Conduit Fill
The maximum length of a short section of conduit that could be considered a nipple.
What is 24"
The maximum distance between a box and the first support for the installation of an EMT conduit
In comparison between THWN-2 and THW-2, this insulation is thicker.
What is THW-2
Using 6 AWG - THW-2 has an area of .0726 THWN-2 has an area of .0507
The standard length of rigid metal conduit
What is 10 feet
Metric Designator 27 is equivalent to this trade size
What is 1"
The allowable fill percentage of the cross sectional area of a conduit containing 2 conductors
What is 31%
Flexible metal conduit shall be secured and supported in lengths not exceeding this distance
This number of conductors installed in a raceway is associated with 53% cross sectional area fill.
What is 1
The largest size EMT permitted to be installed
What is 4"
Cables, raceways, and boxes installed under metal-corrugated sheet roof decking shall be installed a minimum of this distance below the lowest surface of the roof decking.
What is 1.5"
The maximum number of #12 THHN conductors that legally fit in a 1" EMT.
What is 26
When 2" liquidtight flexible metal conduit is installed for purpose of flexibility, the unsecured length shall not exceed this distance from the point at which it was last securely fastened
What is 4'
What is 13
It is permissible for rigid metal conduit to be made of steel, aluminium, red brass and this material
What is stainless steel
Where raceways contain this size or larger insulated conductors, the conductors shall be protected by an identified fitting providing a smoothly rounded insulating surface.
What is 4 AWG
The minimum size schedule 80 PVC that could contain (7) #8 XHHW conductors.
What is 11/4" Schedule 80 PVC
3" PVC conduit shall be supported at intervals no greater than this
What is 6 feet
Daily Double - Your group must wager in increments of 400.
The metric designator size of a liquidtight flexible metal conduit that has a total cross sectional area of 0.314 in2
the installation of 1" Flexible Metallic Tubing is limited to this distance
What is 6 feet
This shall be done to all openings around electrical penetrations into or through fire-resistance-rated walls, partitions, floors, or ceilings
What is firestopped
The minimum size RMC to contain a 350 amp feeder consisting of (4) 500 kcmil RHW-2 conductors and a single #3 RHW-2 equipment grounding conductor
What is 4" RMC
500 - 4 x 1.0082
#3 - 1 x .1521
Total cross sectional area = 4.1849 in2
4" RMC = 5.153 in2
Straight sections of 1" intermediate metal conduit installed in horizontal runs shall be supported at intervals not to exceed this distance
What is 12 feet
What is 5
If an outdoor parking lot has exposed PVC conduit installed and the temperature change in Wisconsin was determined to be 125 OF, this would be considered the distance of length change in 100 feet of conduit.
What is 5.07 inches
The minimum cover depth requirement of a 15 amp 120 volt lighting circuit protected by a GFCI and encased in schedule 80 PVC without concrete encasement crossing under a single family dwelling unit driveway.
What is 12"