Electrical Safety and Basics of Cells and Batteries

These flashcards cover essential concepts related to electrical safety and the basics of cells and batteries.

To assess the potential danger of electrical devices, refer to the and rating of the devices.

voltage; current (amperage)

Higher __ is more dangerous than lower voltage.

voltage

Amps are the most important factor when assessing potential __.

danger

A minor shock can occur at __ A.

0.001

A painful shock with loss of muscle control can occur at __ A.

0.015 - 0.020

A current of __ A could be fatal.

0.1

There is no danger if electricity is not provided with a __ to travel.

path

Never handle electrical devices when you are __ or near water unless they are designed for that use.

wet

Always __ electrical devices before looking inside or servicing them.

unplug

Don't overload __ by plugging in too many devices.

circuits

When unplugging a device, pull on the __, not the electrical cord.

plug

Never remove the third prong from a __ plug.

three prong

The third prong ground wire gives electricity a safe place to go in case of a __.

short circuit

Lightning rods are connected to the ground with a wire to conduct discharge __ to the ground.

harmlessly

Fuses and breakers break the circuit when too much __ is flowing through.

current

A battery is a collection of __ or more cells.

two

A cell is an electrochemical device capable of generating __ energy from chemical reactions.

electrical

An ion is any atom or group of atoms that become __ charged through the gain or loss of electrons.

electrically

An electrolyte is a substance that allows electrical current to __.

flow

One electrode in a circuit is referred to as the anode, and the other one is referred to as the __.

cathode

The chemical reactions in a rechargeable battery cell can be __ by using an electrical source.

reversed

Electrolysis is the process of using batteries to split molecules into their __.

elements

The process of putting a layer of a more expensive material on an inexpensive metal is called __.

electroplating