Skilled Trades 1201

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Skilled Trades 1201

• Provincial Electrical Code

2
Electrical Code

• Wire Size
• The diameter of the wire determines the amount
  of current that can safely flow through it.

3
Electrical Code

• Wire Size
• The diameter of the wire determines the amount
  of current that can safely flow through it.
• Wires are sized according to a table known as
  the American Wire Gauge (AWG).

4
Electrical Code

• Wire Size
• Wire size varies from AWG 40 to 0000 with 40
  being the smallest and 0000 the largest.

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Electrical Code

• Wire Size
• Wire size varies from AWG 40 to 0000 with 40
  being the smallest and 0000 the largest.
• The larger the number the smaller the wire
  diameter.

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Electrical Code

• Common Residential Wire Sizes

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Electrical Code

• Common Residential Wire Sizes
• 24 AWG Used for Computers

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Electrical Code

• Common Residential Wire Sizes
• 24 AWG Used for Computers
• 22 AWG Used for Telephone

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Electrical Code

• Common Residential Wire Sizes
• 24 AWG Used for Computers
• 22 AWG Used for Telephone
• 18 AWG Used for Doorbell Circuit

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Electrical Code

• Common Residential Wire Sizes
• 24 AWG Used for Computers
• 22 AWG Used for Telephone
• 18 AWG Used for Doorbell Circuit
• 14 AWG Used for Light, Switches,
  Receptacles,

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Electrical Code

• Common Residential Wire Sizes
• 12 AWG Used for Light, Switches,
  Receptacles, Baseboard
• Heaters, , Hot Water Heaters

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Electrical Code

• Common Residential Wire Sizes
• 12 AWG Used for Light, Switches,
  Receptacles, Baseboard
• Heaters, , Hot Water Heaters
• 10 AWG Used for Clothes Dryers

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Electrical Code

• Common Residential Wire Sizes
• 12 AWG Used for Light, Switches,
  Receptacles, Baseboard
• Heaters, , Hot Water Heaters
• 10 AWG Used for Clothes Dryers
• 8 AWG Used for Electric Range

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Electrical Code

• Common Residential Wire Sizes
• 12 AWG Used for Light, Switches,
  Receptacles, Baseboard
• Heaters, , Hot Water Heaters
• 10 AWG Used for Clothes Dryers
• 8 AWG Used for Electric Range
• 2 AWG Used for Ground Wire

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Electrical Code

• Common Residential Wire Sizes
• 000 AWG Service Entrance Cable

16
Electrical Code

• Common Residential Wire Sizes
• 000 AWG Service Entrance Cable
• 0000 AWG Service Entrance Cable

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Electrical Code

• Residential Wire Colour Code
• Hot Wire Black or any other colour except
  White, Green, bare copper.

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Electrical Code

• Residential Wire Colour Code
• Hot Wire - Black or any other colour except
  White, Green, bare copper.
• Neutral Wire White, Is grounded at the main
  switch and runs to each 120V outlet without
  interruption.

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Electrical Code

• Residential Wire Colour Code
• Hot Wire - Black or any other colour except
  White, Green, Bare Copper.
• Neutral Wire White, Is grounded at the main
  switch and runs to each 120V outlet without
  interruption.
• Ground Wire Green or Bare Copper

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Electrical Code

• Residential Wire Colour Code
• 2-Wire Circuit
• Black and White Wires-Used for lights and
  receptacles in 120 volts AC circuits.

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Electrical Code

• Residential Wire Colour Code
• 2-Wire Circuit
• Black and White Wires - Used for lights and
  receptacles in 120 volts AC circuits.
• Black and Red Wires Used for electric heaters
  and hot water tanks in 220 volt circuits

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Electrical Code

• Residential Wire Colour Code
• 2-Wire Circuit
• Black and White Wires - Used for lights and
  receptacles in 120 volts AC circuits.
• Black and Red Wires Used for electric heaters
  and hot water tanks in 220 volt circuits
• Black and Red Wires Used between switch and
  lighting outlets.

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Electrical Code

• Residential Wire Colour Code
• 3-Wire Circuit
• Black, Red, White or Green Wires
• Used for electric Dryers and Ranges.

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Residential Electrical Regulations

• Governing Bodies that control Residential Wiring

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Residential Electrical Regulations

• Governing Bodies that control Residential Wiring
• Regulations of building and electrical codes is
  a provincial jurisdiction. Each province
  regulates by passing laws which mandates a
  standard set of codes and regulations

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Residential Electrical Regulations

• The Standards Council of Canada is a federal
  crown corporation, which has advisors from all
  the provinces, that create a set of standards and
  codes for many areas of construction, including
  electrical.

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Residential Electrical Regulations

• Regulations that govern the electrical trades
  are
• Canadian Electrical Codes
• Municipal Electrical Codes
• CSA and UL
• Insurance Regulations