Ch.3 Test Instruments

A(n) ___ is a meter that measures the current in a circuit by measuring the strength of the magnetic field around a single conductor.

clamp-on ammeter

A ___ tester is a test instrument that tests for a complete path for current to flow.

continuity

A(n) ___ display helps eliminate human error when taking readings by displaying exact values measured.

digital

A(n) ___ is a special DC voltmeter that detects the presence or absence of a signal.

digital logic probe

A(n) ___ is a meter that can measure two or more electrical properties and displays the measured properties as numerical values.

digital multimeter

In most cases, diodes are tested with a(n) ___.

digital multimeter

All power tools should be grounded unless they are an approved ___ design.

double-insulated

Sharp-edged and pointed tools should be carried with the cutting edge or point ___ and away from the body.

down

A(n) ___ is a device used to measure ground connection resistance of electrical installations such as power plants, industrial plants, high-tension towers, and lightning arrestors.

ground resistance tester

Power tools should be inspected and serviced by a qualified repair person at regular intervals as specified by the ___ or by OSHA.

manufacturer

A(n) ___ is a device that detects insulation deterioration by measuring high resistance values under high test voltage conditions.

megohmmeter

A(n) ___ is a test instrument that is used to measure fiber optic attenuation.

optical time domain reflectometer

A(n) ___ is a test instrument that provides a visual display of voltages.

oscilloscope

A ___ tester is a device that is plugged into a standard receptacle to determine if the receptacle is properly wired and energized.

receptacle

The 5S organization system is a workplace organizational system that stands for sort, straighten, sweep or shine, standardize, and ___.

sustain

A ___ tester is a device that indicates approximate voltage level and type (AC or DC) by the movement and vibration of a pointer on a scale.

voltage

Always check for the presence of ___ before taking any measurements.

voltage

___ voltages are produced by the magnetic fields generated by current-carrying conductors, fluorescent lighting, and operating electrical equipment.

Ghost

A(n) ___ is a meter that can measure two or more electrical properties and displays the measured properties along calibrated scales using a pointer.

analog multimeter

A ___ is a two-piece test instrument that includes a transmitter that is plugged into a receptacle and a receiver that provides an audible indication when located near the circuit to which the transmitter is connected.

branch circuit identifier