Safety & Job Site Rules
What must all rolling scaffolds have to be considered safe, along with guard rails?
Toe boards
What happens to the metallurgy of metal tools when heat is applied to them?
The metal becomes softer
What term refers to an assembly that has more than one conductor or multiple conductors?
Cable (or bundle)
When mixing concrete, which component makes up the largest percentage of the mix?
Aggregates
When setting up for a cable pull in a cable tray between floors, you should feed from where and pull from where?
Feed from the higher floor and pull from the lower floor
True or False: All scissor lifts are considered scaffolding, whether vertical or aerial.
True
Which type of hollow wall anchors have the lowest duty rating?
Plastic hollow wall anchors
The most widely-used conductors for electrical systems are rated at what voltage?
600 V
Type V is the typical construction classification for what type of buildings?
Most single-family homes and garages
When planning a wire pull, what direction should you choose to minimize effort?
Pull in a direction that requires the lowest amount of pulling force
Which ladder material should not be used when working on or near electrical power sources?
Aluminum
What striking tool features a pointed or shaped metal tip used for marking layout lines or driving out pins?
Punch (or pin punch)
What serves as a point of contact or interface between building wire and a switch or receptacle?
Terminals
Which material has the highest strength-to-weight ratio of any construction material?
Cold-formed steel
The "mare's tail" method of making a wire pulling head mimics what standard tool?
A pulling grip
What type of space is not designed for continuous employee occupancy (lacking ventilation, lighting, etc.)?
A confined space
What type of connector is specifically designed to connect flexible metal conduit (FMC) and armored/metal-clad cable (AC/MC)?
AC/MC and FMC connector
What are the five primary methods of terminating a wiring device?
Back wire, side wire, speed wire, pre-terminated leads (leaded), and modular
According to the NFPA, survivors caught in a fire typically cannot see more than how many feet in front of them?
12 feet
In a vertical conduit installation, where should the worker set up to pull conductors to reduce tension?
At the top level of the vertical pull
What current range causes extreme pain, respiratory arrest, and severe muscular contractions where death is possible?
100 mA
Receptacles used for reducing electrical noise via an isolated grounding conductor are identified by what feature?
An orange triangle located on the face of the receptacle
What information is typically contained in a firestop certification document?
Description of the penetrating item, a detail drawing, and specific products to be used (All of the above)