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BICSI ITS 2
IN225: BICSI ITS installer Copper II
| Question | Answer |
|---|---|
| what does OSHA stand for? | Occupational Safety and Hazard Administration |
| If an accident victim is conscious, what is the first thing you should do? | ask questions to get information |
| When surveying a victim, what does the "B" in ABC stand for? | Breathing |
| when does the NEC require the use of a GFCI? | when at a construction site when outside when it is damp |
| what ladder aterials can be used around electricty? | wood fiberglass non conductive |
| how far should the base of an extension ladder that is extended 40 feet up, be placed from the surface its's positioned against? | 10 feet: .25(40) |
| ITS cabling installers must wear hard hat that provide protection from | falling object electrical protetion from at least 2200volts blow to the head |
| T/F ITS installers must wear a ful body harness and one lanyard any time they use a boom life | true |
| in relation to fire safety, what does the C in RACE stand for? | confine |
| who is responsible for providing MSDS | manufacturer |
| What is used to neutralize small acid spills on a surface | baking soda |
| who is responsible for on the job safety | everyone |
| what transmission method is able to transmit signals in either direction but only one direction at a time | half duplex |
| the number of cycles a signal is repeated in a given time period is defined as the | frequency |
| how many sine waves are in 5 Hz | 5 |
| an analog signal varies in what two aspects | amplitude and frequency |
| what device converts a computer's digital 1s and 2s into two separate analog frequencies for transmission on a standard telephone line | modem |
| the ratio of input power to output power is expressed in | decibels |
| how much of a change in dB is require to double or half the power | 3 dB |
| how many watts of power are represented by 0dBm | 1mW |
| the range between the highest and lowest frequencies for an analog system is defined as its | bandwith |
| if V=10V and I=2A the R=____? | 5 ohms: R=V/i |
| in ac, the total opposition to current flow is called | impedance |
| what type of media is considered balanced | UTP cable and SPT |
| what type of media is considered unbalanced | coaxial |
| what is the name of the device used to interface between a balanced and unbalanced circuit | BALUN |
| what term describes the differece in the propagation delay between a cable's fastest and slowest pairs | delay skew |
| how many backbone levels are allowed in a structured cabling system | 2 |
| what is the term that identifies where the service provider relinquishes circuit responsibility to the customer | Demarc |
| where do outside plant cables enter the building | EF |
| what is the most economical permanent entrance over the life cycle of a building | underground |
| what service entrance has the lowest installation cost | aerial |
| what is the minimum number of cables to a work area | 2 |
| max length of an equipment cord is | 5m/16.5ft |
| what is the max length for a horizontal cable | 90m/295ft |
| what item does a consolidation point (CP) provide | a "splice" in the horizontal cable run |
| what color termination field identifies common equipment | purple |
| what is the BICSI recommended width of cable tray to be mouted on same wall as backbone | 12in/300mm |
| how high should the bottom of plywood be mounted above the finished floor | 200mm/8in |
| what are the two common widths that are available for equipment racks | 19in and 23in |
| what is the amount of vertical space associated with a rack unit | 1.75in |
| which of the following pathways has the thinnest wall thicness and uses fittings that are threaded onto it | IMC |
| limit flexible conduit to a length of | 20 ft |
| a hand bender can be used for conduits up to _______ diameter | 1.25 trade size |
| what is the minimum bend radius for a 2 in conduit | 12 inches |
| bend radius under 2 inches you multiply by___ | 6times |
| bend radius over 2inches ou multiply diameter by___ | 10times |
| T/F...roll type cutter should be used on EMT | false...should not be used |
| what are the max number of 90 degree bends allowed between two pull bocs that are 30ft apart | 3 |
| installed open top cable supports will provide min of _____ inches clearance above ceiling | 3in |
| what is the min recom AWG for a GE | 6 |
| secondary protectors are installed to handle | sneak currents |
| what is the min AWG to bond UTP circuit protectors with 6 pairs | 10AWG |
| category 5e UTP cable has transmission characteristics speciied up to | 100MHz |
| stranded patch cords typically have ____loss compared to horizontal cables | more |
| which of the following is a characteric impedance of STP cable | 100ohm |
| which of the following is a characteristic impedance of series 6 cables | 75ohm |
| what type of connector is used to terminate series 6... | F or BNC |
| what can be used to pull or support a cable in the middle (not the end) | split wire mesh grip |
| what type of pathway is approved to pull through | conduit |
| when pulling in an open ceiling around a sharp corner, what must be done | either use a pulley or position a person to manage the cable around the corner |
| when TRs are stack, they typically are connected with | sleeves |
| the most common principle in firestopping is | compartmentation |
| the NEC require that only ______ cable be installed inside buildings | listed |
| Which is better for an L rating | (air leakage) Low numbers |
| what property allos a firestop to develop a hard char and become rigid when exposed to heat | ablative |
| a pip choke assembly is comprised of a metal collar surrounding a________material | intumescent |
| which is the recommended method of balanced twisted pair termination | IDC |
| what pair count are BIX hardware frames available in | 50, 250, 300, 900 |
| what pair ount are 110 hardware frames available in | 50 100 300 900 |
| max pair untwist for category 3 utp is____ | 3 inches |
| max pair untwist for cat 5 and up is | .5 inch |
| what splicing technique allows slack for future maintenance | foldback |
| which is not a 25 pair modular splicing connector configuration | butt |
| what test will show the elapsed time difference between a UTP cables fastest and slowest pairs | delay skew |
| what should be verified when your known legth of cable tests longer than expected | the testers NVP calibration |
| what can cause excessive NEXT | wrong category cable |
| communication is ___% body language | 55 |
| what document is used to solicit for aquote and a design that meets a predetermined set of criteria | RFP |
| what type of cutover will cause the customer to lose all communication during the cut | hot |
| what type of cutover continually relocates the customer into refurbished spaces | swing floor phasing |
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dtk96190