3-3 quizzes
1/0 copper stranded wire would be tied in with ? with looped ends if the line is to be maintained with sticks.
#4 copper
A 11/4 inch diameter roller link stick has a safe working load rating of ? .
1000 lbs
As a minimum, rubber insulating blankets should be retested every ? .
12 months
A Class 2 plastic guard is approved for ? , phase-to-phase.
14.6
Wire tongs are made in a variety of sizes from eight feet to ? and in diameters of 1 1/2 inches to ? .
16' 3"
The OSHA standard that dictates the requirements pertaining to electrical protective equipment is ? .
1910.137
The forerunners of modern hot-line tools were used as early as ? .
1913
According to the reference material, there are ? practical methods of changing or attaching insulators on single-phase lines when using live-line methods.
2
When using the side method to replace a crossarm, it takes ? set(s) of rope blocks to do the job.
2
The minimum approach distance for 12,470 volts (phase-to-phase) is ? .
2'1"
A lever lift has a total lift capacity of ? .
20 3/4"
Wire holders on an auxiliary arm, as used on a 3-phase pole, are placed approximately ? apart.
24"
A strain link stick has a maximum working load range from ? to ? .
3500 lbs/ 6500 lbs
A tower saddle is fastened with ? hooks and tightened by wing nuts.
4
Maplac-coated wooden live-line tools should be placed in a drying cabinet for ? to one week per month, in average climates.
48 hours
When replacing ferrules on Epoxiglass poles, the adhesive must be allowed to cure for ? before the removal of the pole from the repair area.
48 hours
the voltage range for doing hot-line rubber glove work is
5.4 kv to 34.5 kv
Rubber insulating gloves are to be tested before first issue and every ? thereafter.
6 months
Changing out a crossarm without using an auxiliary arm requires ? holding sticks, ? saddles, and ? lever lifts.
6/4/2
Hooks used as part of rope blocks are designed to begin to open when approximately ? of the maximum block strength is reached.
70%
The difference in the maximum working load that a 2-inch by 12-foot wire tong will support varies by ? when it is supported by a lever lift as opposed to a saddle.
75lbs
The recommended rope for use in live line work has a Safe Working Load (SWL) of ? for ½ inch rope.
798 lbs
To avoid corona and ozone damage to rubber protective equipment, it should not be left on lines for more than ? .
8 hours
In order to dry out wooden live-line tools, they must be kept between ? and ? .
90"/100"
Epoxiglass tools can be washed with ? to remove foreign matter if cleaning with a detergent solution does not remove it.
acetone
The saddle shown is attached to a(n) ? .
angle tower leg
In addition to the tools needed to relieve the strain on a conductor, three tools needed to replace a damaged section of conductor include insulated wire cutters, a splicing tool, and ? sticks.
clamp
Clamp top insulators found on transmission lines are the cotter key locking type and the ? locking type.
clamp bolt
If a saddle is equipped with a wheel, it must be in the ? position before placing the chain in the hook.
cocked
The live-line tool being used is a(n) ? .
cotter key puller
The three types of wire tong saddles are pole, tower, and ? .
crossarm
A two-pole strain carrier is normally used to relieve the strain from a string of ? suspension insulators.
deadend
If possible, all work on energized conductors or equipment should be ? .
done from below
If hot conductors need to be raised above the work area, ? auxiliary arms are used.
dual
When using the auxiliary arm lift method, the arm should be positioned immediately below the conductor to check for the proper spacing of wire holders and ? prior to engaging the conductors.
extension of lifting tong
All cover-up equipment is rated the same.
false
Clamps used for holding wire tongs are mounted on the saddle and must be properly aligned when put into position.
false
Rubber protective devices can be used to insulate one conductor from another conductor as long as they are energized at the same voltage.
false
Small wire tongs are often used as link sticks.
false
The auxiliary arm method, when used on a 3-phase line, will not allow the workers to change out all three insulators.
false
The best way for climbers to identify the hazards they will be exposed to is to look while they are climbing the pole.
false
When installing a double hot tie on a single insulator, the ties should overlap each other on the conductor.
false
When working with live-line tools, the higher the voltage of the line, the larger the diameter of the wire tongs needed to insulate the worker.
false
The stick shown is a ? .
fixed blade tie stick
? lighting is a man-made source of light that can cause checking on rubber gloves if the gloves are stored under it.
flourescent
Hot-line tool heads are made of ? aluminum alloy to make them lighter.
heat-treated
Rubber protective goods should be raised and lowered with a hand line and ? .
in a canvas bag
The OSHA standard that requires an employer to electrically test all live-line tools is 1910.269( ? ).
j
Wire tong saddles, used on steel towers, are attached to the tower with ? bolts.
j
This item is normally used with a wire tong and is called a(n) ? .
lever lift
A live-line wire tong stick is sometimes referred to as a ? stick.
lift
Wire tongs are sometimes referred to as ? sticks.
lift
A ? pole is used to lift an auxiliary arm when lifting three phases at the same time and is attached butt end up.
lifting tong
If additional working height is needed above the pole on transmission structures that have the upper crossarm located near the top, a ? would be used.
lifting tong
When applying rubber protective equipment, the ? should be covered first.
nearest and lowest conductors
When lifting three phases with a boom mounted lift arm, ? .
only one conductor at a time is contacted
When using the lift method to change out an insulator on a single-phase line, the second saddle is installed ? to the first one.
parallel
The type of rope recommended for live-line blocks and live-line rope is ? .
polyester-polyester
This tool is a(n) ? .
porcelain clamp
When a job is finished, rubber protective equipment should be ? .
remove the reverse order from which it was installed
The link sticks commonly used to hold conductors aside when relocating poles in mid-span are ? link sticks.
roller
The stick shown is a(n) ? stick.
roller link
Rubber line hose is inspected for cuts, rope burns, and corona damage by ? .
rolling them inside out and also inspecting the outside
The hot tie shown is being applied with a ? stick.
rotary prong
Wire tong jaws are opened and closed by ? while the jaws are on the conductor.
rotating the pole
The reason for using protective equipment to cover a down guy is to prevent a(n) ? .
second point of contact
The formula W = (Span A + Span B x W x 2) ÷ 2 is used for calculating the weight of a ? .
short span
An auxiliary arm (3-phase lift), as mounted on a bucket, is not designed to withstand ? tension.
side load
This stick is a ? stick.
spiral link
This shows two ? sticks supporting the middle conductor on an H-Frame structure.
strain
Link sticks are made in three different types: strain, roller, and ? .
suspension
Wire tongs are generally used on pin-type or ? construction for maneuvering and holding conductors clear of the working area.
suspension type
Changing an angle crossarm from the pole with live-line tools requires that a(n) ? be installed first.
temporary arm
The sticks are an assortment of ? .
tie sticks
Changing a pole using live-line methods requires a single-phase line to be held out of the way with ? sticks while the old pole is being pulled.
tong
A 3-phase lift arm attached to a line truck boom is mounted at a slight angle.
true
Fiberglass poles were adapted for use as hot-line tools because the size and weight of wooden tools became greater as the voltages increased.
true
If the Maplac coating on wooden live-line tools is worn or damaged, moisture might form dangerous conductor paths.
true
Normal approach limits between workers and the conductor is all that is required when changing out an insulator on a single-phase line with a bucket truck-mounted jib.
true
Overstress or damage to live-line tools is evidenced by bent or cracked parts.
true
Protective equipment should be applied to extend beyond the reach of the worker's anticipated work position.
true
Rope blocks can be attached to a wire tong with a block clamp or a wire tong band.
true
Rubber protective equipment is put in place to protect the worker in case of accidental contact.
true
Some three-inch tongs are fitted with a disconnecting splice in the center.
true
Technically, a piece of plastic guard equipment works by keeping an air space between the worker and the live line.
true
The stick shown is a rotary prong blade.
true
The worker shown is engaging the chain into the hook of what appears to be a saddle.
true
To determine the mechanical advantage of a set of blocks, count the number of ropes just above the running blocks.
true
Under all circumstances, rubber gloves and sleeves shall always be used when applying rubber protective equipment.
true
When applied to a conductor, wire tongs are opened and closed by rotating the pole.
true
When replacing an insulator with live-line tools, the tie wire is first untied and cut away on the side where the tong will be installed.
true
When working with distribution and transmission voltages, it is critical to know what "sticks" will support the weights and voltages involved.
true
the two types of cover-up equipment are hard plastic and rubber
true
When calculating conductor weight, the weight acting on a straight line structure is the weight of the ? adjacent to the structure times a safety factor.
two half spans
Checking, as might be found on rubber gloves, can be caused by ? generated by sunshine.
ultraviolet light
These types of heads would be used on a ? stick.
universal
The three sticks being used here are two wire tongs and a ? .
universal stick with a cotter key puller
This piece of equipment is a ? .
wire tong saddle
When holding a conductor, a wire tong should always be held securely by ? .
wire tong saddles
The sticks are ? .
wire tongs