QUESTIONS AND ANSWERS RATED A+
✔✔Hierarchical Star topology - ✔✔Multiple backbones going to multiple switches for
multiple star apologies good for multiple rooms floors buildings
✔✔Different types of conduit - ✔✔EMT, IMC, FMC, ENT, RMC, FMT
✔✔EMT - ✔✔Electrical metallic tubing
✔✔IMC - ✔✔Intermediate metal conduit
✔✔FMC - ✔✔Flexible metal conduit (20 feet or less)
✔✔ENT - ✔✔Electrical nonmetallic tubing
✔✔RMC - ✔✔Rigid Metal Conduit
✔✔FMT - ✔✔Flexible Metallic Tubing
✔✔How do you measure the diameter of a conduit - ✔✔Inside of pipe to inside of pipe
✔✔And benders go up to what size - ✔✔One and a half inch
✔✔What is the highest conduit fill you can have a new construction - ✔✔40%
✔✔How many pounds can J hooks hold - ✔✔50
✔✔CPR - ✔✔cardiopulmonary resuscitation
✔✔Some types of first aid equipment - ✔✔Eye wash, first aid kit, SDS
,✔✔Emergency rescue procedures - ✔✔1. Survey the scene
2. Notify someone
3. Security area
4. Complete a primary survey (of the victim)
5. contact EMS
6. Complete a secondary survey (of the victim)
✔✔What is the number one reason for accident on job sites - ✔✔Ladders
✔✔How far back should your extension ladder be - ✔✔25% of the height
✔✔How far above your platform should be ladder extend - ✔✔3 feet
✔✔What must be worn in lifts - ✔✔Full body harness and lanyard
✔✔When was fall protection be worn - ✔✔When working above 6 feet
✔✔What are some examples of PPE - ✔✔Hardhat gloves glasses vest mask
✔✔When should an electric line be guarded - ✔✔When it is greater than 50 V
✔✔How far away should unfriend personnel be from live electrical equipment - ✔✔10
feet
✔✔What is a confined space - ✔✔Any enclosed space big enough that a person can
enter and conduct assigned work; limited access, not designated for continuous
occupancy and has one of the following traits: hazardous atmosphere, engulfment
hazard, entrapment, asphyxiation or other safety or health concerns
✔✔ER, TR, EF, TE all require how much works base - ✔✔1 m, 3.3 feet
✔✔plywood backboards must be - ✔✔Screwed into studs or with quarter inch toggle
bolts, must be at least 8 inches above finish floor, have two coats of fire repellent
✔✔What is a 48 port patch panel called - ✔✔2U
✔✔What is the difference between bonding and grounding - ✔✔Awning is joining two
pieces together, grounding is connecting to earth
✔✔How should cable tray be installed under a raised floor - ✔✔Parallel with tiles
✔✔Ladder racks - ✔✔Usually suspended from the roofer wall used as a cable tray that
looks like a ladder
, ✔✔D rings - ✔✔D shaped rings that support small bundles of cable
✔✔TE (telecommunication and closure) requirements - ✔✔Controlled access, must be
bonded, removable door, dedicated branch circuit and means to disconnect power, fire
protected, ability to dissipate heat, mounting holes appropriate, appropriate lighting
(minimum of 538 lux), should not be located in furniture system unless permanently
secured, no pathways passing through, should serve an area not greater than 335
m²(3606 ft.²)
✔✔New construction work area outlets should be installed - ✔✔In the wall, attached to
a stud, not in the same place as an electrical outlet
✔✔How can you add a Work area outlet after drywall is installed - ✔✔Cut in box (4
inches from a stud)
✔✔Cable support structure items - ✔✔Anchors and fasteners, ladder racks and cable
trays, conduit, pull strings, doctors, cable raceways, open top cable support, bonding
and grounding infrastructure
✔✔Conduit bend radius - ✔✔2 inch and smaller must keep 6X conduit size bend radius
(unless fiber is inside than 10X)
✔✔Max bend degrees in conduit when used for Communications - ✔✔No more than 2
90s in one segment unless run is less than 33 feet
✔✔Order for installing cabling support system - ✔✔Obtain the contract for the building
structure, verify load capacity of cabling support system, verify adequacy of existing
table support system, verify the cable separation, verify availability of materials and
tools, mount the rings, mount individual cable supporting hardware above ceiling, install
ladder racks or cable tray, install conduit, perform grounding and bonding, complete
pathway documentation and labeling, complete general housekeeping
✔✔AHJ - ✔✔Authorities Having Jurisdiction (code inspector, Army core of Engineers)
✔✔codes - ✔✔Practical safe guarding of persons and property from hazards
✔✔Regulations - ✔✔Authoritative rules that control behavior
✔✔Standard - ✔✔Define process procedures practice ensures minimal level of
acceptance
✔✔Industry best practices - ✔✔Widely accepted benchmarks superior results
✔✔Manufacturers instructions - ✔✔Best for individual products and warranties