CID Chapter 11 Flashcards
A(n) ___ cable is a cable that is used to transmit high-frequency signals and consists of a central copper conductor surrounded and held in place by an insulator, which is then covered with a braided conductor shield.
Coaxial
Holes are drilled in the bottom of the duct to accommodate a(n) ___ that senses the presence of smoke and an exhaust tube that removes air that has been circulated through the inlet tube.
inlet tube
A good signal reading on a fiber optic connector is dependent on the ___.
quality of the polish
The “8P” designated plug and connector indicates there are 8 ___.
positions for conductors across the width of the device
A(n) ___ entrance provides a pathway for conduit, cable trays, and sideways for both communication and power circuits.
tunnel
A(n) ___ circuit connects visual and/or audible alarm devices to a fire alarm system.
notification appliance
The ___ publishes ANSI-approved standards regarding the performance specifications of telecommunications and electronics systems.
NECA
A ___ is an opening through a barrier, such as a wall, to allow the passage of pathways, raceways, cables, piping, ductwork, and other such systems.
penetration
A(n) ___ IDC block uses silver-plated IDC contacts to provide electrical terminations.
LSA
___ is constructed for non-power-limited fire alarm circuits and designed so as not to require its installation in a raceway except in certain applications, and can be suitable for use in plenums.
Non-power-limited fire cable—plenum
Visible notification appliances must. be installed a maximum distance of ___’ from the end of a corridor and spaced a maximum distance of ___’ apart within the corridor.
15, 100
A(n) ___ circuit is connected to a fire alarm control panel at only one end of the circuit and uses an end-of-line device (resistor or relay) at the other end.
class B
Smoke detectors mounted on walls must be a minimum distance of ___” from ceilings.
4
Most copper installations consist of CAT ___ cabling.
5e
A(n) ___ is a short-distance data communication network for a specific user group throughout a group of interconnected computers that share common applications, data, and peripheral devices.
local area network (LAN)
An equipment rack is a vertical metal frame rack installed to support larger structured cabling equipment and components and is also referred to as a(n) ___.
cable management system
A(n) ___ is hard-wired telephone service that provides service to single-line telephone systems.
plain old telephone service (POTS)
A ___ converts sound pressure waves into a modulated current signal.
handset transmitter
Installed equipment racks must have a clearance of ___” front and back.
36
A ___ contains connecting hardware used to patch between groups of cables and equipment.
patch panel
A(n) ___ serves as the main collection point for a telecommunications system’s grounding system.
primary bonding busbar (PBB)
___ is the process of installing engineered materials or devices as a barrier in an architectural structure to prevent the passage of flames, liquids, or gases through the barrier.
Firestopping
A(n) ___ system automatically controls functions such as heating, cooling, and ventilation (HVAC), lighting, security, process control, and fire/heat detection and alarm.
building automation
A(n) ___ plug is adopted by the Federal Communications Commission (FCC) as the standard interface for telephone and data equipment for public network.
modular
Horizontal cabling runs in work areas have a maximum distance of ___m.
90
