Q3 M5 - INSTALLING SIGNAL & ALARM SYSTEM: NEC/PEC RULES & PROCED

It is a signaling device which produces continuous ringing sound when electrical energy is applied.

• Electric bell
• Electric buzzer
• Electric chime
• All of the above

It is a signaling device which produces a loud buzzing sound when activated by a push button.

• Electric bell
• Electric buzzer
• Electric chime
• All of the above

It is a signaling device which produces a pleasant musical sound when connected to the electrical source.

• Electric bell
• Electric buzzer
• Electric chime
• All of the above

It is an electrical bell material that closes the circuit when you push it and automatically opens the circuit when you release it.

• Push button switch
• Single pole switch
• Electric buzzer
• All of the above

It is a bell wiring material used to attach or fasten the bell wire to the wood surface. It has a U-shape with a paper or plastic insulator at the base. When driven on wood, it clips the wire firmly.

• Push button switch
• Friction Tape
• Insulated staple
• Bell Transformer

This is a device which reduces the house voltage of 220 volts down to 6 volts. It is the voltage needed by an ordinary bell. A dry cell may be used instead of a transformer as an electrical source.

• Push button switch
• Friction Tape
• Insulated staple
• Bell Transformer

This is a sticky strip of cloth used as insulating materials on electrical joints. There are three kinds of electrical tapes available in the market: rubber, cloth and plastic.

• Push button switch
• Friction Tape
• Insulated staple
• Bell Transformer

This shows the objects as seen by the eye. The true shapes, sizes, and connection of the object are drawn.

• Pictorial Drawing
• Line Drawing
• Schematic Drawing
• Single Diagram

This shows all the parts of the circuit in symbols.

• Pictorial Drawing
• Line Drawing
• Schematic Drawing
• Single Diagram

This is a sticky strip of cloth used as insulating materials on electrical joints. There are three kinds of electrical tapes available in the market: rubber, cloth and plastic.

• Bell wire
• Friction Tape
• Electrical staple
• Bell Transformer