Electrical - Module 8 - Raceways & Fittings

What is a tie wrap used for?

• fastens bundles of wires

• Measuring length of fabric
• Decorating a gift
• Holding up pants

If standoff supports are used, is there a need for offsets?

• No
• Maybe
• Yes

When using metric fasteners, what does the M8 x 1 mean?

• The M8 x 1 means the fastener has a diameter of threads is 8mm and a thread pitch of 1mm.

• The M8 x 1 means the fastener has a nominal diameter of 8 millimeters and a thread pitch of 1 inch.
• The M8 x 1 means the fastener has a nominal diameter of 8 centimeters and a thread pitch of 1 centimeter.
• The M8 x 1 means the fastener has a nominal diameter of 8 inches and a thread pitch of 1 inch.

When working with hollow concrete and using epoxy, what extra step needs to be taken?

• Use an anchor screen

• Use a different type of adhesive instead of epoxy
• Leave the hollow space empty
• Use a larger amount of epoxy to fill the hollow space

The derating factors in NEC Table 310.15(C)(1) shall be applied to wireways only where the number of current carrying conductors exceeds ___.

• 30

• 2
• 10
• 5

Which type of one-step anchor would be used when jacking or leveling the fastened component?

• One-step anchor
• Three-step anchor
• Two-step anchor
• Stud bolt anchor

Where should you store conduit?

• In a wet and unstable location
• Pipe racks

• In an open and exposed area
• In a crowded and cluttered space

How often do horizontal wireways runs need to be supported?

• Every 2 to 3 feet
• Every 10 to 15 feet
• Only at the beginning and end of the run
• At each end and no more than 5'

What is the purpose of a non-grounding insulating bushing?

• To provide a grounding connection for the wires
• To protect wires and cables from damage caused by sharp edges of the conduit or panel openings.
• To reduce the flexibility of the wires
• To increase the conductivity of the wires

The use of powder-actuated fastening tools are to be used by...

• unauthorized personnel
• children under adult supervision
• trained and certified individuals only
• anyone without training