TLE 4TH SUMTEST

• What is a circuit breaker?

  A device to open and close a circuit
• How does a circuit breaker function in an overload situation?

  It opens the circuit automatically to prevent damage
• What is the definition of ground in electrical terms?

  A conducting connection to earth or body
• What is a lighting outlet?

  An outlet for connecting a lamp or fixture
• What is the purpose of a receptacle?

  To connect an attachment plug and flexible cord
• What is an electrical plan also known as?

  Electrical drawing or wiring diagram
• What does an electrical plan visually represent?

  Circuits and electrical systems with symbols
• What essential details are included in an electrical drawing?

  Interconnections, power lines, and equipment
• What are the purposes of an electrical plan?

  • Documenting and communicating information
  • Ensuring compliance with code regulations
  • Focusing on lighting, electronics, and appliances
  • Considering building structure for modifications
  • Providing a thorough planning tool for wiring systems
  • Distributing power accurately to appliances
• What are the benefits of having an electrical plan?

  • Highlights potential risks for amendments
  • Ensures safe and efficient system operation
  • Saves time by avoiding delays and problems
  • Saves money by detailing necessary materials
  • Prevents injury by identifying hazardous areas
• What must electrical works comply with?

  Electrical Code and local power company rules
• What is the minimum size for wiring unless specified otherwise?

  ½ diameter trade sizes
• Who installs electric meters?

  Power utility company
• Who can sign electrical plans according to the Philippine Electrical Code?

  Only professional engineers
• What is the smallest size of wire to be used?

  12 TW wire unless specified otherwise
• What is the minimum size of electric wire for service entrance?

  Number 8 AWG
• What are electrical symbols used for?

  To represent electrical devices in diagrams
• What are common electrical symbols used for?

  • Representing electrical devices in diagrams
  • Sketching schematic diagrams and electrical plans
  • Guiding electricians for easier installation
• What factors must be considered when planning lighting?

  Light amount, quality, and distribution
• What is an incandescent light bulb?

  A yellowish bulb commonly used in homes
• What is a compact fluorescent lamp?

  A lamp using a curved tube to fit space
• What is a light-emitting diode (LED)?

  A bulb advised for electricity savings
• What is a halogen light bulb?

  An enhanced version of incandescent lighting
• What is an electrical outlet or receptacle?

  A socket connecting a device to electricity
• What is a single receptacle outlet?

  It receives only one electrical plug
• What is a duplex receptacle outlet?

  It provides space for two electrical receptacles
• What is a fuse?

  A thin strip of metal for safety
• How does a fuse protect a circuit?

  It melts to break the flow of electricity
• What is a circuit breaker?

  An electromechanical device for circuit protection
• What is the function of a switch?

  To connect or disconnect the conducting path
• What are the different configurations of switches?

  • Multiple sets of contacts
  • Operate simultaneously, sequentially, or alternately
  • Manual or sensing operation
• What is a switchboard?

  A free-standing assembly of switches and fuses
• What is a panel board?

  A group of panel units for circuit control
• What are the steps to draft an electrical plan?

  1. Know your layout
  2. Plan in advance
  3. Use interior layout as a starting point
  4. Walk through your plan
• What are the steps in preparing an electrical plan?

  1. Determine appliance positions
  2. Draw electrical symbols
  3. Connect switches to fixtures
  4. Show outlet positions
  5. Locate power source
  6. Draw single line riser diagram
  7. Determine number of fixtures
  8. Draw load schedule
  9. Compute total current
  10. Write specifications and notes
• What tips should be considered while making an electrical plan?

  1. Think about furniture placement
  2. Plan for additional outlets
  3. Utilize different types of lights
• What is the purpose of an electrical plan reading?

  To present electrical wiring connections graphically
• What does an electrical plan indicate?

  The position of electrical fixtures in a building
• How are electrical fixtures numbered according to the plan?

  According to their quantity in the plan