The proper way to hang a small distribution transformer, when power equipment is not available is ___?

Use rope blocks, pole job, and block

List four factors that affect the mass that may be attached to a pole and may also affect pole stability.

Soil type, type of backfilling, length of pole, class of pole

While doing a pre-installation check on a transformer, which check should not be done unless permission is granted from the company?

Removing the lid, inspect for loose bushings, inspect oil level, inspect for contaminated oil.

Two requirements of the 1996 Migratory Bird Treaty Act reading new transformer installations to protect birds from electrocution are ___?

Insulated primary lead wires and plastic bushing covers

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Lesson 2-2-10

Question	Answer
The proper way to hang a small distribution transformer, when power equipment is not available is ___?	Use rope blocks, pole job, and block
OSHA has nothing to say about how you hook up and lift a load. True or false	False
According to industry standards, all distribution transformers above 200kva and /or 15,000 volts are ___?	Subtractive
A single phase transformer will not produce secondary voltage if the X2 is grounding strap is removed. True or false	False
A CSP transformer contains a(n) ___ and a(n) ___ breaker.	Internal HV fuse/ secondary
If the transformer nameplates shows 14,400 / 24,940 Y, it is suitable for delta connection. True or false	True
A transformer with reduced insulation at H2 must have H2 tied to the ___.	System neutral
If the secondary voltage is listed as 120/240 or 240/120, it makes no difference in the voltage that can be drawn out of the secondary. True or false	False
The H2 terminal on a single bushing transformer is ___ to the ___ of the tank.	Solidly connected, inside
It is a good practice to leave an extra length of copper or to curl primary risers from the transformer to the live line in case the lead breaks. True or false	False
Secondary drop leads are not needed for a single triplex service as the conductors can be put directly into the transformer terminals. True or false	False
What type of connector is commonly called a â popsicle stickâ	Pin terminal connector
On a fully loaded 25kva transformer, the drop leads would normally be # 2 stranded copper. True or false	True
List four factors that affect the mass that may be attached to a pole and may also affect pole stability.	Soil type, type of backfilling, length of pole, class of pole
Checking the winding continuity of a transformer is not important because transformers on the loading dock can be relied on. True or false	False
While doing a pre-installation check on a transformer, which check should not be done unless permission is granted from the company?	Removing the lid, inspect for loose bushings, inspect oil level, inspect for contaminated oil.
There is only one fusing schedule that should be used. True or false	False
On a transformer with Basket Terminals, it is best to insert copper leads from the bottom to allow water to drain off quickly and prevent oxides from forming. True or false	False
Two requirements of the 1996 Migratory Bird Treaty Act reading new transformer installations to protect birds from electrocution are ___?	Insulated primary lead wires and plastic bushing covers
Several pin terminal (popsicle stick) connectors can be crammed into a basket type terminal as long as the nut is tightened down. True or false	False

Created by: swcurtis

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