Cable insulation
Conductors
US
History
History
Science
Potpourri
100
This conductor insulation is the most common type used in standard commercial and industrial applications.
THHN
100
This is the color code of 120/208v 3phase installations.
Must be stated in correct order L1, L2, L3, N
Blk, Red, Blue, White
100
The US Constitution was written in this city of brotherly love.
Philadelphia, PA
100
This is the only rock that will float.
Pumice
100
Jesus is said to have walked on this body of water.
Sea of Galilee
200
This cable type is similar to Romex, but is rated for direct burial.
Type UF (underground feeder)
200
This is the ampacity of #10ga NM cable.
30amp
200
This person was the first to fly an aircraft solo across the Atlantic Ocean.
Charles Lindberg
200
This is what chalk is made of. Hint - there is a very prominent display of this material in Dover England.
Limestone
200
The ancient method of Crucifixion originated in which country known as Iran today?
Persia
300
The type of insulation used in most control cabling applications
PVC
300
This is the color code for 120/240v 3Phase installations. Must be stated in the correct order. L1, L2, L3, N
Blk, Orange, Blue, White
300
US and USSR relations were almost pushed to a breaking point over a US naval blockade of what country?
Cuba
300
This is the second largest organ in the human body
The liver
300
This country is home to the world's largest pyramid.
Mexico
400
This insulation type is required for service lateral installations
USE
400
The NEC article that covers MC cable.
NEC 330
400
This Revolutionary provided the signal "1 if by land, 2 if by sea to militia" on the night of April 18 1775 to warn of the impending British attack.
Paul Revere
400
This planet is currently closest to Earth
Mercury - until September 2024
400
This is the most common surname in Mexico
Hernandez
500
This insulation type is often used in high voltage applications and prevents voltage "Treeing".
XLPE
500
Pulling fingers
500
This was the first European to discover the Mississippi River.
Hernando De Soto
500
This is oath of ethics taken by doctors is named after an Ancient Greek physician?
The Hippocratic Oath
500
The skunk ape is Florida's version of this legendary humanoid
Bigfoot