WorksheetsErid 1 Wk3 Transmission components
Total questions: 15
Worksheet time: 10mins
These can be made of glass,polymer or porcelain
Arms
Insulators
Shoes
Conductors
_________ must ________ the line and have the strength to support the conductors
(a)
What type of Insulators are these?
Line Post
Suspension
How many types of insulators are common to transmission
3
5
7
4
Porcelain insulators are what the industry is trending toward.
True
False
Conductors for the line are typically made of stranded copper
True
False
This term means more than one conductor per phase
(a)
Conductors can be up to ___ inches in diameter
2 -1/2"
1- 1/2"
1-3/4"
2"
Conductors can weigh as much as 2- 1/2 pounds per square foot
True
False
What kind of conductor is shown
(a)
What is the component on the conductors in the middle of the span
(a)
Main Grid Voltages range from
44kv-138kv
230kv-765kv
2,000- 25,000volts
12,000- 69,000 volts
Suspension insulators must be able to support the weight of the conductor
True
False
The smaller wires at the top of the structure are known as
(a)
Right of ways can take years to obtain
True
False
