Chapter 22- Special Design Considerations

Question 1

TIA-1005 does not recognizes bundled and hybrid cabling as acceptable cable types for special occupancies.

a. True
b. False

Answer 1

b. False

p 22-4

Bundled and hybrid cabling per ANSI/TIA-568.2

Question 2

An ingress protection (IP) code takes the form of IPxy, where “x” represents the capability to resist penetration from foreign objects. An “x” value of “0” represents:

a. Protection from penetration of solid objects greater than or equal to 1 mm (0.04 in)
b. No protection (unprotected)
c. Dust-tight protection
d. Protection from penetration of solid objects greater than or equal to 50 mm (2 in)

Answer 2

b. No protection (unprotected)

p 22-10

Question 3

For industrial areas, TIA-1005 defines three areas. Which one of the following is not one of those areas?

a. Material storage areas
b. Automation island areas
c. Work areas
d. Factory floor area

Answer 3

a. Material storage areas

p 22-1

Question 4

An ingress protection (IP) code takes the form of IPxy, where “y” represents resistance to water. A “y” value of “4” represents protection from:

a. Vertically falling drops of water while enclosure is tilted up to 15 degrees
b. Water sprayed up to 60 degrees from both sides of vertical
c. Water splashed from all directions
d. Jets of water spraying from all directions

Answer 4

c. Water splashed from all directions

p 22-10 Table 22.2

Question 5

An indoor enclosure with a NEMA rating of 2 may be ventilated.

a. True
b. False

Answer 5

a. True

p 22+12 - 1652

See Table 22.4