Understanding Blueprints and Electrical Symbols

What is the symbol for a 120-volt duplex receptacle?

• Circle with three lines

• Square with one line

• Circle with two lines

• Circle with one line

What does GFCI stand for in electrical terminology?

• General Function Circuit Indicator

• Ground Fault Circuit Interrupter

• General Fault Circuit Interrupter

• Ground Function Circuit Interrupter

What does the abbreviation 'CT' next to a receptacle symbol mean?

• Ceiling Type

• Countertop

• Circuit Terminal

• Controlled Temperature

What does a 'quad' receptacle symbol represent?

• A high-voltage outlet

• A four-way dimmer switch

• Two duplex receptacles side by side

• Four switches in one box

Which symbol represents a three-way switch?

• S with a D next to it

• S with a dotted line

• S with a 4 next to it

• S with a 3 next to it

What is the purpose of an occupancy sensor (OS)?

• To detect smoke in a room

• To control temperature

• To automatically turn lights on/off based on motion

• To signal an emergency

What does a square with a circle in the middle symbolize?

• A wall sconce

• A recessed can light

• A pendant light

• A ceiling fan

What does the symbol with a circle and a small arrow indicate?

• An emergency light

• A directional can light

• A dimmable light

• A weatherproof light

What does the symbol 'SD' stand for?

• System Disconnect

• Signal Detector

• Smoke Detector

• Switch Dimmer

Which symbol is used to denote a junction box in commercial settings?

• A box with a 'J' in it

• A box with an 'SD' in it

• A circle with a cross

• A square with a diagonal line