18. This piece of equipment is the only instrumentapproved to test if a circuit is de-energized.oscilloscopeO phase rotation meterVolt meternon-contact voltage indicator

Answered: 18. This piece of equipment is the only…

18. This piece of equipment is the only instrument approved to test if a circuit is de-energized. oscilloscope phase rotation meter Volt meter non-contact voltage indicator

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter6: Reading Schematic Diagrams

Section: Chapter Questions

Problem 23RQ: Explain why the lockout relay coil energizes instead of the contactor coil. See Figure 6.34.

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Type of Magnetic Material

Every material has a unique composition that defines its magnetic behavior. Some materials get attracted towards a magnet and are called magnetic materials. Based on the magnetic properties held by each material, they are classified into different types.

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18. This piece of equipment is the only instrument
approved to test if a circuit is de-energized.
oscilloscope
O phase rotation meter
Volt meter
non-contact voltage indicator

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