302 Science (3) Flashcards
1
Q
What should an isolator do?
A
Cut off the installation from every source of electrical energy
1
Q
What are isolators also called?
A
Off load devices
2
Q
Where should isolators be located?
A
Where ordinary people have no access
3
Q
What is an emergency switch intended to do?
A
Remove possible danger as quickly as possible
4
Q
What is a semi conductor?
A
Something that requires an additional condition to conduct
5
Q
What is overload?
A
A long term condition such as asking too much of an otherwise healthy circuit