Quiz on Signal and Alarm Installation

What is the minimum distance signaling wires must be from electric light or power lines?

• 1 foot

• 10 inches

• 5 inches

• 3 inches

What must be used when wires are bunched vertically?

• Insulation tape

• Conduit or fire-resistant covering

• Plastic wrap

• Rubber bands

What type of wires are commonly used in signal and alarm systems?

• No. 14 copper wires

• No. 18 or 16 copper wires

• No. 12 copper wires

• No. 20 aluminum wires

What is the purpose of a step-down transformer in a signal and alarm system?

• To increase voltage

• To amplify sound

• To convert AC to DC

• To lessen the use of batteries

What component of an electric bell produces strong magnetic attraction?

• Hammer

• Gong

• Electromagnet

• Spring

What happens when the switch of an electric bell is pushed closed?

• The hammer gets stuck

• The circuit is broken

• Current flows through the electromagnetic coil

• The bell rings immediately

What is the function of the hammer in an electric bell?

• To produce sound

• To strike the gong

• To close the circuit

• To hold the electromagnet

What type of devices can signal and alarm systems include?

• Only manual devices

• Only automatic devices

• Remote control, automatic, or manual devices

• Only wired devices

What should splices and joints conform to in signal and alarm installations?

• Safety guidelines

• Manufacturer's instructions

• PEC regulations

• Local building codes

Where should protective devices be installed?

• At the highest point of the building

• As near as possible to the point of entrance

• In a separate room

• Far from the entrance