Module 26205 pull and junction boxes

Boxes must be marked with the words "danger-high voltage-keep out" if they house conductors over

1000 V

If the largest trade diameter of a raceway entering a pole box is 3 inches, and it is a straight pole for a system operating at less than 1,000V, the minimum size box allowed is

24 inches

For a street pole, the length of a pull box housing unshielded conductors carrying over 1,000V must be _______ times the outside diameter of the largest unshielded conductor entering the box

32

For a straight pull, the minimum length for a pull box with two 1" conduit's and one 4" conduit on one wall and two 1" conduit in 4" conduit entering the opposite wall is

32"

For a pull box housing shielded conductors carrying over 1,000v the distance between a conductor entry and exit must be how much greater than the outside diameter of the conductor?

36 times

For an angle or U pull, The length of a pull box housing shielded conductors carrying over 1,000v must be how much greater than the outside diameter of the largest shielded conductor entering the box?

36 times

What is the minimum length of a straight pull box for a system under 1,000v if the largest conduit is 5"?

40"

Which of the following square junction boxes must be used if there is one 6" conduit and two 4" conduit entering on one side of the box and exiting at a 90° angle on another side of the box?

44"

For a straight pull, The length of a pole box housing shielded conductors Carrying over 1,000V must be _______ Times the outside diameter of the largest shielded conductor entering the box

48

Which of the following describes a Myers hub?

A gasketed fitting used to provide water tight conduit connection

Which of the following can be used as an inexpensive alternative to a tee conduit body when running EMT?

A standard 4" square box with a cover

What type of fitting should be used for EMT in a wet location?

Compression

Which of the following are defined by the NEC as separate portions of a conduit that provide access through a removable cover to the interior of the system at a junctions of two or more section?

Conduit bodies

NEM and IP classify pull in junction boxes according to the

Degree of protection from the elements they provide

When Calculating the pull box size for Straight pull systems operating at less than 1,000V, The length of the box must not be less than ______ times the trade diameter of the largest raceway

Eight

The combination coupling in figure 1 is used to connect

Flexible conduit to rigid conduit

To discourage unauthorized entry, handhole covers must be

Heavier than 100 pounds or require tools to open

Which of the following are used to protect conductors from being damaged by the sharp edges of the threaded conduit End?

Insulated bushings

Which of the following enclosures is best suited for splicing conductors?

Mogul

Which type of conduit body has a raise cover and allows right angle bends where splices, taps, and pulls are needed in a weatherproof chamber?

Moguls

Where in the NEC will you find the most information on pull and junction boxes?

NEC Article 314

Which of the following best describes how type FS boxes should be installed?

No holes should be drilled in the box for mounting

The NEC requires that handholeds must always be

Perminently marked to identify the function of the enclosure

The abbreviation for an entrance ell (elbow) is

SLB

What is the least protective type of junction box that can be used in chemical plants?

Type 4X - watertight, corrosion resistant

Which type of conduit body does not provide a change in direction but may be used as a pulling points in a conduit run that has been totaling more than 360° ?

Type C

Which of the following conduit bodies has a single cover opening on both sides?

Type LRL

A conduit body that has openings on four different size plus in access opening is called a

Type X

The second number in the IP classification system designates the degree of protection against

Water