this side of the bend.

What is the back(outside) of the 90?

300

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?

300

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?

400

This is the measurement of the hypotenuse of a triangle with an opposite side of 4 inches and a reference angle of 30 degrees

What is 8 inches?
400

This article in the NEC gives all the code requirements for EMT.

What is Article 358?

400

To cut a conduit to the correct length before bending a 90o, you must first adjust for this.

What is the gain?

400

When installing parallel offsets, parallel offset adjustments must be made to avoid this unsightly error.

What is crowding?

400

When making calculations for a three-bend saddle, all calculations are made off of this bend angle

(Larger or smaller angle)

What is the smaller angle?

500

Considered the "Father of Geometry", this Greek Mathematician is known chiefly for his Elements, a treatise establishing the foundation of geometry

Who is Euclid?

500

This is the approximate airspeed velocity of an unladen European swallow.

What is 20.1 mph?

500

This album, released in 1995 by The Smashing Pumpkins gave this decade a "fly" dose of alternative rock anthems such as "Tonight, Tonight", "Bullet with Butterfly Wings", "Muzzle", and "1979"

What is Mellon Collie and the Infinite Sadness?

500

Born Kiari Kendrell Cephus, this rapper now performs under a different name

(He is also married to Cardi B)

Who is Offset?

500

This famous horse, grandson of the legendary Man O' War, received modern recognition in a 2003 film of his same name.

What is Seabiscuit?