030205a Service Conductor Ampacity for a Single Dwelling Flashcards

1
Q

Name the four Section 8 Headings from the Table of Contents that come after “Scope” & “General”

A
  • Calculated load for services and feeders
  • Branch circuits
  • Heater receptacles for vehicles powered by flammable or combustable fuels
  • Electric vehicle energy management system
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2
Q

What is a Dwelling Unit according to Section 0 (Definitions)

A

One or More Rooms for the use of One or More Persons as a Housekeeping unit with facilities for…

  • cooking
  • eating
  • living
  • sleeping
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3
Q

What is a Single Dwelling according to Section 0 (Definitions)

A

A Dwelling Unit that is a:

  • Detached House
  • One unit of Row Housing
  • One unit of a Semi-Dettached
    • Duplex or;
    • Triplex or;
    • Quadraplex
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4
Q

The ampacity of service conductors or feeders supplying heating devices only, shall be based on which rule?

A

62-118(3)(a)(b)

a) the first 10kW of connected heating load at 100% demand factor; plus
b) the balance of the connected heating load at 75% demand factor

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5
Q

What is the formula for determining if an expansion joint is required for the service conduit?

A

Length(metres) • ∆T(change in temperature C°) • Coefficient of Linear Expansion = Expected Conduit Expansion(mm)

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6
Q
A
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