What is electrical installation and maintenance EIM?

The Electrical Installation and Maintenance NC II Qualification consists of competencies that a person must achieve to enable him/her to install and maintain electrical wiring, lighting and related equipment and systems where the voltage does not exceed 600 volts in residential houses/buildings.

What are the materials needed in electrical installation and maintenance?

Electrical Materials & Products

  • Electrical Conduit and Conduit Fitting. Electrical Conduit is a tube that carries electrical wire for power or communications.
  • Electrical Wire and Cable.
  • Explosion Proof Enclosures.
  • Circuit Breakers.
  • Electrical Connectors.
  • Electrical Box.
  • Lugs.
  • Motor Control.

What are the common problems in electrical installation?

Commonly Encountered Electrical Installation Problems

  • Insecure Wiring. The staples that hold your wiring in place need to be driven in to a fairly precise degree.
  • Wrong Wiring Sizes.
  • Improper Wire Length.
  • Unprotected Wiring.
  • Connections.

What are the preliminary and core competencies of electrical installation and maintenance?


  • Prepare electrical power and hydraulic tools.
  • Perform roughing-in activities for communication and distribution systems.
  • Install wiring devices for floor and ground fault current interrupting outlets.
  • Install electrical protection system for lighting and grounding.

How important are electrical tools and equipment?

Tools are valuable items that make work become quicker, simpler, and more convenient. They have made tasks like repairing and building much easier, turning some of the most tedious projects into something that only takes a short while to accomplish.

What is the purpose of electrical installation and maintenance?

Electrical Installation and Supply in Buildings. Protection against Over-Current and Short Circuit. Protection against Earth Leakage and Earth Fault. Inspection and Upkeep of Electrical Installations.

What are the material used in house wiring?

Wiring materials Electrical wire is made of materials like copper, aluminium and silver. As silver is expensive, mostly copper and aluminium are used in wiring.

What material is used for electrical wiring?

Electrical conductors are made up of metals such as, copper, aluminum, etc. These metals are used to make wires. Most wires are made out of copper because it conducts electricity with high flexibility and very little resistance.

How do you know if you have an electrical problem in your house?

How to Spot Electrical Problems in Your Home

  1. Unfamiliar or funny odors.
  2. Arc faults.
  3. Counterfeit electrical products.
  4. Warm or sparking outlets and switches.
  5. Buzzing sounds.
  6. Flickering lights.
  7. Broken light switches and loose outlets.
  8. Hot ceiling fixtures.

What should you not do with electrical parts in a house?

DON’T yank electrical cords from the wall – this can damage both the plug and the outlet. DON’T attach a cord to another surface with nails or staples – they can damage the insulation. DON’T use damaged or brittle electrical cords, even if bare wires aren’t visible.

What is the importance of electrical installation and maintenance?

Proper installation and maintenance is very important in both commercial and residential facilities. A faulty wiring that is not immediately given attention can result into a greater danger such as fire and electrocution. Hiring a qualified or certified electrician is crucial in proper installation and maintenance.

What is the meaning of EIM Strand?

Electrical Installation and Maintenance
TVL – Electrical Installation and Maintenance (EIM/New Strand) FAQs Why EIM? This strand will hone the skills of the students to repair and installation of domestic refrigeration and air-conditioning servicing, transmission line installation and maintenance, electrical installation and maintenance.