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WorksheetsElectrical Test Equipment
Total questions: 23
Worksheet time: 16mins
Lineworkers most commonly us _______ to read AC voltages
Ammeter
multimeter
rotation meter
service conductor tester
Clamp-on ammeter is used to measure current in the hot-legs and neutral of secondary circuits and services
True
False
The same phase sequence indicator should be used for initial determination and final confirmation
true
false
Phase sequence indicator are used on all these except.
Replacing transformer banks
Replacing secondary or services
Rebuilding corner poles
replacing tangent structures
The phasing meter is used to prove phase sequence and read (a) .
Phasing is necessary when work is performed on a (a) of the mainline feeder circuits
To prove phasing you should first
(a)
The _______ detector is a simple instrument used to detect the presence of ______ on a conductor or cable
(a)
Testing a line for the presence of voltage prior to installing grounds is an OSHA requirement.
True
False
A Halo ammeter is a _______ test instrument
Secondary
Primary
Most cable locators can be used by connecting directly to the conductor this is referred to as
(a)
Inductive tracing mode can be used where the transmitter is used in proximity to the cable route.
True
False
A DC Hi-Pot tester is used in conjunction with a
Transmitter
Phasing meter
Ammeter
Megger
On faulted cable the meter will
rise and hold
rise and fall
not move
A surge generator is known as a
(a)
The arc reflection system is composed of how many components
1
2
3
4
The exact location of the fault can be determined by using a
DC Hi-Pot tester
Arc Reflection System
Transmitter
Locator
The surge generator applies a AC charge to the faulted cable.
True
False
A lineworker near the fault would use a ________ ________ to determine the exact location of the fault.
(a)
Insulation power factor tester is also referred to as
Double testing
Oble Testing
Doble Testing
Apparatus Testing
Micro-ohmmeters are used to measure the resistance of low- resistance circuits
True
False
Without interrupting service, ________ testers can quickly check the condition of each _______ in a string.
(a)
The insulation tester is sometimes referred to as a
Megger
TDR
Micro-ohm
Halo
