WorksheetsSSC Topic C015
Total questions: 6
Worksheet time: 3mins
What is the primary purpose of Ground Fault Circuit Interrupters (GFCIs)?
To increase the voltage available in extension cords
To minimize most dangerous electrical situations
To ensure all electrical tools are double insulated
To provide a backup power source in case of failure
According to the National Electrical Code, what is required for grounding conductors?
They must be connected to any local metallic water-piping system
They must be insulated with plastic housings
They must be used only in dry conditions
They must be connected to a non-metallic water-piping system
What is a potential hazard of using extension cords improperly?
They can cause a reverse in polarity
They can create an over-current hazard
They can increase the length of the cord
They can reduce the voltage available
What must a conductor used as a ground conductor be able to do according to OSHA regulations?
Be insulated with double plastic housings
Be identifiable and distinguishable from all other conductors
Be connected to any terminal or lead
Be used for any other purpose
What is the requirement for all 120-volt, single-phase, 15- and 20-amp outlets used on the jobsite?
They must be part of the building's permanent wiring
They must have approved GFCIs
They must be used only by supervisors
They must be insulated with rubber housings
What is the company's responsibility regarding portable electrical tools used in the workplace?
To ensure they are equipped with proper grounding plugs and double insulated housings
To ensure they are used only in dry conditions
To ensure they are connected to a non-metallic water-piping system
To ensure they are used only by trained electricians
