Electrical Boxes Quiz

What are the two main categories of electrical boxes?

• Steel and Fiberglass

• Plastic and Aluminum

• Metal and PVC

• Copper and PVC

When is a metal electrical box required?

• When using non-metallic cable

• When using metal conduit

• When installing outdoor receptacles

• When installing ceiling fans

What is a common use for round pan electrical boxes?

• Supporting heavy light fixtures

• Mounting ceiling fans

• Installing outdoor lights

• Holding multiple devices side-by-side

What is the main advantage of 4-inch square boxes?

• They provide maximum volume for multiple conductors

• They have built-in cable clamps

• They are used for outdoor installations

• They are lightweight

What is the purpose of a junction box?

• To enclose wire splices

• To support ceiling fans

• To hold light fixtures

• To mount outdoor receptacles

What is the main advantage of plastic electrical boxes?

• They are lightweight

• They are fireproof

• They are strong

• They provide maximum volume for multiple conductors

When is it recommended to use a plastic electrical box?

• When attaching to a masonry wall

• When using metal-sheathed wiring

• When installing outdoor receptacles

• When using metal conduit

What is a common issue with plastic electrical boxes?

• They can twist out of shape

• They are difficult to work with

• They are expensive

• They have sharp edges

What is a common feature of many plastic electrical boxes?

• Built-in cable clamps

• Metal brackets for adjustable attachment

• Pre-attached nails for nailing into studs

• Doors that act as clamps for holding electrical cable

When should metal electrical boxes be used?

• When using NM wiring

• When installing outdoor receptacles

• When using plastic conduit

• When attaching to a masonry wall