Residential Electrical Services – Module ID 26111-14

Residential Electrical Services – Module ID 26111-14

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Module ID 26111-14  This module introduces trainees to the various types of devices and installation procedures used in residential wiring. It also covers service-entrance and branch circuit calculations and National Electrical Code® requirements.

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Description

Objectives

Upon completion of this module, the trainee will be able to do the following:

1. Explain the role of the National Electrical Code® in residential wiring and describe how to determine electric service requirements for dwellings.

2. Explain the grounding requirements of a residential electric service.

3. Calculate and select service-entrance equipment.

4. Select the proper wiring methods for various types of residences.

5. Compute branch circuit loads and explain their installation requirements.

6. Explain the types and purposes of equipment grounding conductors.

7. Explain the purpose of ground fault circuit interrupters and tell where they must be installed.

8. Size outlet boxes and select the proper type for different wiring methods.

9. Describe rules for installing electric space heating and HVAC equipment.

10. Describe the installation rules for electrical systems around swimming pools, spas, and hot tubs.

11. Explain how wiring devices are selected and installed.

12. Describe the installation and control of lighting fixtures.

Performance Tasks

Under the supervision of the instructor, the trainee should be able to do the following:

1. For a residential dwelling of a given size, and equipped with a given list of major appliances, demonstrate or explain how to:

• Compute lighting, small appliance, and laundry loads.

• Compute the loads for large appliances.

• Determine the number of branch circuits required.

• Size and select the service-entrance equipment (conductors, panelboard, and protective devices).

2. Using an unlabeled diagram of a panelboard (Performance Profile Sheet 3), label the lettered components.

3. Select the proper type and size outlet box needed for a given set of wiring conditions.

Course Sessions

Sessions I and II. Introduction; Sizing Electrical Service

A. Introduction

B. Sizing Electrical Service

C. Sizing Residential Neutral Conductors

D. Sizing the Load Center E. PT/Laboratory

Have trainees practice computing various branch loads. This laboratory corresponds to Performance Task 1.

Session III. Grounding

A. Grounding Electrical Services

B. Main Bonding Jumper

C. PT/Laboratory

The trainees will practice identifying the components of a panel board. This laboratory corresponds to Performance Task 2. Topic Planned Time

Session IV. Installation, Part One

A. Installing the Service Entrance

B. Panelboard Location

C. Wiring Methods

D. Equipment Grounding System

E. Branch Circuit Layout for Power

Session V. Installation, Part Two

A. Branch Circuit Layout for Lighting

B. Outlet Boxes

C. PT/Laboratory

The trainees will practice selecting the proper type and size outlet box needed for a given set of wiring conditions. This laboratory corresponds to Performance Task 3.

D. Wiring Devices

E. Lighting Control

Session VI. Electric Heating; Pools; Review and Testing

A. Electric Heating

B. Residential Swimming Pools, Spas, and Hot Tubs

C. Review

D. Module Examination

1. Trainees must score 70% or higher to receive recognition from NCCER.

2. Record the testing results on NCCER National Registry, and submit the results to the Training Program Sponsor.

E. Performance Testing

1. Trainees must perform each task to the satisfaction of the instructor to receive recognition from NCCER. If applicable, proficiency noted during laboratory exercises can be used to satisfy the Performance Testing requirements.

2. Record the testing results on TNCCER National Registry, and submit the results to the Training Program Sponsor.

Book Index

1.0.0   Introduction

2.0.0   Sizing the Elecgtrical Service

2.1.0   Floor Plans

2.2.0   General Lighting Loads

2.3.0   Calculating the4 Electric Service Load

2.3.1   Small Appliance Loads

2.3.2   Laundry Circuit

2.3.3   Lighting Demand Factors

2.3.4   Fixed Appliances

2.3.5   Other Loads

2.3.6   Required Service Size

2.4.0   Demand Factors

2.5.0   General Lighting and Receptacle Load Demand Factors

2.6.0   Appliance Loads

2.6.1   Small Appliance Loads

2.6.2   Laundry Circuit Load

2.6.3   Dryer Load

2.6.4   Range Load

2.6.5   Demand Factors for Electric Ranges

2.7.0   Demand Factors for Neutral Conductors

3.0.0   Sizing Residential Neutral Conductors

4.0.0   Sizing the Load Center

4.1.0   Ground Fault Circuit Interrupters

4.1.1   Single-Pole GFCI Circuit Breakers

4.1.2   Two-Pole GFCI Circuit Brekers

4.1.3   Direct-Wired GFCI Receptacles

4.2.0   Arc Fault Circuit Interrupters

5.0.0   Grounding

5.1.0   Grounding Electrodes

5.1.1   Grounding Electrode Installations

5.1.2   Grounding Electrode onductgors (GECs)

5.1.3   Installation of GECs

5.1.4   Methods of Connecting GECs

5.1.5   Sizing GECs

5.1.6   Air Terminals (Lightning Protetion)

5.2.0   Main Bonding Jumper

5.2.1   Bonding at the Service

5.2.2   Methods of Bonding at the Service

5.2.3   Bonding and Grounding Requirements for Other Systems

5.2.4   Bonding of Water Piping Systems

5.2.5   Bonding of Other Piping Systems

6.0.0   Installing the Service entrance

6.1.0   Service Drop Locations

6.2.0   Verticl Clearances of Service Drop

6.3.0   Service Drop (Overhead Service Conductor) Clearances for Building Openings

7.0.0   Panelboard Location

8.0.0   Wiring Methods

8.1.0   Cable Systems

8.1.1   Nonmetallic-Sheathed Cable

8.1.2   Metal-Clad Cable

8.1.3   Underground Feeder Cable

8.1.4   Service-Entrance Cable

8.2.0   Raceways

9.0.0   Equipment Grounding System

10.0.0  Branch Circuits and Feeders

10.1.0   Branch Circuits and Feeders

10.2.0   Locating Receptacle

10.3.0   Split-Wired Duplex Receptacles

10.4.0   Multiwire Brance Circuits

10.5.0   240-Volt Circuits

11.0.0  Branch Circuit Layout for Lighting

12.0.0  Outlet Boxes

12.1.0   Mounting Outlet Boxes

13.0.0  Wiring Devices

13.1.0   Receptacles

14.0.0  Lighting Control

14.1.0   Three-Way Switches

14.2.0   Four-Way Switches

14.3.0   Photoelectric Switches

14.4.0   Relays

14.5.0   Dimmers

14.6.0   Switch Locations

14.7.0   Low-Voltage Elecgtricl Systems

14.7.1   NEC Requiredments for Low-Voltage Systems

15.0.0  Electric Heating

16.0.0  Residential Swimming Pools, Spas, and Hot Tubs

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