Safety

Voltage is electrical ________ or pressure. → pressure

Current is electrical ________. → flow

Resistance ________ or restricts the flow of current. → opposes

Electricity requires a ________ circuit for current to flow. → complete

Grounding is primarily for ________. → safety

GFCI stands for ________. → Ground-Fault Circuit Interrupter

A GFCI is designed primarily to protect people from ground-fault ________. → shock/electrocution

GFCIs are commonly required in ________ or wet locations. → damp

Examples of damp locations include bathrooms, laundry rooms, and ________ porches. → covered

An outdoor location that is not covered is considered a ________ location. → wet

A GFCI can protect downstream ________ when they are connected to its protected/load side. → receptacles

A GFCI monitors for an imbalance between current going ________ and current coming back. → out

AFCI stands for ________. → Arc-Fault Circuit Interrupter

An electrical ________ can occur when current jumps across a gap. → arc

Loose electrical connections can contribute to dangerous ________. → arcing

Arcing can produce enough ________ to start a fire. → heat

GFCI protection is mainly associated with ________ protection. → shock

AFCI protection is mainly associated with ________ protection. → fire

Tamper-resistant receptacles are designed to help protect ________. → children

Tamper-resistant receptacles use internal ________ to prevent easy insertion of objects. → shutters

A tamper-resistant receptacle generally requires both openings to be engaged at the ________ time. → same

Receptacle spacing helps prevent people from needing excessively long ________ cords. → extension

A motor can have high ________ current when it starts. → inrush

A refrigerator or freezer motor can sometimes cause a protective device to ________. → trip

One complete repeating AC waveform is called a ________. → cycle

One hertz (1 Hz) means one ________ per second. → cycle

The standard AC frequency in the United States is ________ Hz. → 60

The standard AC frequency in the United Kingdom is ________ Hz. → 50

OSHA stands for ________. → Occupational Safety and Health Administration

OSHA was created in ________. → 1971

OSHA is especially common/important on ________ sites. → construction

PPE stands for ________. → Personal Protective Equipment

Employers must provide appropriate ________ for workplace hazards. → PPE

Employers must provide a workplace free from recognized hazards likely to cause injury or ________. → death

An SDS stands for ________. → Safety Data Sheet

Information about hazardous materials can be found on an ________. → SDS

A confined space is generally a space not designed for human ________. → occupancy

A normal door by itself does not necessarily make a space a ________ space. → confined

A confined space may have a restricted or ________ entrance. → abnormal

Before entering a potentially hazardous confined space, an ________ sample should be taken. → air

The atmosphere in a confined space should be ________ as required during the work. → tested

Constant ________ is important when someone is working in a confined space. → communication

If communication with a person in a confined space is suddenly lost, ________ should be called immediately. → 911

Having an emergency/rescue ________ is important before confined-space work. → plan

Trenches can suddenly ________, causing serious injury or death. → collapse

A trench collapse can cause burial and ________. → suffocation

Protective systems such as ________ can help protect workers in trenches. → shoring

Never work on an ________ circuit when power can be disconnected. → energized

Never touch something that may be energized before checking it with a proper ________. → meter

Electrical equipment should be treated as energized until it has been properly ________. → verified

Thinking before acting is one of the best ________ practices. → safety

Electrical workers should avoid ________ and remain professional. → horseplay

When possible, electrical work should be performed with ________ hand to reduce the chance of a current path across the chest. → one

An electrical shock can affect the ________. → heart

An ________ may be needed if an electrical shock causes cardiac arrest. → AED

First ________ is an important skill for electrical workers. → aid

Alcohol and ________ should be avoided when doing electrical work. → drugs

Electric current can cause injury; ________ provides the force that pushes current through a circuit. → voltage

Water can make an electrical situation more dangerous because it can affect the electrical ________ between people and ground. → path

Small increases in current can have very different effects on the human ________. → body

The three main electrical concerns in the notes are voltage, current, and ________. → resistance