power limited

So anyone can service it, easier to service,

Why is it important to have standards for structured cabling

Star configuration

What is the current topology configuration for commercial and residential

2 cat 6a cables

How many and what type of cable is typically pulled to each work outlet in a commercial building?

Data and phone

What is cat6a cable used for

Horizontal up to work stations, phones, printers

Where is horizontal cabling used?

Fiber between data closets

Where is backbone cabling used

568A, 568B

What are the two wiring configurations used with UTP cable?

1000 ft

How many feet of cat5E cable comes in a box

No

Does TIA 568 allow you to splice cat5E

300 ft

What is the maximum cat5E for horizontal cabling?

Easy to change things/reconfigure things

Why are patch panels used?

Old government buildings

Where is T568A commonly used?

All other

T568B is commonly used in _____ applications

Where it transitions from utility wearing to building wiring

What is a demarcation point?

Half inch

What is the maximum distance you can un twist CAT5E at each termination?

1 inch

What is the maximum amount of jacket that can be removed from Cat5E cable at each termination

No

Is it OK to sharply bend or kink cat 5E as long as you straighten it out right away

Wider and more support

Why are Velko straps recommended over plastic tie straps

No

Is splicing Cat5E acceptable

25 pounds

What is the maximum amount of pulling force you can put on a cat5E

5 feet

What is the maximum distance for supporting cat5E

No

Can cat5E lay on ceiling tile

Bushing

What should be used when passing cables through a steel stud

Bring it back up to its fire rating

What must be done when penetrating a firewall

Faster, no EMI, goes longer distance because no voltage drop

What are two advantages of fiber cables over copper cables?

More expensive, more fragile, not available to everyone

What’s a disadvantage of fiber, cables compared to copper cables

Fish sticks

What is the name of the fiberglass rods used to pull or fish cables across the ceiling?

Pulling cable into conduit and pulling cable up walls

What are the two most common uses for fish tapes?

Going to a live panel or pipe/conduit

When would a fiberglass fish tape be recommended?

Liter

What is the flexible end that can be installed on a fish tape called?

Kitestring/jetline

What is the name of the thinness posting that can be used with a mouse?

Polyline

What is the name of the pole string that generally comes in a bucket?

The thinnest

What thickness of plastic works best for making mice?

Sharp corners on the grid

What must you be careful of when pulling cat6A Cable through an existing ceiling grid

Crushes/chokes the conductor, and it produces EMI making the magnetic field stronger

Why are plain brittle rings no longer recommended

Drop in, nailing, hollow wall, plastic anchors

Name three types of concrete anchors

Posted at every entrance, collect Shell casings, have an HILTI card

What does OSHA require when using a powder actuated tool?

New

Do pins seem to fast and better in new or old concrete

Going through floors or walls

What and where is a sleeve used?

Gotta be bushed and sealed with fire chaulk

What must be done on each end of a sleeve?

Gotta put bushings in

What must be done when running LV through a steel stud

5/8

How thick does fire caulk have to be?

Must be tooled on

How should fire caulk be applied

Mineral wool

What can be used as a backer or support for applying fire caulk

Red yellow grey

3 most common colors of fire caulk

In ductwork that penetrate a firewall

Where are fire dampers used?

You can add and remove cable really easy

Why are manufactured fire sleeves commonly used for LV when penetrating a firewall?

With clean hands use fist or the back of your hands and push-up

Describe the best way to remove a ceiling tile

RG6

What is a common coax cable used today?

Female compression connectors

What is the fitting we will be crimping on the end of the coax

A splitter

What is the device that will branch out a coax signal?

An enclosure that supplies the device with power, similar to a transformer, but has a location for battery backup at the bottom

Pertaining to low-voltage what is a power supply?

Crash bars/power doors, mag locks, access control systems, door holds

Name three systems that may require you to install power supply

The voltage drop

What is an important factor to consider when locating a power supply?

Access control

Where and what are card readers used for?

Used to bring power to a door

What is a transfer hinge

Egress doors, electrical doors

What are crash bars in a commercial building?

Access control

When are power latches used?

So voltage drop doesn’t disable the doors

Why is it important to have power supplies located close to crash bars?

2

How many wires are typically needed for handicap paddles?

120 V

What is the typically powered required for a power activated door opener?

Electromagnetism

How do electric power door holds work?

24v, 120v, 12v but less common

What are three common voltages for power door holds?

Fire doors

What type of door is typically used with power door holds?

Fire alarm circuit/panel

What type of circuit is usually associated with power door holds?

Framing between doors and windows

What is a mullion?

Electromagnet used to keep people in used in. 24v

What is a mag Lock? And what voltage do they operate at?

Childcare and memory care

What two locations might use mag locks?

The door frame

Where is a power strike located on a door?

The door itself, needs power transfer hinge

Where is a power latch located in door?

You put conduit in

How is the wiring brought to a power strike?

Conduit

How was wiring brought to a power latch?

Boosting cell signal in a building. RG6 coax

What are cell repeaters used for? What cable do they typically use?

Dielectric

What is the white material called in coax?

Shielding

What is the foil and braiding called in a coax cable?

Hold signal in, prevents from leaking out, reduces EMI

What is the purpose of the foil and braiding?

If it’s Plenum rated, no ductwork for return air

What is extremely important to know about a ceiling space of a building before ordering and installing any cable, plastic hangers, or cable ties?

Cat6A

What is the lowest grade data cable that can be installed under current 568 standards?

RJ 45

What is the jack called that is installed at either end of a copper patch cable

Keystone

What is the component that data cable is punched down to and is used in a wall outlet?

Keystone face plate

What is the component called? That covers a typical work data outlet in a commercial office

Assembly of units used to support cables

What is a cable tray?

Down in the bottom channels

In a modular office furniture, where is the wiring run?

Power poles, bring down wall or column

What are two ways to tie office furniture to the building electrical system and bring in data cable

Put a ring in, pull cables, coil in ceiling

How do you roughen a data outlet for a typical office building wall?

It gets coiled up

What is done with the extra data cable that is pulled to a workstation in module office furniture

Floor box, flat conductor cable, power pole

In an upper floor conference room list Three ways power and data can be run to a conference tables in the middle of the room

Acts like a switch that uses electromagnetism to switch

How does a relay work?

One circuit controlling another circuit

Quick definition of remote control

Coil and Contacts

Two main parts of a relay

Coil

What side of the relay is the control side?

Contacts

What side handles a load?

Deenergized

Relay contacts are called out when the relay is