ESPA study guide 2022 with complete solution

ESPA study guide 2022 with complete solution When pulling several cables through a wire pathway, wrapping the cables tightly together with zip-ties may do which of the following? Crush cables and damage interior wire An RJ-45 modular jack has how many conductors 8 Which of the following is used to terminate UTP cable on to 110-style blocks? punch down tool In which of the following situations should a laminated beam be drilled through? A laminated beam should never be drilled through. Which of the following sets standards for electrical installations in order to ensure proper safety? National Fire Protection Agency (NFPA What document includes a designation for a cable run and its source, destination, and purpose? Wire chart/ Cable schedule Which of the following should be used when pulling multiple cables through conduit Appropriate cable lubricant Which of the following would be used to test for a dial tone at the telco demarc? Telephone butt set Which of the following should be followed when data or signal cables MUST be located near AC power lines Signal data cables should cross AC power cables at 90 degrees What is the MINIMUM recommended working bend radius for Cat-5e cable? 4 times the diameter of the cable How high, in inches, is one EIA rack space unit or "1 RU"? 1.75 Which of the following needs to be completed in order to properly complete wiring installation in a rack? Sufficient strain relief of all cabling and service loops to make replacement, repair, or adjustment accessible Which of the following is CORRECT concerning a 12 AWG wire? Greater current carrying capacity than a 14 AWG wire What is the MAXIMUM pulling tension for maintaining verification of category 5 UTP wire? 25 lbs What is the hazard in using staples to install an RG-6 coaxial cable? Pinching of the dielectric will change the impedance of the cable and interfere with proper performance Which of the following should be done to the unused outlets in an RF signal distribution system? Terminate with a 75 ohm terminator Which of the following tools should be used to help run wire above a finished drop ceiling? Push rod Which of the following tools would be helpful in installing a fish line in a long (over 200 feet) conduit run? Shop vacum When installing an RJ-45 end on a Cat-5e wire, what is the MAXIMUM amount of wire that can be left untwisted? 0.5 inch To which of the following does the electrical term AC refer? Alternating current Which of the following is an independent, nonprofit safety testing organization that tests and certifies products from a variety of manufacturers? Underwriters Laboratories (UL) What is the purpose of a ground fault circuit interrupter (GFCI)? to protect life Which of the following formulas should be used when calculating the total wattage output in a circuit? Voltage x Amperage What is used to properly validate and document the quality of an incoming signal from a cable TV feed? Field Strength Meter Which of the following is the FINAL authority with regard to electrical safety issues on a job? Local electrical code Which of the following should be done during the trim-out phase of a project? Install wall plates Which of the following should be done when tinning a wire lead? Strip the end, heat it, and allow solder to flow onto the conductor On a set of 1/8" = 1' drawings, a wire run measures 15 5/8 inches. How many feet does that equal at full scale? 125 Which of the following are framing members that are positioned horizontally at the top and bottom of a stud wall plates When working with power tools such as a hammer drill, reciprocating saw, and/or skill saw, which of the following does OSHA require? Wear appropriate hearing protection Which of the following is the MOST important procedure when running wires during the rough-in phase of construction? labeling the wires Which video interconnect utilizes a single RCA connector with the entire signal carried on the center conductor and braided shield? Composite video When drilling through a load-bearing stud, what is the MAXIMUM hole size, based on percentage of width, allowed? 40% Which of the following tools is REQUIRED for installing an XLR connector on to shielded twisted pair cable? soldering iron What color wire is connected to the 'live' or brass colored pin when wiring an AC power cord for use in the United States? black Which distance is the threshold for MAXIMUM bandwidth for a Cat-5e cable from the data outlet to the patch panel 295 feet (300 meters) Which of the following is a large horizontal beam of wood or steel used to support concentrated loads at isolated points along its length? Girder What does it mean when an electrical service panel that has been locked out or tagged as "service to remain off" is encountered? It has been deactivated for a good reason and should not be touched Which of the following is an ACCEPTABLE way to secure low-voltage cabling in a communications distribution panel or equipment rack? Velcro tie wraps Which of the following is the CORRECT cable type for baseband video? Cozxial with a solid copper center conductor What kind of specification is the TIA/EIA 570-B document? Industry Standard When installing an impedance matching volume control, the signal should flow through the equipment in which of the following orders? Amp to volume control to speaker Which of the following is a quick way to check that a speaker is connected to a certain pair of wires? Pop it with a 9-volt battery To properly determine MAXIMUM hole size, what are the finished dimensions of a standard wood stud? 1.5" x 3.5" Which reference book contains the codes governing communications wiring such as telecommunication and TV systems? The Nation Electric Code Handbook What signal type should be considered when cabling between source equipment and an amplifier? line level Which of the following MOST accurately measures output levels of a multi-channel audio system? SPL meter On a construction site, what does the Occupational Safety and Health Administration (OSHA) require of all temporary 120V, 15A, and 20A receptacle outlets? Protection by a ground-fault circuit interrupter According to OSHA, above what scaffolding height MUST one be connected to a safety harness or have safety rails in place? 10' What is the MAXIMUM percentage of a non-load-bearing stud's width that may be notched for device installation? 40% Which of the following is the MOST commonly used connector to terminate shielded line-level audio cable in a fully balanced configuration? XLR-type When the proper crimping tool is unavailable, what would be the BEST solution? Soldering the wire to the crimping location what MINIMUM National Electrical Code rating MUST a wire run in a riser in a multi-family dwelling of more than two units meet? CL-2R or CL-3R When accessing an unfinished attic area, what is the BEST way to get to other areas in the attic? Walk on a joist According to the National Electrical Code, what type of cable is ACCEPTABLE to use in an air handling space above the ceiling in a commercial installation? plenum rated How many connections are there in all balanced-line audio connectors? Three connections; two that carry the signal and a third for ground Which of the following should the installer do when static electricity from room flooring treatments is experienced during system operation checkout? Touch any grounded frame or enclosure before touching equipment controls or connections Which of the following is REQUIRED when pulling communications wire in the same raceway as power conductors? There must be a physical separation barrier between communication and power What protective object should be installed if holes are drilled in framing members closer than 1 1/4" from the edge of the stud or joist? Nail plates Which of the following wall anchors would typically support the GREATEST load when mounting a component on a hollow interior wall? Toggle bolts Which of the following is included during the rough-in phase of a project? Site walk through to verify locations While working with jack-hammers, breaking bars, and other striking hand tools where underground electrical power lines may be present, which of the following does OSHA standards require that the workers be provided? Insulated protective gloves According to the Occupational Safety and Health Administration (OSHA), the base of an extension ladder should be one foot from a wall for how many vertical feet of height? Four feet When an electrical issue arises at a job site, which of the following will be the FINAL authority to resolve the issue? Authority Having Jurisdiction (AHJ) What is the preferred tool for stripping wire? A tool with gauge-adjustable, V-shaped mating blade Where is the Network Interface Device (NID) for the telephone company typically located for residential and light commercial locations? On an outside wall of the structure Which of the following is considered a low voltage cable? CL2X In wood frame residential construction, how can a load-bearing wall usually be identified? There is a double top plate Before setting a sound system output level, the ambient sound field should be measured using which test equipment? SPL meter Which of the following should be used to create 3/4" holes in wall studs for cables? Power drill with auger bit Which of the following is the ONLY acceptable method of attaching Cat-5e to a concrete wall? J-hooks What is the nominal impedance for baseband video transmission 75 Ohms Control or data cables could experience EMI if run parallel to which of the following cables? AC power What would affect the change in voltage from the beginning to the end of a wire? resistance Which of the following equipment is REQUIRED when using a powder actuated tool? Safety goggles and hearing protection Which of the following is the MOST important safety practice when lifting? Bend the knees Which of the following should be TRUE of a structured wire panel once it is installed? Should be aqt a height that is easy to service Which of the following should be done when connecting a bare, stranded wire to a screw terminal? Wrap the wire so that tightening the screw will draw the wire around the screw According to EIA/TIA 570-B, what is the MINIMUM bend radius observed when installing RG59 and RG6 coaxial cable in new construction? 10 times the diameter of the cable Which of the following allows a security system to "seize" the telephone line, even if it is in use or a phone is off the hook? RJ-31X jack Which of the following is a wiring topology consisting of "home runs" to a single hub? star When drilling holes to pull cables through wood framing, the holes MUST be which of the following? At least 1 1/4 inches away from any stud face What is the voltage of a circuit whose resistance is 8.0 ohms when the current is 1.5 amps? 12.0 volts Which of the following describes the reduction of the signal level as it passes down the cable? Attenuation Which of the following should be done FIRST when installing a low voltage device into a wall box? Clean the box of any dust or debris Which of the following defies the abbreviation "B.F.C." on architectural plans? Below finished ceiling What should be verified prior to drilling or sawing into an enclosed wall cavity? That no pipes or cables will be damaged Which of the following describes a Cat-5 cable? 4-24 AWG solid twisted pairs Wire gauge is used to verify the measure of which of the following? Diameter of a wire Along with a proper dust mask, what MUST be worn when working with fiberglass insulation? Long sleeve shirt