Deck 1: Electrical Safety

Question 1

In a case of ventricular fibrillation, unless the heart is returned to normal quickly, the person will usually ____________________.

Answer 1

die

Question 2

What are the two most common methods of circuit protection in structures?

Answer 2

The two most common methods of circuit protection in structures are fuses and circuit breakers.

Question 3

When assisting a person who is in contact with an electrical source, it is generally safe to touch him or her.

Answer 3

False

Question 4

Discharge all capacitors with a(n) ____________________ ohm, four-watt resistor before touching the terminals.

Question 5

When electricity passes through the body, the results can range from death to a slight, uncomfortable stinging sensation, depending upon the amount of electricity that passes through the body, the path the electricity takes, and the amount of time that the electricity flows.

Question 6

A(n) ____________________ is a device that permits the connection of a three-prong plug to a two-prong receptacle.

Question 7

What is the purpose of the National Electric Code ^®?

Question 8

Explain why circuit lockout is used.

Question 9

What is the purpose of a ground wire?

Question 10

Electrical shock occurs when a person becomes part of an electrical circuit.

Question 11

When working with electricity, always wear shoes with a(n) ____________________ sole and heel.

Question 12

When electricity flows near or through the heart for only a short period of time, it can cause ____________________ of the heart, in which the heart only flutters instead of beats.

Question 13

A(n) ____________________ circuit is one that is being supplied with electrical energy.

Question 14

The electrical energy supplied to an electrical circuit is known as ____________________, and it is measured in volts.

Question 15

Do not use metal ladders when working near live electrical circuits.

Question 16

Wearing rings, watches, or other jewelry when working in close proximity to live electrical circuits is generally considered a safe practice.

Question 17

A current flow through the body of ____________________ ampere or less can be fatal.

Question 18

What is the purpose of a GFCI?

Question 19

When a person is assisting an electrical shock victim, what is the first concern?

Question 20

One of the most important tasks that a service technician must learn is how to safely work around equipment when the power is being supplied to the equipment.