Transformers
Electrical Principles
Job Safety Briefings
Materials
Connectors
100

What is the primary purpose of a transformer?

Step voltages up or down. 

100

What is the central core of an atom composed of?

Protons and neutrons 

100

What is the primary purpose of job safety briefings?

To identify potential hazards and develop a safe work plan

100

What is the primary purpose of a Machine Bolt in electrical installations?

Hanging/ Securing material to the pole

100

What is the primary purpose of compression connectors in power grid systems?

To permanently join or terminate conductors using a crimping tool

200

What current does a transformer operate off of?

Alternating Current 

200

What is the minimum current that can potentially stop a person's heart?

1/10th of 1 AMP

200

When should job safety briefings be conducted?

Before any job task

200

Which material is considered the traditional choice for crossarms?

Wood

200

Which type of connector is specifically designed for use with conductors under tension?

Automatic connectors

300
What is the main function of transformer insulation?

Prevent short circuits 

300

What happens when electrons flow through a conductor?

A magnetic field forms 
300

When should workers conduct a re-briefing?

When the scope of work changes or when someone new arrives 

300

Which type of bolt is used for hanging double arms?

Double arming bolt (DA)

300

What protection method is required for underground connections?

Heat shrink

400

What is the typical efficiency range of modern transformers?

96%-99%

400

In electrical terms, what is voltage?

The flow of electrons 

400

According to the material, what percentage of workplace accidents result from human error?

90%

400

What is the purpose of a spring washer?

To keep material tight even after the wood shrinks 

400

What color coding is associated with #2 size connectors?

Red

500

What provides a path for magnetic flux in a transformer?

The core 

500

Which principle explains that a magnetic field forms around a conductor when current flows through it?

Right-Hand Rule 

500

Who is responsible for conducting the job safety briefing?

The person in charge at the job site

500

What is the purpose of a Stirrup?

To make connections to primary wire without damaging it

500

What color identifies a 4/0 connector?

Pink

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