30 Questions
What is a characteristic of EMTs compared to other electrical conduits?
They are less expensive and lighter
What is the primary material used to make FMC?
Aluminum or Steel
Where is FMC typically used?
In dry areas where it would be impractical to install rigid conduits
What is the purpose of a locknut?
To keep a nut from being accidentally loosened
What is another name for FMC?
Greenfield
What is the shape of the strip used to make FMC?
Helical
What is the primary purpose of an electrical conduit?
To protect and route electrical wiring in a building or structure
What type of conduit is usually made of coated steel, stainless steel, or aluminum?
Rigid Metal Conduit (RMC)
How far from the floor should a standard outlet be placed?
30 cm from the floor
What is Intermediate Metal Conduit (IMC) compared to RMC?
Heavier than EMT but lighter than RMC
How far from the door should a standard switch be placed?
10 cm from the door
What is the top of a panel board placed in relation to the floor?
180 cm from the floor
What is the primary purpose of a bushing?
To allow an electrical conductor to pass safely through a conducting barrier
What type of material is lighter in weight and lower in cost compared to steel?
Polyvinyl Chloride (PVC)
What is the primary function of a C-Clamp?
To ensure a conduit is safely secured
What is a characteristic of PVC conduit materials?
Resistant to moisture and many corrosive substances
What type of fittings are available for PVC conduit materials?
Most of the various fittings made for metal conduit
What is a suitable use for heavier grades of PVC conduit materials?
Direct burial and exposed work
What is the purpose of a junction box?
To provide a safety barrier and conceal electrical connections
What type of bend is used when there is an obstacle in the path of the conduit?
Offset bend
What is a utility box used for?
For convenience outlets, switch boxes, or small junction boxes
What special tool is used to bend PVC conduit in the field?
Heating tool
What feature of a utility box provides easier access and prevents the ground screw from protruding beyond the bottom of the box?
Raised ground screw
What is the primary function of a conduit?
To protect electrical connections and provide a safety barrier
What is the purpose of an elbow or angled bend in a pipe or conduit?
To change the direction of the pipe or conduit
What is a round saddle bend used for?
To go across circular objects like other conduits
What is another name for a round saddle bend?
Three-point saddle bend
What type of bend is used when the direction of the pipe or conduit needs to be changed?
Angled bend
What is the degree of an angled bend?
45-degree or 90-degree
What is the purpose of conduit bends?
To change the direction of the pipe or conduit
This quiz covers standard measurements for electrical installations, including switch and outlet placement and panel board heights. Test your knowledge of electrical installation standards.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
