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CIS1295 CHAPT 1

CHAPT 1 SLIDES

QuestionAnswer
Typically, telephone cabling consists of how many wires? Two
The type of cabling where two wires are twisted around each other to prevent signals from one pair leaking into the other Twisted-pair
A type of cable that uses pulses of light to transmit data through glass threads Fiber-optic
These stop the flow of electrons and reduce the hazard of electrical shock and fire. These devices protect personnel, buildings, and the lab from harmful electricity Ground Fault Circuit Interrupters (GFCIs)
Provides a means for various wiring fixtures to interconnect with the grounding system Bonding
Minimum distance needed between voice and data cabling and high-voltage wiring 6 feet, or 1.8 m
The noise from electrical circuits or devices that can interfere with data signals, thus distorting them and causing general communications problems Electromagnetic Interference (EMI),
Can be the most damaging and uncontrollable form of electricity Electrostatic discharge (ESD), more commonly known as static electricity
Fire Extinguisher Letter Rating for Ordinary materials (burning paper, lumber, cardboard, plastics) A
Fire Extinguisher Letter Rating for Flammable and combustible liquids (gasoline, kerosene, solvents) B
Fire Extinguisher Letter Rating covering Electrical equipment such as appliances, switches, panel boxes, and power tools C
Fire Extinguisher Letter Rating covering Combustible metals such as magnesium, titanium, potassium, and sodium D
Created by: pjwarez