This circuit has only one path for current to flow

__________ remains the same in a series circuit.

solve for the voltage drop across R2

If another bulb is added in a parallel circuit, each bulb would

In which direction do electrons move around a circuit with a cell?

Materials that allow electrical energy to flow through are called...?

Allows the flow of electricity to be stopped or started by breaking or completing the circuit.

What word or phrase best describes the NEC requirements for the installation of electrical systems?

An electrician should use a ________ ladder when working around electrical wiring.

_________ is a combination of rules and devices that prevent the energizing

of a circuit that could injure a worker.

The safe way to get to the top of scaffolding is to...

The two types of burns an electrician can normally be exposed to are _______.

You are an electrician working in a new building and you come across an installation that is not safe and is not acceptable under local electrical code. What should you do?

The minimum service entrance rating for a single-family home permitted by the NEC® is __________ amperes.

When cables or conductors are physically tied, wrapped, or taped together, they are considered to be__________.

According to the NEC®, the unit load used to calculate the minimum number of general lighting circuits in a dwelling is __________ volt-amperes per square foot.

Common symbols used on blueprints are usually based on the symbols developed by the _____.

Check My Work

The _________ is a drawing that shows building detail from a view directly above the house.

The comfort grip handles on screwdrivers are designed for comfort and to provide a secure grip, and not to act as an insulator from electrical shock.

a. True b. False

You should never use a power tool before you have received the proper training on how to use it and have read its owner's manual.

a. True b. False

OSHA 1910.335 requires __________ tools to be used whenever an electrician is working on exposed energized circuits or equipment.

Always follow OSHA 1910 S and NFPA 70E safety requirements when working on energized parts. This includes wearing the proper __________.

Another name for a Skilsaw^® is a __________ saw

______ are used to cut cables, cut conductors, form large conductors, and pull and hold conductors.

A ____________ is usually 9 inches long and is used to level or plumb conduit, equipment, and appliances.

When a warning ribbon is required to mark the location of buried underground service conductors, it must be placed at least __________ above the buried conductors.

Ground rods must be at least __________ feet long.

According to NEC Table 250.66, the minimum size copper grounding electrode conductor for a service entrance installed with 4/0 copper conductors is __________.

Overhead service conductors are not permitted to be attached to trees for support

A(n) __________ is a plastic or fiber fitting designed to screw onto the ends of a conduit or cable connector to provide protection to the conductors.

Where underground service cables exit the trench and run up a utility pole to the transformer, the conductors must be protected from physical damage to a height of __________ feet above final grade.

The grounding electrode conductor must be attached to a metal water pipe grounding electrode no more than __________ feet from the point where the metal water pipe enters the house.

Check My Work

The working space in front of residential service equipment as stated in NEC Section 110.26 is __________ feet.

An instrument used to measure values of resistance is called a(n) __________.

A(n) __________ is designed to measure the amount of current flowing in a circuit

Safety glasses are always required when using test and measurement instruments.

What is electricity?

Which of the following is an insulator?

If the light bulb turns ON in a circuit, that means the circuit is

What is the formula for ohms law?

An alarm clock draws 0.5 A of current when connected to a 120 volt circuit. Calculate its resistance.

What is the take up for a 90 degree bend on 1/2" emt

What is the measurement for a 30 degree offset that needs span 14 1/4"?

In an electrical generator, the energy transformation begins as ___________ and becomes ____________.

How can you use a magnet and wire coil to produce electricty?

In North America, power is generated at a frequency of   ?  .

A stronger magnetic field, more turns, and faster rotation produce a higher voltage from a generator.

In A.C generator,by increasing the no. of turns in the coil,

A generator transforms __________ energy into _______ energy.

Which of the following is NOT an example of a generator?