Motorola Standards and Guidelines for Communication Sites (R56) Practice Test

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• Is it permissible to use the entry plate holes for tower light power, building ground, and control cables?
• External Ground Bus Bar requirements specify what characteristics?
• Ground plates thickness
• Increasing the distance between tower and building will raise or reduce the susceptibility of damage due to the lightning?
• What is the specified length for #4/0 AWG conductors?
• How far should ground rods be spaced?
• For bonding the Operator Position SBB, what gauge is specified for runs below 13 feet?
• How should unused ports in the entry plate be sealed?
• How should ground rods be spaced relative to each other?
• What is the minimum distance for grounding metallic objects relative to the external grounding electrode system?
• What is the minimum gauge for a single item bonding conductor?
• What are the grounding conductor protection requirements?
• For Operator Position SBB bonding, which gauge is specified for runs under 13 feet?
• Generators are required to be equipped with Engine High Temp Alarm/Shutdown and Low Oil Pressure Alarm/Shutdown.
• Site Category: Cabinet/Enclosure is defined as housing communication equipment and related systems only, and is occasionally prewired and pre-equipped.
• In a DC plant, what gauge must the SBB to PBB connection use?
• What is the preferred shape and approximate size for the Single Point Entry Window area?
• Hanta Virus is described as a dangerous respiratory illness related to Ebola. How is it contracted and what is its approximate mortality rate?
• Within 24 inches of building entry, alarm circuits terminate to which device?
• What material is recommended for guy wiring bonding?
• Ice Bridge Grounding: The bridge should be bonded to each support post using which gauge?
• Rooftop Communications Shelters shall contain an Internal Bonding and Grounding System (IBGS).
• Which statement best describes the placement of the DC Power System relative to the PBB?
• Each transmitter should have which three protections?
• Which of the following is a major SPD site entrance?
• For #4 AWG bonding conductor, what is the length range?
• Is R56 a Motorola proprietary standard?
• Should grounding conductors be allowed to daisy chain in this setup?
• Concrete Reinforcing Steel, Water Pipe Systems, Metallic Pathways, or Conduits SHALL NOT be used as a bonding backbone conductor.
• The 24 inch measurement is used to determine which practice?
• What is the specified length for #1/0 AWG conductors?
• Which set describes the transmitter protections correctly?
• The 66 Block is categorized as which type of component?
• In lightning prone locations, which conductor size should be considered?
• Which systems must be bonded to the grounding electrode system?
• Reducing the height at which RF Tx lines leave the tower and enter the building will reduce the susceptibility of lightning damage.
• What is the minimum PBB height specified in the standards?
• Which statement about building-entry bonding is correct?
• Is the statement 'Each leg of a self-supporting tower should be bonded using a #6 AWG conductor' true or false?
• Where should Conductive Anti Oxidant Compound be used?
• What is the minimum bending radius specified for grounding conductor runs?
• Which option is NOT listed as a major SPD site entrance?
• Ground rods not driven straight down or at 45 degrees need to be buried horizontally how deep?
• BackBone Bonding Conductor bonds multiple Bonding Backbone Conductors.
• In metallic conduit, conductors should be jacketed.
• Under-floor cable trays can be bonded to which grid if present?
• What is the required distance from a tower for the ground ring?
• Ice Bridge Grounding: Each support must be grounded using which gauge copper?
• How should the wire mesh be secured?
• GES stands for Grounding Electrode System.
• What is the minimum depth below finished grade for a ground rod?
• Which length range applies to a #2 AWG bonding conductor?
• Which statement is correct about bonding in the context of Separately Derived Systems?
• IPBB Requirements include what?
• SBB stands for which term in the grounding and bonding standards?
• What is the target ground resistance for a Type B2 Extra Duty Site?
• Class II LPS is applicable when the building exceeds 75 feet in height.
• Which statement BEST describes Histoplasma habitat?
• What is the required size for the below-ground external grounding conductor?
• How many grounding rods are recommended to meet the grounding goal?
• Which AWG size corresponds to a length of 53-66 ft?
• For bonding the Operator Position SBB, what gauge is specified for runs below 10 feet?
• What does energy coupling describe regarding distance?
• Which site category is used for support communications equipment?
• Which statement best describes ground rod placement?
• Within how many inches of the RF line entrance should the PBB be located?
• What is the minimum diameter of a ground rod?
• What grid size is specified for the grounding wire mesh?
• Where should line bonding at a building entry be placed?
• Which materials are acceptable for the grounding wire mesh?
• What is the required connecting method for grounding electrode conductors?
• What material should be used for Tower Ground Bus Bars when not protected against precipitation runoff?
• The working space must allow cabinet doors to be opened to 90 degrees.
• Type B2 Extra Duty Site is best described as which of the following?
• What is the suggested height of coaxial cables to enter facility above facility door?
• Site Category: Shelter is defined as a permanent structure on foundation, contains communications equipment and related support systems, and is suitable for temporary human occupancy during maintenance.
• For side-mounted antennas, a single ground conductor may be used, but two down conductors are recommended when practical.
• A generator is considered Separately Derived System when the Automatic Transfer Switch breaks the neutral conductor.
• Conductors should be supported at what interval in cable tray?
• For #3 AWG bonding conductor, what is the length range?
• Raised Floor Conductor Securing on pedestal must be at least at what interval?
• Distance from a structural expansion connector to the adjacent side where a support shall be located?
• What compound is used for bonding tinned connections to steel, galvanized steel, or aluminum?
• What is the minimum size for an equipment bonding conductor?
• PDU stands for Power Distribution Unit.
• What is the cable and conductor securing interval?
• Is a site with no tower considered exposed to lightning?
• What is the PBB thickness as specified?
• Within 2 feet of the grounding down conductor, consistent AWG size should be used to the MRPLPR.
• How many extension blocks or receptacle strips are allowed on the same branch circuit?
• If fiber diameter is 0.3 inches, what is the minimum bending radius?
• How far from the PBB does an RF Tx Cable entry have to be to require an Entry Point SBB?
• How many Neutral to Ground bonds are allowed?
• What is the minimum separation between the top of the cable tray and the ceiling?
• Ground Ring Conductor
• What is the interior lighting minimum?
• What size should the single object above-ground external grounding conductor be?
• Rooftop conductor bonding methods include exothermic, irreversible or other fittings listed for use in Lighting Protection Systems (LPS).
• What is the minimum working space depth?
• Bare Conductors shall be supported in what fashion?
• What is the specified length for #3/0 AWG conductors?
• Class II Lighting Protection System (LPS) requires a #2/0 AWG Copper down conductor.
• Histoplasma is described as a fungus that lives in which environment?
• Communication wires can be attached to electrical conduit or raceways. True or False?
• Ground plates shall be made of what materials?
• Breakers and receptacles have to be labeled and correlated at the panel.
• What fire extinguishers are required on site?
• PBB stands for Primary Bonding Bar.
• IPBB Height is typically at what height?
• Objectionable Current is defined as which of the following?
• Which of the following items must be bonded to the Operator Position SBB?
• Which option correctly lists a component that is included in site safety kits?
• For Operator Position SBB bonding, which gauge is specified for runs under 10 feet?
• Government and Local Code take precedence over R56.
• Which site category is intended to house only communication equipment and related systems and is sometimes prewired?
• What is the minimum height above grade that grounding conductors must be protected?
• How deep must ground rods be buried below finished grade?
• Which site category is described as occasionally prewired and pre-equipped?
• Which bonding method is allowed for PBB connections?
• Which of the following is a correct pairing of AWG size and its maximum length?
• Where is the concrete encasement located for a concrete encased electrode?
• What does RBB stand for in the context of site bonding?
• When solar panels are used, batteries should be able to power the site for how long without wind or solar?
• Operator Positions often require a bonded SBB.
• IPBB stands for what?
• What is the specified length for #2/0 AWG conductors?
• There shall be only one grounding electrode system, and all metallic items shall be bonded to it. True or False?
• Ground rods must be buried to satisfy which condition?
• Which conductor size is designated as the bus conductor in this standard?
• What jacket/marking options are acceptable for interior bonding/grounding conductors?
• The primary purpose of bonding all equipment together is to reduce or eliminate a potential difference between conductive materials.
• Which AWG size corresponds to a length of 67-84 ft?
• What is the maximum distance allowed between ground rods placed at corners?
• Raised Floor Conductor Securing when placed directly on sub floor must be at intervals no greater than?
• What does SPD stand for in this context?
• Receptacle strips are allowed to have an ON/OFF switch provided the switch is covered.
• What is the minimum SBB height specified in the standards?
• What is the minimum Size for Single Line SPD?
• What is used to bond detachable metallic parts of equipment cabinets?
• The BackBone Bonding Conductor bonds what?
• Which statement about raised floor securing is correct?
• What is the minimum ceiling height when using 7.5ft racks?
• What does SPD stand for in electrical protection terminology?
• Which disease is contracted by human contact with rodent waste and has about 50% mortality?
• LPS stands for Lighting Protection System.
• What is the bend radius specified for the ground ring?
• Which measurement corresponds to working space height?
• What is the minimum wire size for a multiple-line SPD?
• What is the minimum separation between the top of the equipment rack and the bottom of the cable tray?
• Rooftop tower bonding to the Main Roof Perimeter Lighting Protection Ring requires at least two opposing conductors.
• Are split bolt connections allowed for grounding connections?
• If the PBB is not located in the equipment room, where should the cable tray be bonded?
• Conductors shall be secured at no greater than how many feet?
• Bonding Jumpers are typically what gauge and maximum length?
• Where should all utility entrances be located?
• To bond the SBB to the PBB, what copper gauge is specified?
• IPBB support requirements specify clearance from wall and spacing.
• What is the maximum recommended PBB conductor length and splice condition?
• What is the recommended minimum PBB length according to the specs?
• Ground rods shall be made of copper-clad steel, solid copper, hot-dipped galvanized steel or stainless steel. True or False?
• What is the minimum thickness required for the External Ground Bus Bar?
• Which site category is suitable for temporary human occupancy during equipment installation and maintenance?
• What is the required distance from a building for the ground ring?
• Class I Lighting Protection System (LPS) requires a #2 AWG Copper down conductor.
• What is the minimum working space width?
• Minimum fiber bending radius equals 10 times the diameter. If diameter is 0.25 inches, what is the radius?
• For grounding electrode conductors, which splicing methods are permitted?
• Secondary Neutral-to-Ground bonds are allowed only with a Separately Derived Power Source.
• Which insulation requirement applies to the PBB?
• What gauge conductor should be used to bond each leg of a self-supporting tower?
• Should the DC Power System be installed closest or farthest to the PBB?
• What is the minimum conductor gauge for a bus conductor in this practice?
• Safety Kits shall include acid resistant bib type apron, acid resistant full-face shield, acid resistant gloves, acid neutralizing compound, and non-expired eye wash solution.
• Bond additional fence posts to limit the distance between bonded posts to 40 ft. True or False?
• Bonding conductors ______ decrease in size as the bonding path moves closer to the termination point of the GES.
• The strengthening requirement for the ring connections is to use copper in at least how many points between Building Ground Ring and Tower Ground Ring?
• What is the minimum length of a ground rod?
• Which conductor size is designated as the single item bonding conductor in this standard?
• Bonding Backbone Conductor extends through building connecting which components?
• Which conductor size is used to bond the ground rod to the cabinet?
• What is the recommended Tx Line Bonding Distance?
• Which of the following is a valid major SPD site entrance?
• Which bonding methods are allowed for the Tower Ground Bus Bar?
• Class I LPS requires the building height not to exceed 75 feet.
• What is the minimum vertical clearance from the top of the cable tray to the ceiling?
• Ground rods shall be installed closer or farther than 6 feet apart?
• Interior bonding/grounding conductors must be kept a minimum distance from other cables and connectors, except at which location?
• What are the requirements for Tower Ground Bus Bars?
• Outer shields of Telco Cables serving the Operator Position shall be bonded using which gauge/length options?
• Which bonding method should be used for tower structure ground conductors unless directed otherwise by the manufacturer?
• Which bonding feature is installed in all equipment shelters/rooms for perimeter bonding?
• What is the Vault site category used for?
• For #1 AWG bonding conductor, what is the length range?
• Cables should be supported when spanning beyond what distance?
• For monopole towers, how many grounding conductors of #2 AWG copper are required?
• Generators are required to be equipped with which alarms?
• Which statement best describes the bending and routing requirements for grounding conductor runs?
• In high lightning areas, what conductor size is recommended for the PBB?
• Tower Ground Bus Bars must be installed in relation to communication cable ground kits how?
• For #2 AWG bonding conductor, what is the length range?
• What is the required ground resistance for a Type A Light Duty Site?
• Interior bonding/grounding conductors are made of which material by default, unless another material is specified?
• The first disconnecting means is the location where the Neutral-to-Ground bond is permissible.
• Which site category houses communications equipment and related systems only and can be fully or partially buried?
• Which site category contains communications equipment and related support systems and is suitable for temporary human occupancy during equipment install and maintenance?
• Detachable Cabinet Doors or other detachable metallic objects use which gauge for bonding?
• Which materials are acceptable for ground plates?
• What is the required depth for the radial grounding conductor?
• What is the minimum conductor size for the PBB?
• Which of the following accurately describes conductors in drop ceilings?
• Separately Derived Systems shall be bonded on the secondary side of the unit.
• Supplementary Bonding Network/Grid uses what gauge? Can flat be used?
• Secondary SPD bonding for telco, data, and control circuits shall be bonded using which gauge/length options?
• Stainless Steel Hardware Series used unless specified.
• Concrete Encased Electrode requirements specify how much concrete encasement?
• Single Point Grounding is the concept of bonding all equipment to a common point, commonly PBB.
• MRPLPR stands for Main Roof Perimeter Lighting Protection Ring.
• Underground water pipe can serve as grounding electrode if in direct contact with earth for how many feet?
• UPS stands for Uninterruptible Power Supply.
• What is the target ground resistance for a Type B Standard Duty Site?
• What is the proper separation between service conductors and Tx lines?
• What is the required working space height?
• What minimum gauge is recommended for bonding jumpers for detachable metallic parts of equipment cabinets?
• Which material SHALL NOT be used as a bonding backbone conductor?
• Site Category: Building is defined as a permanent structure on foundation, suitable for human occupancy and contains equipment.
• Type 3 SPDs, PDUs, and UPS Chassis do require bonding to the Operator Position SBB.
• Connection between Building Ground Ring and Tower Ground Ring
• What is the required depth for the grounding wire mesh?
• What size is specified for multiple objects of above-ground external grounding conductors?
• What is the purpose of the Bonding Backbone Conductor?
• Distance Ratio Squared describes the energy coupling into a building as distance changes.
• Which statement most accurately describes a ground ring conductor?
• What is the cabinet ground ring distance from the foundation?
• Which statement best describes a Type B Standard Duty Site?
• Generator grounding: Additional ground rod is needed if the generator is more than how many feet from the building?
• At what angle should bonding conductors cross other cables?
• Which statement correctly describes detachable metallic objects bonding?
• Ice Bridge Grounding: Which combination of gauges is specified for grounding and bonding the ice bridge respectively?
• For #6 AWG bonding conductor, what is the length range?