Data records

Name: Motor Testing Reference data records
Creator: Motor Testing Reference
License: https://www.motortestingreference.com/license/

Each statement in Motor Testing Reference is recorded as a data record with its source, verification date, review status and history. The index lists 94 records by subject.

Test methods

Bolted connection resistance

Data records for Bolted connection resistance.
Record	Statement
tests.bolted-connection-resistance.equipment.motor.acceptance	Bolted Connection Resistance is specified for AC induction motors and generators in acceptance testing at clause 7.15.1.B.1 of ANSI/NETA ATS-2025. Value: AC induction motors and generators.
tests.bolted-connection-resistance.equipment.motor.maintenance	Bolted Connection Resistance is specified for AC induction motors and generators in maintenance testing at clause 7.15.1.B.1 of ANSI/NETA MTS-2023. Value: AC induction motors and generators.

Commutator Bar to Bar Resistance

Data records for Commutator Bar to Bar Resistance.
Record	Statement
tests.commutator-bar-to-bar-resistance.equipment.motor.acceptance	Commutator Bar to Bar Resistance is specified for DC motors and generators in acceptance testing at clause 7.15.3.B.6 of ANSI/NETA ATS-2025. Value: DC motors and generators.
tests.commutator-bar-to-bar-resistance.governed-by.ansi-neta-ats	Commutator Bar to Bar Resistance is addressed in ANSI/NETA ATS-2025.
tests.commutator-bar-to-bar-resistance.title	The test method is named Commutator Bar to Bar Resistance. Value: Commutator Bar to Bar Resistance.

Contact resistance

Data records for Contact resistance.
Record	Statement
tests.contact-resistance.equipment.motor.acceptance	Contact Resistance is specified for medium-voltage motor starters in acceptance testing at clause 7.16.1.2.B.6 of ANSI/NETA ATS-2025. Value: medium-voltage motor starters.
tests.contact-resistance.equipment.motor.maintenance	Contact Resistance is specified for medium-voltage motor starters in maintenance testing at clause 7.16.1.2.B.7 of ANSI/NETA MTS-2023. Value: medium-voltage motor starters.

Control and functional verification

Data records for Control and functional verification.
Record	Statement
tests.control-and-functional-verification.equipment.motor.acceptance	Control and Functional Verification is specified for AC induction motors and generators in acceptance testing at clause 7.15.1.B.12 of ANSI/NETA ATS-2025. Value: AC induction motors and generators.
tests.control-and-functional-verification.equipment.motor.maintenance	Control and Functional Verification is specified for synchronous motors and generators in maintenance testing at clause 7.15.2.B of ANSI/NETA MTS-2023. Value: synchronous motors and generators.

Dielectric withstand

Data records for Dielectric withstand.
Record	Statement
tests.dielectric-withstand.equipment.motor.acceptance	Dielectric Withstand is specified for AC induction motors and generators in acceptance testing at clause 7.15.1.B.3 of ANSI/NETA ATS-2025. Value: AC induction motors and generators.
tests.dielectric-withstand.equipment.motor.maintenance	Dielectric Withstand is specified for synchronous motors and generators in maintenance testing at clause 7.15.2.B of ANSI/NETA MTS-2023. Value: synchronous motors and generators.

Field Pole Voltage Drop

Data records for Field Pole Voltage Drop.
Record	Statement
tests.field-pole-voltage-drop.equipment.motor.acceptance	Field Pole Voltage Drop is specified for synchronous motors and generators in acceptance testing at clause 7.15.2.B.15 of ANSI/NETA ATS-2025. Value: synchronous motors and generators.
tests.field-pole-voltage-drop.equipment.motor.maintenance	Field Pole Voltage Drop is specified for synchronous motors and generators in maintenance testing at clause 7.15.2.B of ANSI/NETA MTS-2023. Value: synchronous motors and generators.
tests.field-pole-voltage-drop.governed-by.ansi-neta-ats	Field Pole Voltage Drop is addressed in ANSI/NETA ATS-2025.
tests.field-pole-voltage-drop.governed-by.ansi-neta-mts	Field Pole Voltage Drop is addressed in ANSI/NETA MTS-2023.
tests.field-pole-voltage-drop.title	The test method is named Field Pole Voltage Drop. Value: Field Pole Voltage Drop.

Fuse resistance

Data records for Fuse resistance.
Record	Statement
tests.fuse-resistance.equipment.motor.acceptance	Fuse Resistance is specified for medium-voltage motor starters in acceptance testing at clause 7.16.1.2.B.8 of ANSI/NETA ATS-2025. Value: medium-voltage motor starters.
tests.fuse-resistance.equipment.motor.maintenance	Fuse Resistance is specified for medium-voltage motor starters in maintenance testing at clause 7.16.1.2.B.9 of ANSI/NETA MTS-2023. Value: medium-voltage motor starters.

Insulated Bearing Insulation Resistance

Data records for Insulated Bearing Insulation Resistance.
Record	Statement
tests.insulated-bearing-insulation-resistance.equipment.motor.acceptance	Insulated Bearing Insulation Resistance is specified for AC induction motors and generators in acceptance testing at clause 7.15.1.B.8 of ANSI/NETA ATS-2025. Value: AC induction motors and generators.
tests.insulated-bearing-insulation-resistance.equipment.motor.maintenance	Insulated Bearing Insulation Resistance is specified for synchronous motors and generators in maintenance testing at clause 7.15.2.B of ANSI/NETA MTS-2023. Value: synchronous motors and generators.
tests.insulated-bearing-insulation-resistance.governed-by.ansi-neta-ats	Insulated Bearing Insulation Resistance is addressed in ANSI/NETA ATS-2025.
tests.insulated-bearing-insulation-resistance.governed-by.ansi-neta-mts	Insulated Bearing Insulation Resistance is addressed in ANSI/NETA MTS-2023.
tests.insulated-bearing-insulation-resistance.title	The test method is named Insulated Bearing Insulation Resistance. Value: Insulated Bearing Insulation Resistance.

Insulation power factor dissipation factor

Data records for Insulation power factor dissipation factor.
Record	Statement
tests.insulation-power-factor-dissipation-factor.equipment.motor.acceptance	Insulation Power Factor Dissipation Factor is specified for AC induction motors and generators in acceptance testing at clause 7.15.1.B.5 of ANSI/NETA ATS-2025. Value: AC induction motors and generators.
tests.insulation-power-factor-dissipation-factor.equipment.motor.maintenance	Insulation Power Factor Dissipation Factor is specified for synchronous motors and generators in maintenance testing at clause 7.15.2.B of ANSI/NETA MTS-2023. Value: synchronous motors and generators.

Insulation resistance

Data records for Insulation resistance.
Record	Statement
tests.insulation-resistance.equipment.generator.acceptance	Insulation Resistance is specified for engine-generator emergency systems in acceptance testing at clause 7.22.1.B.1 of ANSI/NETA ATS-2025. Value: engine-generator emergency systems.
tests.insulation-resistance.equipment.generator.maintenance	Insulation Resistance is specified for engine-generator emergency systems in maintenance testing at clause 7.22.1.B.1 of ANSI/NETA MTS-2023. Value: engine-generator emergency systems.
tests.insulation-resistance.equipment.motor.acceptance	Insulation Resistance is specified for AC induction motors and generators in acceptance testing at clause 7.15.1.B.2 of ANSI/NETA ATS-2025. Value: AC induction motors and generators.
tests.insulation-resistance.equipment.motor.maintenance	Insulation Resistance is specified for AC induction motors and generators in maintenance testing at clause 7.15.1.B.2 of ANSI/NETA MTS-2023. Value: AC induction motors and generators.

Motor Current Signature Analysis

Data records for Motor Current Signature Analysis.
Record	Statement
tests.motor-current-signature-analysis.equipment.motor.acceptance	Motor Current Signature Analysis is specified for AC induction motors and generators in acceptance testing at clause 7.15.1.B.15 of ANSI/NETA ATS-2025. Value: AC induction motors and generators.
tests.motor-current-signature-analysis.equipment.motor.maintenance	Motor Current Signature Analysis is specified for synchronous motors and generators in maintenance testing at clause 7.15.2.B of ANSI/NETA MTS-2023. Value: synchronous motors and generators.
tests.motor-current-signature-analysis.governed-by.ansi-neta-ats	Motor Current Signature Analysis is addressed in ANSI/NETA ATS-2025.
tests.motor-current-signature-analysis.governed-by.ansi-neta-mts	Motor Current Signature Analysis is addressed in ANSI/NETA MTS-2023.
tests.motor-current-signature-analysis.title	The test method is named Motor Current Signature Analysis. Value: Motor Current Signature Analysis.

Motor Run Test Under Load

Data records for Motor Run Test Under Load.
Record	Statement
tests.motor-run-test-under-load.equipment.motor.acceptance	Motor Run Test Under Load is specified for AC induction motors and generators in acceptance testing at clause 7.15.1.B.14 of ANSI/NETA ATS-2025. Value: AC induction motors and generators.
tests.motor-run-test-under-load.equipment.motor.maintenance	Motor Run Test Under Load is specified for synchronous motors and generators in maintenance testing at clause 7.15.2.B of ANSI/NETA MTS-2023. Value: synchronous motors and generators.
tests.motor-run-test-under-load.governed-by.ansi-neta-ats	Motor Run Test Under Load is addressed in ANSI/NETA ATS-2025.
tests.motor-run-test-under-load.governed-by.ansi-neta-mts	Motor Run Test Under Load is addressed in ANSI/NETA MTS-2023.
tests.motor-run-test-under-load.title	The test method is named Motor Run Test Under Load. Value: Motor Run Test Under Load.

Motor Vibration Analysis

Data records for Motor Vibration Analysis.
Record	Statement
tests.motor-vibration-analysis.equipment.generator.acceptance	Motor Vibration Analysis is specified for engine-generator emergency systems in acceptance testing at clause 7.22.1.B.5 of ANSI/NETA ATS-2025. Value: engine-generator emergency systems.
tests.motor-vibration-analysis.equipment.generator.maintenance	Motor Vibration Analysis is specified for engine-generator emergency systems in maintenance testing at clause 7.22.1.B.4 of ANSI/NETA MTS-2023. Value: engine-generator emergency systems.
tests.motor-vibration-analysis.equipment.motor.acceptance	Motor Vibration Analysis is specified for AC induction motors and generators in acceptance testing at clause 7.15.1.B.13 of ANSI/NETA ATS-2025. Value: AC induction motors and generators.
tests.motor-vibration-analysis.equipment.motor.maintenance	Motor Vibration Analysis is specified for synchronous motors and generators in maintenance testing at clause 7.15.2.B of ANSI/NETA MTS-2023. Value: synchronous motors and generators.
tests.motor-vibration-analysis.governed-by.ansi-neta-ats	Motor Vibration Analysis is addressed in ANSI/NETA ATS-2025.
tests.motor-vibration-analysis.governed-by.ansi-neta-mts	Motor Vibration Analysis is addressed in ANSI/NETA MTS-2023.
tests.motor-vibration-analysis.title	The test method is named Motor Vibration Analysis. Value: Motor Vibration Analysis.

Partial discharge offline

Data records for Partial discharge offline.
Record	Statement
tests.partial-discharge-offline.equipment.motor.acceptance	Partial Discharge Offline is specified for AC induction motors and generators in acceptance testing at clause 7.15.1.B.16 of ANSI/NETA ATS-2025. Value: AC induction motors and generators.
tests.partial-discharge-offline.equipment.motor.maintenance	Partial Discharge Offline is specified for synchronous motors and generators in maintenance testing at clause 7.15.2.B of ANSI/NETA MTS-2023. Value: synchronous motors and generators.

Phase rotation and phasing

Data records for Phase rotation and phasing.
Record	Statement
tests.phase-rotation-and-phasing.equipment.generator.acceptance	Phase Rotation and Phasing is specified for engine-generator emergency systems in acceptance testing at clause 7.22.1.B.3 of ANSI/NETA ATS-2025. Value: engine-generator emergency systems.

Polarity test

Data records for Polarity test.
Record	Statement
tests.polarity-test.equipment.motor.acceptance	Polarity Test is specified for DC motors and generators in acceptance testing at clause 7.15.3.B.7 of ANSI/NETA ATS-2025. Value: DC motors and generators.

Power factor tip up

Data records for Power factor tip up.
Record	Statement
tests.power-factor-tip-up.equipment.motor.acceptance	Power Factor Tip Up is specified for AC induction motors and generators in acceptance testing at clause 7.15.1.B.6 of ANSI/NETA ATS-2025. Value: AC induction motors and generators.
tests.power-factor-tip-up.equipment.motor.maintenance	Power Factor Tip Up is specified for synchronous motors and generators in maintenance testing at clause 7.15.2.B of ANSI/NETA MTS-2023. Value: synchronous motors and generators.

Resistor and coil resistance

Data records for Resistor and coil resistance.
Record	Statement
tests.resistor-and-coil-resistance.equipment.motor.acceptance	Resistor and Coil Resistance is specified for medium-voltage motor starters in acceptance testing at clause 7.16.1.2.B.7 of ANSI/NETA ATS-2025. Value: medium-voltage motor starters.
tests.resistor-and-coil-resistance.equipment.motor.maintenance	Resistor and Coil Resistance is specified for medium-voltage motor starters in maintenance testing at clause 7.16.1.2.B.8 of ANSI/NETA MTS-2023. Value: medium-voltage motor starters.

Rtd circuit verification

Data records for Rtd circuit verification.
Record	Statement
tests.rtd-circuit-verification.equipment.motor.acceptance	RTD Circuit Verification is specified for AC induction motors and generators in acceptance testing at clause 7.15.1.B.11 of ANSI/NETA ATS-2025. Value: AC induction motors and generators.
tests.rtd-circuit-verification.equipment.motor.maintenance	RTD Circuit Verification is specified for synchronous motors and generators in maintenance testing at clause 7.15.2.B of ANSI/NETA MTS-2023. Value: synchronous motors and generators.

Surge arrester and spd tests

Data records for Surge arrester and spd tests.
Record	Statement
tests.surge-arrester-and-spd-tests.equipment.motor.acceptance	Surge Arrester and SPD Tests is specified for AC induction motors and generators in acceptance testing at clause 7.15.1.B.9 of ANSI/NETA ATS-2025. Value: AC induction motors and generators.
tests.surge-arrester-and-spd-tests.equipment.motor.maintenance	Surge Arrester and SPD Tests is specified for synchronous motors and generators in maintenance testing at clause 7.15.2.B of ANSI/NETA MTS-2023. Value: synchronous motors and generators.

Surge Comparison Test

Data records for Surge Comparison Test.
Record	Statement
tests.surge-comparison-test.equipment.motor.acceptance	Surge Comparison Test is specified for AC induction motors and generators in acceptance testing at clause 7.15.1.B.7 of ANSI/NETA ATS-2025. Value: AC induction motors and generators.
tests.surge-comparison-test.equipment.motor.maintenance	Surge Comparison Test is specified for synchronous motors and generators in maintenance testing at clause 7.15.2.B of ANSI/NETA MTS-2023. Value: synchronous motors and generators.
tests.surge-comparison-test.governed-by.ansi-neta-ats	Surge Comparison Test is addressed in ANSI/NETA ATS-2025.
tests.surge-comparison-test.governed-by.ansi-neta-mts	Surge Comparison Test is addressed in ANSI/NETA MTS-2023.
tests.surge-comparison-test.title	The test method is named Surge Comparison Test. Value: Surge Comparison Test.

Synchronous Machine Field Application

Data records for Synchronous Machine Field Application.
Record	Statement
tests.synchronous-machine-field-application.equipment.motor.acceptance	Synchronous Machine Field Application is specified for synchronous motors and generators in acceptance testing at clause 7.15.2.B.18 of ANSI/NETA ATS-2025. Value: synchronous motors and generators.
tests.synchronous-machine-field-application.equipment.motor.maintenance	Synchronous Machine Field Application is specified for synchronous motors and generators in maintenance testing at clause 7.15.2.B of ANSI/NETA MTS-2023. Value: synchronous motors and generators.
tests.synchronous-machine-field-application.governed-by.ansi-neta-ats	Synchronous Machine Field Application is addressed in ANSI/NETA ATS-2025.
tests.synchronous-machine-field-application.governed-by.ansi-neta-mts	Synchronous Machine Field Application is addressed in ANSI/NETA MTS-2023.
tests.synchronous-machine-field-application.title	The test method is named Synchronous Machine Field Application. Value: Synchronous Machine Field Application.

Vacuum interrupter integrity

Data records for Vacuum interrupter integrity.
Record	Statement
tests.vacuum-interrupter-integrity.equipment.motor.acceptance	Vacuum Interrupter Integrity is specified for medium-voltage motor starters in acceptance testing at clause 7.16.1.2.B.5 of ANSI/NETA ATS-2025. Value: medium-voltage motor starters.
tests.vacuum-interrupter-integrity.equipment.motor.maintenance	Vacuum Interrupter Integrity is specified for medium-voltage motor starters in maintenance testing at clause 7.16.1.2.B.6 of ANSI/NETA MTS-2023. Value: medium-voltage motor starters.

Vacuum interrupter mac test

Data records for Vacuum interrupter mac test.
Record	Statement
tests.vacuum-interrupter-mac-test.equipment.motor.acceptance	Vacuum Interrupter MAC Test is specified for medium-voltage motor starters in acceptance testing at clause 7.16.1.2.B.3 of ANSI/NETA ATS-2025. Value: medium-voltage motor starters.
tests.vacuum-interrupter-mac-test.equipment.motor.maintenance	Vacuum Interrupter MAC Test is specified for medium-voltage motor starters in maintenance testing at clause 7.16.1.2.B.4 of ANSI/NETA MTS-2023. Value: medium-voltage motor starters.

Visual and mechanical inspection

Data records for Visual and mechanical inspection.
Record	Statement
tests.visual-and-mechanical-inspection.equipment.generator.acceptance	Visual and Mechanical Inspection is specified for engine-generator emergency systems in acceptance testing at clause 7.22.1.A of ANSI/NETA ATS-2025. Value: engine-generator emergency systems.
tests.visual-and-mechanical-inspection.equipment.generator.maintenance	Visual and Mechanical Inspection is specified for engine-generator emergency systems in maintenance testing at clause 7.22.1.A of ANSI/NETA MTS-2023. Value: engine-generator emergency systems.
tests.visual-and-mechanical-inspection.equipment.motor.acceptance	Visual and Mechanical Inspection is specified for AC induction motors and generators in acceptance testing at clause 7.15.1.A of ANSI/NETA ATS-2025. Value: AC induction motors and generators.
tests.visual-and-mechanical-inspection.equipment.motor.maintenance	Visual and Mechanical Inspection is specified for AC induction motors and generators in maintenance testing at clause 7.15.1.A of ANSI/NETA MTS-2023. Value: AC induction motors and generators.

Winding resistance

Data records for Winding resistance.
Record	Statement
tests.winding-resistance.equipment.motor.acceptance	Winding Resistance is specified for AC induction motors and generators in acceptance testing at clause 7.15.1.B.4 of ANSI/NETA ATS-2025. Value: AC induction motors and generators.
tests.winding-resistance.equipment.motor.maintenance	Winding Resistance is specified for synchronous motors and generators in maintenance testing at clause 7.15.2.B of ANSI/NETA MTS-2023. Value: synchronous motors and generators.

Standards

IEEE Recommended Practice for Testing Insulation Resistance of Electric Machinery

Data records for IEEE Recommended Practice for Testing Insulation Resistance of Electric Machinery.
Record	Statement
std.ieee-43.approved	The 2013 edition of IEEE 43 was approved on 2013-12-11. Value: 2013.
std.ieee-43.designation	IEEE 43-2013 is the designation of the document titled IEEE Recommended Practice for Testing Insulation Resistance of Electric Machinery. Value: IEEE 43-2013.
std.ieee-43.edition.2013	IEEE 43-2013 is the 2013 edition of the IEEE document titled IEEE Recommended Practice for Testing Insulation Resistance of Electric Machinery, published on 2014-03-06. Value: 2013.
std.ieee-43.revision-of	IEEE 43-2013 is a revision of IEEE 43-2000. Value: 2013.
std.ieee-43.scope	The recommended practice describes direct-voltage procedures for measuring the insulation resistance and polarization index of stator and rotor windings and explains how to interpret the results.
std.ieee-43.sponsor	IEEE 43-2013 was sponsored by the Electric Machinery Committee of the IEEE Power and Energy Society.
std.ieee-43.status	The IEEE catalog lists IEEE 43-2013 with the status Inactive-Reserved Standard, with an inactivation date of 2024-03-21. Value: Inactive-Reserved Standard.
std.ieee-43.structure.annex-a	Annex A of IEEE 43-2013 is informative and describes variants of the polarization index.
std.ieee-43.structure.conditions	Clause 7 of IEEE 43-2013 covers the conditions recorded at the time of test, and clause 8 covers the winding connections used for the test.
std.ieee-43.structure.factors	Clause 6 of IEEE 43-2013 covers the factors that affect insulation resistance readings, among them surface condition, moisture, temperature and test voltage.
std.ieee-43.structure.instruments	Clause 9 of IEEE 43-2013 describes the instruments and methods for measuring insulation resistance.
std.ieee-43.structure.interpretation	Clause 11 of IEEE 43-2013 covers the interpretation of test results, and clause 12 gives recommended minimum values.
std.ieee-43.structure.procedure	Clause 5 of IEEE 43-2013 sets out the insulation resistance and polarization index test procedures and the choice of test voltage.
std.ieee-43.structure.safety	Clause 4 of IEEE 43-2013 deals with safety during insulation resistance testing.
std.ieee-43.structure.voltage-application	Clause 10 of IEEE 43-2013 covers how the test voltage is applied and held, including allowance for the drop across a protective resistor.
std.ieee-43.title	The publisher catalog gives the full title of IEEE 43-2013 as IEEE Recommended Practice for Testing Insulation Resistance of Electric Machinery. Value: IEEE Recommended Practice for Testing Insulation Resistance of Electric Machinery.