3-3-6
If properly maintained, rope blocks can be used without an insulator link stick on voltages up to ? . a.15 kV b.18 kV c.24 kV d.36 kV
A. 15 kV
When changing out the three sets of insulators on a 3-phase running corner, the first conductor disengaged from the insulators and moved into the clear is the ? . a.bottom phase b.center phase c.neutral d.top phase
A. Bottom phase
A hoist link stick has a rated working load of ? . a.2,000 lbs b.4,000 lbs c.6,000 lbs d.8,000 lbs
B. 4,000 lbs
On a 69-kilovolt running corner, a ? stick is used to support the conductors as the Qualified Electrical Worker works on other phases. a.lift b.link c.spiral d.tong
B. Link
A transmission 2-pole strain carrier has a maximum load rating of ? per insulator string. a.6,500 lbs b.12,500 lbs c.15,000 lbs d.18,000 lbs
C. 15,000 lbs
There is/are ? method(s) that have taken the place of the rural strain carrier for taking the strain off deadend insulators. a.1 b.2 c.3 d.4
C. 3
One advantage of using rope blocks to relieve the strain on insulators over 2-pole strain carriers is that rope blocks have greater ? . a.environmental protection b.insulation value c.range of movement d.strength
C. Range of movement
The distribution strain carrier has dies that allow the carrier to be used on wire sizes from #2 to ? ACSR. a.2/0 b.4/0 c.336 d.397.5
D. 397.5
A distribution strain carrier has a maximum load rating of ? per insulator string. a.1,500 lbs b.3,000 lbs c.5,500 lbs d.6,500 lbs
D. 6,500 lbs
A distribution strain carrier has the same maximum load rating as a 2-pole strain carrier used on a 115-kilovolt line. Select one: True False
False
A strain stick is always needed to suspend the upper conductor of a 69-kilovolt running corner when moving all phases out for insulator maintenance. Select one: True False
False
All three sets of insulators on a 3-phase running corner cannot be changed out with only two sets of rope blocks. Select one: True False
False
Insulated link sticks must be used between the rope blocks and the wire grip on all voltages. Select one: True False
False
Rope blocks cannot be used for taking the strain off insulators. Select one: True False
False
A hoist link stick used between the hoist and the conductor grip should have a minimum rated working load of ? . a.4,000 lbs b.4,500 lbs c.5,000 lbs d.5,500 lbs
a.4,000 lbs
The insulators are held in an approximate horizontal position when attaching a 69-kilovolt string on a running corner with a(n) ? attached to a universal stick. a.adjustable insulator fork b.bell anchor c.shotgun tip d.spring-loaded pin puller
a.adjustable insulator fork
The ? is no longer manufactured but may still be found in some hot stick trailers. a.corner restraint bracket b.distribution strain carrier c.rope block d.rural strain carrier
d.rural strain carrier
On a running corner, ? web hoist(s) is/are needed when using a corner restraint bracket tool to give an even pull on the conductor in both directions. a.1 b.2 c.3 d.4
A.1
The tool the Qualified Electrical Worker shown is holding is a ? . a.cotter key puller b.cotter pin spreader c.finger stick d.voltage probe
A. Cotter key puller
When using a corner restraint bracket, insulated ? sticks are to be installed between the hoist and the phase. a.link b.roller c.spiral d.tong
A. Link