Standard |
ELT 121 - Residential Wiring II
Provides additional instruction on wiring practices in accordance with National Electrical Code. Topics include: hand and power tools, branch circuits/feeders, residential single family load calculations, residential multifamily service calculations and installations, and equipment installations.
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Competency Areas |
Hours
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Hand and Power Tools |
Class |
3 |
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Branch Circuits/Feeders |
D. Lab |
0 |
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Residential Single Family Load Calculations |
P. Lab/O.B.I. |
6 |
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Residential Multifamily Service Calculations and Installations |
Credit |
5 |
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Equipment Installations |
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Prerequisite/ Corequisite: |
ELT 120 |
Course Guide |
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Competency |
After completing this
section, the student will: |
Hours |
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Class |
D. Lab |
P. Lab/ O.B.I. |
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HAND AND POWER TOOLS |
3 |
0 |
10 |
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Identification |
Identify hand tools and specialty tools used in electrical construction. |
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Function |
Determine the function of hand tools. |
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Maintenance |
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Use |
Identify procedures in using power tools and equipment. |
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Demonstrate ability to use power tools and equipment safely and properly. |
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BRANCH CIRCUITS/FEEDERS |
4 |
0 |
10 |
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Main breakers |
Select main breakers. |
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Branch circuit breakers |
Select branch circuit breakers. |
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Installation |
Install service breaker and/or circuit interrupter equipment. |
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RESIDENTIAL SINGLE FAMILY LOAD CALCULATIONS |
3 |
0 |
10 |
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Overload protection |
Determine overload protection for main circuit-load calculations. |
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Determine overload protection for branch circuits and 230-volt drops. |
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RESIDENTIAL MULTIFAMILY SERVICE CALCULATIONS AND
INSTALLATIONS |
5 |
0 |
10 |
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Service entrances |
Identify service entrances for multifamily residences. |
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Service panel installation |
Install service panels for multifamily residences. |
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Main and circuit breakers |
Calculate, select, and install main and circuit breakers which conform to maximum load requirements. |
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Overload protection |
Determine overload protection for branch circuits and 230-volt drops. |
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NEC requirements |
Determine the size of service entrance. |
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Comply with the NEC on service installations. |
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Comply with the NEC on grounding requirements in multifamily units. |
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Device boxes |
Determine height, depth, and location of device boxes. |
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Install device boxes. |
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Blueprints |
Locate fixtures on a blueprint. |
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EQUIPMENT INSTALLATIONS
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15 |
0 |
20 |
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Heating/cooling units |
Connect/install baseboard, wall, and window units. |
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Connect central electric heat/heat pump/air conditioning. |
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Connect furnace motor. |
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Connect installed gas-or oil-fired heating unit motor. |
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Connect line voltage thermostat. |
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Connect low voltage thermostat. |
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Install/connect fan controlled by a switch. |
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Lighting |
Connect/install flood lights. |
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Connect/install lighting dimmer. |
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Connect/install heat-a-vent light. |
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Connect/install light fixture. |
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Connect/install photoelectric control on a light. |
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Control device configurations |
Connect/install post lights. |
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Connect/install power failure lighting. |
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Connect/install moisture resistant fixtures. |
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Connect/install pilot light to show when appliance is on. |
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Low voltage |
Connect door chime system. |
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Connect intercom system. |
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Connect low-voltage lighting control. |
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Receptacles and switches |
Connect/install duplex receptacle outlets. |
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Connect/install GFI device. |
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Connect moisture resistant receptacle. |
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Connect/install photoelectric cell control. |
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Connect/install single pole switch. |
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Connect/install single pole switch with pilot light. |
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Connect split circuit duplex receptacle. |
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Connect/install residential delayed action or time switch. |
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Connect/install 3-way switches. |
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Connect/install 4-way switches. |
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Fixtures |
Connect recessed fixture box in ceilings. Make fixture splices. |
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Special-purpose circuits |
Connect/install automatic garage door operators. |
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Connect/install electric fence chargers. |
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Connect/install 4-wire, 220-volt receptacles. |
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Install wiring and connect hot water heaters. |
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Connect/install humidity control devices. |
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Discuss swimming pool considerations (workmanship, safety, and trim-out). |
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Raceways |
Install surface raceways. |
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Suggested Resources |
Baitch, T. (1984). Electrical technology. New York: John
Wiley & Sons.
Court, M. (1988). Lab manual for first course in electrical
technology. New York: John Wiley & Sons.
Hawkins, H. M. (1983).
Residential wiring: Concepts and
practices. North Scituate, MA: Brenton.
Holzman, H. N. (1986).
Modern residential wiring. South
Holland, IL: Goodheart-Willcox.
Hughes, E. (1987). Electrical technology (6th ed.). New
York: John Wiley & Sons.
Koukoulis, C. C.,
& Vohout, L. J. (1987). Cambridge, MA: Abacus.
Schram, P. J., &
Murray, R. H. (1987). The national
electrical code (4th ed.). Quincy, MA: National Fire Protection
Association.