Res wiring & codes EXAM

• a light that can make contact with combustible materials

  IC RATED
• A light that has to be 3 inches or 76mm away from combustible material

  Non-IC RATED
• What are the 4 types of lighting?

  Security, General, Accent and Task
• What is the common mounting height for switches?

  48 inches
• What is the common mounting height for receptacles?

  16 inches
• What are the thin metal straps that are installed on “old work boxes” to provide a secure attachment referred to as?

  Madison hold-its or Madison straps
• What voltages are found in residential homes?

  120V and 240V
• Who determines whether metal or non-metallic will be used in a residential home?

  Electrician / Electrical Contractor
• how thick does a smash plate/metal protection plate need to be?

  At least 1.6 mm thick
• Cables must be secured within ?? Of each box, cabinet, conduit body or other armoured cable termination.

  12 inches or 300 mm
• maximum distance between straps/staples should not exceed?

  1.4 m
• When is a smash plate needed?

  When a hole has an edge closer than 32 mm to the edge of the framing member.
• What is the name for bushings used with Type AC cable?

  Anti-Short bushings also known as redheads
• When using metal framing members what is needed at each hole?

  Bushings or snap-in grommets
• How much wire should be outside of a device box?

  6 mm
• name 3 types of cable

  1. Armoured cable (BX)

  2. Romex (NM)

  3. Underground Feeder (UF)
• What switch has an ON and OFF?

  Single pole switch
• What is a double pole switch used for?

  used to control 240v load

  example; electric water heater
• How many locations can a three way switch control?

  2 location(s)
• How many locations can a four way switch control?

  3 or more locations
• How many screws does a single pole switch have?

  2
• How many screws does a double pole have?

  4
• How many screws does a three way switch have?

  3
• How many screws does a 4 way Switch have?

  4
• What are two things to consider when choosing a cable type?

  Temperature and location
• How many switches are needed for 8 locations?

  2 - 3way

  6 -4way
• How many switches needed for 6 locations?

  2 -3way

  4 -4way
• At what height should a paddle fan be?

  7 Ft minimum
• What is a ballast?


  A regulating component of a fixture that limits the current and provides proper voltage
• What is a Class P ballast?

  ballast with built-in thermal protection
• What does the thermal protector do?

  The thermal protector will disconnect the ballast from circuit in event of high temperature
• Surface-mounted fluorescent luminaries are recommended to be mounted at least ?? mm from storage space

  300 mm
• Recessed incandescent and fluorescent luminaries are recommended to be mounted at least ?? mm from the storage space

  150 mm