BICSI INSTALLER 1 CORE EXAM MANUAL QUESTIONS AND
ANSWERS 2025/2026 ALL RATED A+
✔✔What is the next layer out from the core Layer on fiber? - ✔✔Cladding.
✔✔What is the next layer out from the Cladding Layer on fiber? - ✔✔Acrylate Coating.
✔✔What is the diameter of Acrylate Coating? - ✔✔250 Micron.
✔✔What is the next layer out from the Acrylate Coating later on fiber? - ✔✔Tight Buffer.
✔✔What is the diameter of the Tight Buffer Layer of fiber? - ✔✔900 Micron.
✔✔What is the Fiber Color Code? - ✔✔Blue, Orange, Green, Brown, Slate, White, Red,
Black, Yellow, Violet, Rose, Aqua.
✔✔What is the Proper name for a breakout Kit? - ✔✔Furcating Harness
✔✔What is another name for an Array Connector? - ✔✔MPO Connector
✔✔What is the maximum db loss you can have on a OM1-5 cable at 850 Nanometer
wavelength? - ✔✔3.0 db loss
✔✔What is the maximum db loss you can have on a OM1-5 cable at 1300 Nanometer
wavelength? - ✔✔1.5 db loss
✔✔What is the maximum db loss you can have on a OS1 cable per 1000m? - ✔✔1 db
loss
✔✔What is the maximum db loss you can have on a OS2 cable per 1000m? - ✔✔0.4 db
loss
✔✔What are the two types of dispersion called? - ✔✔Chromatic
Modal
✔✔What type of dispersion is in Singlemode Fiber? - ✔✔Chromatic
✔✔What type of dispersion is in Multimode Fiber? - ✔✔Modal
✔✔What is OFCP? - ✔✔Optical Fiber Conductive Plenum
✔✔What is OFNR? - ✔✔Optical Fiber Non-conductive Riser
, ✔✔What are the four Telecommunications Spaces? - ✔✔EF - Entrance Facility
ER - Equipment Room
TR - Telecommunications Room
TE - Telecommunications Enclosure
✔✔What is the size of a Work Area? - ✔✔10ft x 10ft.
✔✔How many levels of backbone are allowed in a structured cabling system? - ✔✔2
✔✔What is a backbone Cable? - ✔✔Cable that connects Closet to Closet.
ER to TR
EF to EF
TR to TR
✔✔What is a Horizontal Cable? - ✔✔Cable that goes from TR to the Work Area
✔✔What is the maximum distance of any Horizontal Cable? - ✔✔295ft
✔✔What is the maximum distance of a UTP 25-pair Backbone Cable? - ✔✔800 Meters
✔✔What are two types of Specialty Fasteners? - ✔✔Drive Ring
Bridle Ring
✔✔What are the ways to install string in a conduit? - ✔✔Fish Tape
Blowing & Vacuuming
✔✔A roll type cutter should or should not be used on EMT? - ✔✔Should not.
✔✔Hand bending conduit can be used up to what trade size? - ✔✔1.25in
✔✔How long is a conduit segment? - ✔✔100ft
✔✔How long is a conduit section? - ✔✔10ft
✔✔How far should conduit protrude up through structural floor? - ✔✔1-3 Inches
✔✔What is the bend radius of 4 pair UTP? - ✔✔4 times its diameter
✔✔What is the Inside bend radius of a conduit less that 2 Inches? - ✔✔6 times inside
radius
✔✔What is the inside bend radius of a conduit greater than 2 inches? - ✔✔10 times
inside radius
ANSWERS 2025/2026 ALL RATED A+
✔✔What is the next layer out from the core Layer on fiber? - ✔✔Cladding.
✔✔What is the next layer out from the Cladding Layer on fiber? - ✔✔Acrylate Coating.
✔✔What is the diameter of Acrylate Coating? - ✔✔250 Micron.
✔✔What is the next layer out from the Acrylate Coating later on fiber? - ✔✔Tight Buffer.
✔✔What is the diameter of the Tight Buffer Layer of fiber? - ✔✔900 Micron.
✔✔What is the Fiber Color Code? - ✔✔Blue, Orange, Green, Brown, Slate, White, Red,
Black, Yellow, Violet, Rose, Aqua.
✔✔What is the Proper name for a breakout Kit? - ✔✔Furcating Harness
✔✔What is another name for an Array Connector? - ✔✔MPO Connector
✔✔What is the maximum db loss you can have on a OM1-5 cable at 850 Nanometer
wavelength? - ✔✔3.0 db loss
✔✔What is the maximum db loss you can have on a OM1-5 cable at 1300 Nanometer
wavelength? - ✔✔1.5 db loss
✔✔What is the maximum db loss you can have on a OS1 cable per 1000m? - ✔✔1 db
loss
✔✔What is the maximum db loss you can have on a OS2 cable per 1000m? - ✔✔0.4 db
loss
✔✔What are the two types of dispersion called? - ✔✔Chromatic
Modal
✔✔What type of dispersion is in Singlemode Fiber? - ✔✔Chromatic
✔✔What type of dispersion is in Multimode Fiber? - ✔✔Modal
✔✔What is OFCP? - ✔✔Optical Fiber Conductive Plenum
✔✔What is OFNR? - ✔✔Optical Fiber Non-conductive Riser
, ✔✔What are the four Telecommunications Spaces? - ✔✔EF - Entrance Facility
ER - Equipment Room
TR - Telecommunications Room
TE - Telecommunications Enclosure
✔✔What is the size of a Work Area? - ✔✔10ft x 10ft.
✔✔How many levels of backbone are allowed in a structured cabling system? - ✔✔2
✔✔What is a backbone Cable? - ✔✔Cable that connects Closet to Closet.
ER to TR
EF to EF
TR to TR
✔✔What is a Horizontal Cable? - ✔✔Cable that goes from TR to the Work Area
✔✔What is the maximum distance of any Horizontal Cable? - ✔✔295ft
✔✔What is the maximum distance of a UTP 25-pair Backbone Cable? - ✔✔800 Meters
✔✔What are two types of Specialty Fasteners? - ✔✔Drive Ring
Bridle Ring
✔✔What are the ways to install string in a conduit? - ✔✔Fish Tape
Blowing & Vacuuming
✔✔A roll type cutter should or should not be used on EMT? - ✔✔Should not.
✔✔Hand bending conduit can be used up to what trade size? - ✔✔1.25in
✔✔How long is a conduit segment? - ✔✔100ft
✔✔How long is a conduit section? - ✔✔10ft
✔✔How far should conduit protrude up through structural floor? - ✔✔1-3 Inches
✔✔What is the bend radius of 4 pair UTP? - ✔✔4 times its diameter
✔✔What is the Inside bend radius of a conduit less that 2 Inches? - ✔✔6 times inside
radius
✔✔What is the inside bend radius of a conduit greater than 2 inches? - ✔✔10 times
inside radius
