Friday, February 4, 2011

Temporary Wiring

Temporary wiring mean that apply to temporary electrical power and lighting wiring method that may be of a class less than would be required for a permanent installation.

Time Constrains:
  • During the period of construction, temporary electrical power and lighting installations shall be permitted during the period of construction, remodeling, maintenance, repair, or demolition of buildings, structures, equipment, or similar purposes.
  • Temporary electrical power and lighting installation shall be permitted for a period not to exceed 90 days for celebration decorative lighting, carnivals, and similar purposes.
  • Temporary electrical power and lighting installations shall be permitted during emergencies and for tests, experiments, and development work.
  • Temporary wiring shall be removed immediately upon completion of construction or purpose for which the wiring was installed.
Conductor of Different Systems:
Suitable covers shall be installed on all boxes, fittings, and similar to prevent accidental contact with energized parts or physical damage to parts or insulation.

Conductor Bending Radius:
The conductor shall not be bent to a radius less than eight times the overall diameter for non-shielded conductors or twelve times the diameter for shielded or lead covered conductors during or after installation.

Protection Against induction Heating:
Metallic raceways and associated conductors shall be so arranged as to avoid heating of the raceway in accordance with the applicable provisions.

Grounding:
Wiring and equipment installations shall be grounded in accordance with the applicable provision.

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