R2 LT3 Flashcards
What is the process of testing and verification often referred to as?
Commissioning
Why is it important to test electrical equipment installed in a facility?
To ensure it functions according to manufacturer’s parameters and meets client’s specified requirements
What is commissioning?
Important component of any project
How do responsibilities for commissioning and QA/QC vary?
Varies from project to project
What may be rigorous and formalized on large projects?
Commissioning and QA/QC procedures
What might be characterized by less formal procedures on smaller projects?
QA/QC procedures
Why should procedures be developed and used by contractors?
Ensure quality service and provide documented evidence
Why is commissioning important?
Fundamental factor in QA/QC procedures
What is the variation in perception regarding commissioning and QA/QC?
Great deal of variation in scope and overlap
What should electrical contractors develop for commissioning and QA/QC procedures?
Formal procedures
What should be listed in commissioning logs?
Every piece of equipment
What should be considered when verifying the functionality of switches and receptacles?
Basic testing, sensor operation, timing requirements, switching types, AFCI and GFCI testing
What are some quality-control procedures for receptacles and switches?
Mounting height, level, cover plates, circuit labeling, device layout
What are some examples of more complex tests in advanced commissioning procedures?
Voltage drop testing under load, verification of illuminance
What is the most common error in wiring as AFCI or GFCI receptacle?
Mixing up the wiring of the line and load terminals.
