EESTX 33108 Limited‑Energy Cabling Practice Test

These questions are part of the practice quiz. Start practicing

• How can EMI problems be minimized in a wiring system?
• What device is installed to protect cables from damage by drywall screws or nails?
• What should be done if a cable run must cross a power line?
• What type of cable is typically used for alarm systems in limited energy applications?
• A colored band, strip, or thread used to identify a cable is known as a(n) ________.
• What should be used to protect low-voltage wiring in areas where it may be exposed to physical damage?
• Why is cable shielding important in limited-energy applications?
• The 10 base 2 cable specification for network cables is referred to as _____.
• What is the name of the steel mesh device used to attach a cable to a pulling rope?
• What type of topology provides a direct connection between devices in a network?
• What tool is essential for accurately measuring and cutting cable lengths in installation?
• Cables labeled as CMX are typically used in which type of setting?
• What is the risk associated with improper installation of limited-energy cabling?
• When comparing Grade 1 service to Grade 2 service in low-voltage installations, which is a key characteristic of Grade 2 service?
• Which type of cable can help alleviate most EMI problems by separating low- and high-voltage?
• What important factor must be considered when planning cabling layout in new builds?
• What potential problem can electromagnetic interference (EMI) cause in a wiring installation?
• All communications cable can be used in cable trays except for which type?
• The flat steel wire or fiber cord that is pushed or pulled through a conduit is called a(n) _____.
• The term community access television is abbreviated as _____.
• In a power fishing system, what is the role of the fish line?
• Why is it essential to maintain distance between limited-energy and power cabling?
• Which thermoplastic is the most widely used for cable jackets?
• What is the typical core diameter of single-mode optical fiber?
• What is the primary concern when installing cabling in areas with high electromagnetic interference (EMI)?
• In an optical fiber cable, what creates the reflective boundary?
• Why is it important to label cables during installation?
• What are the implications of exceeding the maximum cable length specified for limited-energy cabling?
• What should be used to prevent cable tangling during pulling?
• For which application are twisted pair cables primarily used?
• What is the significance of adhering to local building codes in cabling installations?
• What is the primary purpose of using NM (non-metallic) cable in residential applications?
• Why is it important for limited-energy installations to follow local codes?
• What is the minimum bend radius for limited-energy cables during installation?
• What does the term "grounding" refer to in limited-energy cabling?
• What is the function of a cable shield?
• What is the primary purpose of using a steel plate in cable installations?
• Which cable type uses copper conductors twisted together to reduce interference?
• What should be checked first when troubleshooting an electrical issue with low-voltage systems?
• Tight-buffered optical multi-fiber cable is primarily used in what type of installations?
• In addition to preventing tangling, what is one advantage of using a clevis in cabling?
• Wires used to connect the foil shield of a cable to ground are _____.
• What does it mean for a cable to be 'certified'?
• Which NEC article covers communications circuits?
• Which type of cable is not recommended for under-carpet installations?
• To minimize electromagnetic interference (EMI), how many inches should be maintained between power cables and unshielded communications cables?
• What is the primary purpose of a distribution frame in limited-energy cabling?
• Horizontal four-pair cable is typically run between which two locations?
• What device is likely to be needed when vertically pulling heavy cable from the top down?
• For commercial premises wiring, how much work area should one telecommunications room (TR) service on each floor?
• Which type of wire is primarily used for grounding in low-voltage systems?
• What is a common property of low voltage wiring systems?
• A loss of signal power that is measured in dB is referred to as _____.
• What is a key factor when selecting limited-energy cabling for outdoor use?
• Which type of cable usually allows for the highest data transmission rates?
• What does NEC stand for in cabling regulations?
• What are two common types of outside plant cabling installations?
• What is a common use for twisted pair cables in limited-energy applications?
• In terms of installation, which is crucial when working with electric cables?
• What type of cable is NOT generally used in plenum spaces?
• How does environmental factor impact cabling installation?
• What is the bandwidth capacity of Category 7a UTP cable?
• Why should installers avoid running cables in areas with excessive humidity?
• What is a 'drop wire' in limited-energy cabling terminology?
• In which residential wiring configuration are the tip and ring wires run in a circular pattern?
• What is a common technique to detect potential issues in conduit before installing cables?
• When installing interior low-voltage residential cables, how close can power-limited fire alarm cables be to power cables if a barrier is present?
• What is a key feature of twisted pair cabling?
• The amount of continuous current a conductor is able to carry without exceeding its temperature is known as its _____.
• What is considered a good pathway for limiting inductive or radiated electromagnetic interference?
• What designation does a multi-purpose communications wire or cable for general use typically have, except in plenums and risers?
• A measurement of the opposition to the flow of alternating current is known as _____.
• What is the primary advantage of using low voltage LED lighting systems?
• Which of the following is NOT a common limitation of using limited-energy cabling?
• How are fire ratings of cables determined?
• How does coaxial cable compare to twisted-pair conductors?
• What might happen if unused conductors are not terminated in a system?
• What is referred to as the item that is "vacuumed" through a run when using a fish tape unit?
• The AWG wire size capable of carrying the MOST current is _____.
• What device can make pulling backbone cable easier in cable trays?
• What is a major concern when installing cabling in commercial buildings?
• Which type of cable is best suited for CCTV systems in limited-energy applications?
• During every cable pull, what is essential for communication?
• What marking designates a power-limited fire alarm cable suitable for plenums?
• The cord used in power fishing systems is known as a(n) _____.
• The support member used to carry the weight of a cable is called a(n) _____.
• What should a technician avoid exposing fish tape to?
• How can hidden obstructions in the conduit be detected before a cable pull?
• What is the method used for grounding on a shielded cable?
• What is the purpose of a patch panel in a cabling installation?
• When conduit is not installed in new residential low-voltage construction, what method can be used to pull cables?
• According to ANSI/TIA-570, what is the minimum number of outlets that must be installed in each bedroom?
• What is the maximum amount of pulling tension for UTP cable, as a general rule?
• How should limited-energy cabling be routed in relation to power cabling?
• What does the term ‘attenuation’ refer to in cabling?
• What is the purpose of using a splice in cabling?
• What is the range of solid wire sizes for low-voltage cable?
• What is the recommended distance for cable runs in low voltage applications?
• A multi-conductor cable consisting of two or more twisted copper conductors is a(n) _____.
• What is one method for testing limited-energy cabling?
• What should be considered when planning cable pulls in terms of communication equipment?
• In optical fiber light transmissions, total internal reflection occurs at which interface?
• A data network arrangement in which all the devices are connected to a common hub is known as a(n) _____.
• What is fiber optic cabling primarily used for?
• What additional service does Grade 2 residential low-voltage cable installations provide compared to Grade 1?
• When pulling high-speed data cables, what is the maximum pulling tension recommended?
• What material is often used in the construction of fire-resistant cables?
• What is a critical guideline for installing commercial cable?
• How should limited-energy cables be terminated?
• What does 'cross-talk' refer to in cabling terminology?
• What type of circuits are power-limited Class 1 circuits primarily designed for?
• Name a common application for limited-energy cabling.
• What is typically used as insulation in optical fiber cables?
• What type of installation might necessitate the use of fiber optic cabling?
• Why is it necessary to follow proper grounding techniques in cabling systems?
• What is a common reason for installing more than one telecommunications room in a commercial building?
• What characteristic should any rope used for pulling cable through conduit have?
• What is the primary concern of cable management in installations?
• The central distribution equipment in a residential installation is known as the _____.
• The insulation commonly used on plenum-rated cable is _____.
• Which NEC article covers the installation of optical fiber?
• What are plenum-rated cables designed for?
• What action is critical when pulling cables to ensure safety and efficiency?
• EMI in low-voltage circuits is often the result of what?
• What is the main advantage of using modular connectors in limited-energy applications?
• Which type of cabling uses light signals to transmit data?
• What is the primary characteristic of riser-rated cable?
• What is the main function of a power fishing system in cable installation?
• Which of the following are common types of limited-energy cabling used in installations?
• What is the main purpose of cable management systems?
• Which of the following best describes the term "backfeed" in residential wiring?
• Which signal-return wire design must be used to prevent electromagnetic interference?
• What is the difference between plenum and non-plenum rated cabling?
• The NEC® requires that low-voltage and optical fiber cable be _____.
• A fish tape should never be used near or in what?
• Which device is used to connect a pulling rope to a cable during installation?
• What are the benefits of using twisted pair cabling?
• For coaxial cable under load, what is the minimum bend radius?
• Which type of wiring is not suitable for installations that could be directly exposed to moisture?
• Which type of cabling has lower fire ratings and is often used within walls?
• What is typically a characteristic of low-voltage installations?
• What is the maximum voltage allowed for limited-energy circuits under NEC guidelines?
• What is the purpose of a messenger in cabling?
• What type of certification is often required for limited-energy cabling installers?
• What is a key benefit of using shielded cables in limited-energy installations?
• Which construction material is typically used for low voltage cables?
• What type of connectors are commonly used with fiber optic cables?
• What type of test results should be expected from a correctly installed limited-energy cabling system?
• Power-limited Class 1 circuits are restricted to a maximum voltage of how many volts?
• Which section of the NEC specifically addresses low voltage and limited-energy installations?
• In limited energy applications, what must be ensured when using multiple cable types?
• The standard conductor material for low-voltage cable is _____.
• For Class 2 and Class 3 circuits, what type of cable must be installed in open spaces above ceilings or below floors?
• According to the NEC®, what is the maximum voltage allowed on nonpower-limited circuits?
• What type of insulation is commonly used for low-voltage wire?
• In network cabling, what does the term "hub" refer to?
• Which component is crucial for connecting multiple low-voltage devices together?
• What does the abbreviation CATV stand for?
• What is a common factor that can affect the performance of limited-energy cabling?
• Low-power, network-powered broadband communication cables are permitted in raceways or enclosures with what?
• What is essential to every cable pull?
• How many communications outlets should each bedroom in a residence have at a minimum?
• In a structured cabling system, what is the role of horizontal cabling?
• When installing new cabling, which method is essential for verifying signal integrity?
• What is the ideal wire gauge for limited-energy applications?
• What is the minimum grade of UTP cable acceptable for new telecommunications installations?
• A cylinder that is propelled through a conduit by a power fishing system is called a(n) _____.
• Random electrical energy that can interfere with electronic equipment and signals is known as what?
• What is the purpose of a clevis in cable installations?
• To minimize interference from sources of EMI, cables should cross each other at what angle?
• When installing low-voltage wiring, what is the recommended separation distance from high-voltage wiring?
• Wiring within a structure is referred to as _____ wiring.
• Which of the following cabling types is specifically designed for outdoor use?
• What installation method helps reduce cable interference?
• What term refers to the ability of a conductor to carry a specific amount of current without overheating?
• Which type of cable is commonly used for limited-energy applications?
• What is the primary purpose of limited-energy cabling?
• Which factor is NOT a consideration for the placement of low-voltage cabling?
• What aspect of limited-energy cabling helps ensure code compliance?
• In what application might you most likely find PoE technology?
• For horizontal pulls of backbone communication cable, what is the maximum distance between pull points?
• What kind of applications usually utilize tight-buffered optical multi-fiber cable?
• What category of twisted pair cabling is commonly used for Ethernet networking?
• When comparing an AWG number to current carrying capacity, what is true?
• What is primarily used in a power fishing system to pass through a raceway?
• What type of safety standard is involved in the use of cables listed as CMR?
• When pulling an optical fiber cable, where should the pull line be attached?
• Which type of cable typically handles higher data transmission speeds over longer distances?
• In limited-energy cabling, what is the function of a surge protector?
• Where can the installation specifications for Class 1, 2, and 3 applications be found?
• What does the abbreviation PoE stand for?