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Can you wear jewelry at the job site? - Answer✅✅no
what kind of receptacles that work on 1/40 of a second? - Answer✅✅ground fault
circuit interruptor
When should you inspect ladders? - Answer✅✅before every use
Vertical mass lifts - Answer✅✅a type of aerial work platform intended to provide
access to high reaching tasks while allowing for tight fitting access and a small space
footprint.
boom lifts - Answer✅✅a type of aerial lift designed to lift workers on construction
sites, on farms, along utility lines, and elsewhere.
arial work platforms - Answer✅✅Also known as an aerial device, elevating work
platform, cherry picker, bucket truck or mobile elevating work platform is a
mechanical device used to provide temporary access for people or equipment to
inaccessible areas, usually at height.
rolling scaffolding - Answer✅✅Need toe boards and is a type of supported scaffold
set on wheels.
, Most widely used systems use what voltage? - Answer✅✅600 v
what are the sizes of AC and MC cables? - Answer✅✅14 and 18
What is the real name of Romex? - Answer✅✅NM-B cable
What does the T stand for in THHN? - Answer✅✅thermoplastic
As the wire gets larger, it gets __? - Answer✅✅less resistance
When planning a wire pull, you need to know what? - Answer✅✅Many details
must be considered to install the wire successfully without causing damage to the
conductors. These details include proper conduit installation design to ensure that
the conductors do not exceed the maximum allowable sidewall pressure, minimum
bending radius, maximum allowable pulling tension, clearance, and jamming
probability.
What tool is used to install wire and cable tray? - Answer✅✅Rollers, sheaves ,
pulleys and people power
What is the most basic way to get wire in a cable tray? - Answer✅✅Place the rope
into the tray manually with one person or using multiple people to install the rope.
What does containment mean for fire walls? - Answer✅✅Helps prevent smoke and
flames from entering an area by establishing compartments that increase the ability
for occupants to safely exit the building.
Why do we tool fire caulk? - Answer✅✅to get air pockets out
Convert mils to inches - Answer✅✅1 in / 1,000 mils
The resistance of copper will __ when the temperature increases. -
Answer✅✅increase
What is oxidation? - Answer✅✅the loss of electrons
Cable calculations should be calculated when? - Answer✅✅Cable pull calculations
should be performed before raceway installation, during the design and layout stage.
Cable pull calculations should be performed on all feeders regardless of conduit size,
length of pull, or conduit fill to prevent wire damage and ensure a reliable
installation.
What does the N stand for in THHN? - Answer✅✅nylon
When is the best time to clean the job site? - Answer✅✅while working