CORRECT LATEST UPDATE.
✅What is OFNR? Answer: Optical Fiber Non-conductive Riser
✅What are the four Telecommunications Spaces? Answer: EF - Entrance Facility
ER - Equipment Room
TR - Telecommunications Room
TE - Telecommunications Enclosure
✅What is the size of a Work Area? Answer: 10ft x 10ft.
✅How many levels of backbone are allowed in a structured cabling system? Answer: 2
✅What is a backbone Cable? Answer: Cable that connects Closet to Closet.
ER to TR
EF to EF
TR to TR
✅What is a Horizontal Cable? Answer: Cable that goes from TR to the Work Area
✅What is the maximum distance of any Horizontal Cable? Answer: 295ft
✅What is the maximum distance of a UTP 25-pair Backbone Cable? Answer: 800 Meters
✅What are two types of Specialty Fasteners? Answer: Drive Ring
Bridle Ring
, ✅What are the ways to install string in a conduit? Answer: Fish Tape
Blowing & Vacuuming
✅A roll type cutter should or should not be used on EMT? Answer: Should not.
✅Hand bending conduit can be used up to what trade size? Answer: 1.25in
✅How long is a conduit segment? Answer: 100ft
✅How long is a conduit section? Answer: 10ft
✅How far should conduit protrude up through structural floor? Answer: 1-3 Inches
✅What is the bend radius of 4 pair UTP? Answer: 4 times its diameter
✅What is the Inside bend radius of a conduit less that 2 Inches? Answer: 6 times inside
radius
✅What is the inside bend radius of a conduit greater than 2 inches? Answer: 10 times inside
radius
✅What is the bend radius of number 6 guage ground wire? Answer: 8 times its diameter
✅What is the pulling tension of 1, 4 pair UTP cable? Answer: 25 Pounds
✅What is the pulling tension of 20, 4 pair UTP cables? Answer: 25 pounds
✅What two tools or apparatus should you use to change directions horizontally or vertically
when pulling cable? Answer: Pulley
Bullwheel