Electrical

Module ID 26102-26: Being an electrician can be a dangerous job. It is important to stay mindful of things that can cause harm and to follow basic safety rules. In this module, you will learn about the dangers of working with electricity. You will also learn about the types of personal protective equipment (PPE) used to keep people safe and the rules related to electrical safety. Finally, you will learn about the Occupational Safety and Health Administration (OSHA) lockout/tagout (LOTO) rule.

Module ID 26112-26: Electricity represents a powerful yet invisible hazard. As an electrician, you must depend on your test instruments to reliably verify the presence or absence of power. In addition, the performance and characteristics of an operating electrical system can only be determined by using reliable instruments. Many calculations rely on accurate measurements. This module introduces common electrical test instruments and how each type is used to safely measure electrical system characteristics.

Module ID 26113-26: Understanding electrical theory and the invisible forces at work is the next step in your journey toward becoming a skilled electrician. This module explains basic atomic theory and how electrical energy moves through conductors. You will also learn about measurable electrical characteristics and the related units of measure. As an electrician, all the work you do is related to the management and containment of electrical energy by creating safe paths between the power source and the point of consumption. The first step is understanding how electricity moves.

Module ID 26110-26: Have you ever seen a site plan? How about an electrical drawing? These are both construction documents. Approved construction plans include these documents as well as project specifications, such as floor plans, detail drawings, lighting plans, power riser diagrams, and schedules. These construction plans, along with the contractor’s bid, are legal documents. As a result, everyone working on a project must follow and maintain construction documents. This module describes how to read and interpret drawings used by electricians.

Module ID 26105-26: The NEC ® sets minimum standards for the safe installation of electrical wiring and equipment. In this module, you will learn the purpose and history of the NEC ®. You will also learn how to navigate the NEC ® to find specific installation requirements.

Module ID 26114-26: Electricians work with electrical boxes almost every day on every project. Electrical boxes are enclosures that hold or protect wiring, electrical connections, and devices like switches, outlets, and light fixtures. To safely and properly install a complete electrical system, you must know how to select, size, and install all types of electrical boxes. In this module, you will explore the application of different electrical boxes. You will also learn how to calculate the NEC® fill requirements for outlet boxes and size requirements for junction boxes.

Module ID 26108-26: Electrical wireways and raceways protect conductors, cables, and busbars. It is important to know how to choose the right material and install these systems properly. Improving installation skills requires knowledge and practice. In addition to describing the various raceway systems available, this module will explain how to select and install these systems based on NEC ® requirements.

Module ID 26115-26: Installing conduit of all types often requires many changes of direction, ranging from simple offsets at the point of termination to angular offsets and saddles at columns, beams, and similar obstructions. In most cases, conduit must be cut, reamed, and threaded prior to bending. This module provides training in the preparation and bending of conduit. Although the mathematical principles of bending apply to all types of benders, each type of bender has its own unique characteristics and capabilities. Training and practice will help you develop the necessary skills to master conduit fabrication using a variety of tools.

Module ID 26109-26: As an electrician, you may need to select the correct conductor or cable for a job. You may also need to pull the conductors or cables through conduit to their termination points. In this module, you will learn about common conductor and cable types, markings, and color codes. You will also learn about the electric current rating for conductors in various environments, and how to install conductors in conduit and raceways.

Module ID 26111-26: Faulty wiring in a home can cause long-term problems. To construct a reliable electrical system, it is important to understand the basic steps in planning and installing the system. Many systems and devices will rely on electrical power, and most require the wiring to be in place before the walls go up. In this module, you will learn how the electrical system in a dwelling comes together, as well as some of the relevant NEC ® requirements.

Module ID 26201-26: For safe and successful electrical installations, it’s important to have a sound understanding of both direct current (DC) and alternating current (AC) electrical principles. This module covers the difference between AC and DC,; how AC is generated,; the components of the AC waveform,; the effects of capacitance and inductance on AC circuits, and how to calculate power.

Module ID 26211-26: Relays are electromagnetic devices that are often used to provide low-voltage control over both low- and line-voltage loads. Since relays are not designed to handle a significant amount of current, control devices called contactors are used to make and break the electrical circuit serving high-current loads, such as motors and electric heaters. However, motor circuits often require motor overload protection to be incorporated into the controls. This module describes the operating principles of relays, contactors, and other common control devices. You will also learn basic troubleshooting techniques for these devices.

Module ID 26212-26: Electric lighting systems and fixtures provide illumination designed to maximize comfort and minimize eyestrain in many different settings. This module introduces the principles of human vision and the characteristics of light as a foundation to understanding how lighting systems are designed. A variety of luminair examples and lighting systems are introduced for both indoor and outdoor applications. Operating characteristics, installation requirements, lighting controls, and energy management system applications are also discussed in this module.

Module ID 26207-26: Cable trays are commonly used to support conductors and cables in heavy commercial and industrial applications. This module introduces various types of cable tray and their structural support systems. It also explains how to calculate structural loads imposed on a cable tray system to ensure their integrity, and how to calculate the allowable fill per the NEC®.

Module ID 26213-26: The electric motor is the workhorse of modern industry. Its applications are virtually unlimited in scope. Motors require compatible electrical circuits with features that support their unique operating characteristics. This module describes the construction and characteristics of various motors, enabling you to better understand their power and protection requirements. You will also practice the calculations required to size motor circuit conductors, overcurrent protection, and overload protection.

Module ID 26208-26: As a technician, you must fabricate connections and terminate wiring in the field to make repairs and complete electrical installations. These tasks include joining circuits and conductors together using a variety of wire connectors and splices. This module presents safe and effective methods used to create sound electrical connections that provide reliable power flow.

Module ID 26209-26: The grounding system is an important part of an alternating current (AC) electrical system. Its purpose is to protect people and equipment against the various electrical faults that can occur. This module presents the grounding and bonding requirements of the NEC®. It also explains how to size main and system bonding jumpers as well as the grounding electrode conductors (GECs) and equipment grounding conductors (EGCs) for various AC electrical systems.

Module ID 26214-26: All electrical circuits and their components are subject to destructive overcurrent conditions resulting from harsh environments, deterioration, destruction, or system overload. Overcurrent protective devices are essential to prevent costly fires, personal injury and damage to electrical system components like conductors, transformers, and motors. This module describes the operating principles of overcurrent protective devices and explains how they are applied in today’s electrical systems.

Module ID 26312-26: Calculations to determine the electrical load for branch and feeder circuits are a necessary part of every electrical system design process. The information is used to determine the size of the conductors and branch circuit overcurrent protective devices (OCPDs) needed in accordance with NEC® requirements. This module explains how residential branch and feeder circuit load calculations and conductor sizing are done, including extensive examples to practice them.

Module ID 26313-26: Transformers are used to increase or decrease voltage coming from a power source. The main components of a transformer are the primary winding, which is connected to the power source, and the secondary winding, which is connected to the load. Transformers can be constructed in a variety of configurations for different applications. This module introduces the characteristics of various types of transformers; provides information on selecting, sizing, installing, and maintaining them; and outlines the relevant NEC® requirements.

Module ID 26306-26: An electrical power system consists of several subsystems on both the utility (supply) side and the customer (user) side. This module discusses switchboards and switchgear, including their installation, grounding, and maintenance requirements. It also covers ground fault relay testing.

Module ID 26308-26: No matter the size or complexity, all commercial electrical services have the same purpose: to deliver sufficient electrical energy to support a productive and effective environment, in a safe manner. Your next task as an electrician may be to participate in the installation of a commercial electrical service. This module will introduce you to the components, installation considerations, and NEC® requirements related to commercial electrical services.

Module ID 26314-26: Motors play an essential role in commercial and industrial environments. There are many control schemes and devices that play a role in their operation, but the final control device for larger motors is most often a contactor or motor starter. This module introduces a variety of control devices and explains how they work together to control motors and other processes. Approaches to analyzing symptoms and troubleshooting control systems to quickly identify the source of a problem are also presented.

Module ID 26310-26: As an electrician, you may encounter limited-energy structured voice, data, and video cabling systems in various commercial applications. These structured cabling systems are divided into five subsystems, each with unique installation requirements. In this module, you will learn how to install, terminate and test each of these systems.

Module ID 26304-26: The NEC® outlines the requirements for electrical equipment and wiring in locations where fire or explosion hazards may exist due to flammable vapors and liquids, combustible dust, or similar materials. This module describes the classifications and NEC® requirements for power supplies in hazardous locations.

Module ID 26315-26: As an electrician, you may be required to wire solar photovoltaic (PV), wind turbine, fuel cell, electric vehicle (EV), or energy storage systems. This module gives an overview of these alternative energy systems and the regulations that govern them.

Module ID 26414-26: Using load calculations to size protective devices and conductors ensures that an electrical system can protect itself and users when the need arises. These calculations must be accurate and satisfy the NEC® requirements, which establishes the minimum standards. This module presents electrical load calculations used to size non-dwelling services, feeders, branch circuit conductors, and overcurrent protective devices. Some unique non-dwelling applications are also presented, including farms and marina shore-power systems.

Module ID 26403-26: In places of assembly, power systems provide critical functions during emergencies, including lighting for safe evacuation routes. This module explains the NEC® installation requirements for electric generators and storage batteries used in emergency situations.

Module ID 26402-26: In health care facilities, reliable electrical systems and adequate backup power are vital for the safety of patients. For this reason, the NEC® publishes strict requirements for these systems in addition to state and local codes. This module covers the requirements for the installation of electrical, alarm, and backup systems in health care facilities, including the requirements for life safety and critical circuits.

Module ID 26405-26: Fire alarms provide an essential service that protects both human life and property from the effects of fire. Fire alarms can be complex systems made up of many different technologies. Numerous codes make sure fire alarms operate as they are designed to. In this module, you will learn how fire alarm systems work, how they are installed, and the electrical codes related to them.

Module ID 26409-26: Electrical heat-tracing systems keep piping systems at or above a given temperature to prevent freezing and maintain the temperature. In cold climates, freeze protection is needed because the thermal insulation installed around pipes is not enough to prevent the process fluids from freezing. This module presents heat-tracing and freeze-protection systems, common applications, and installation requirements.

Module ID 26411-26: Electricians join or extend conductors by making splices and terminations. This module identifies types of medium-voltage cable and describes how to make various splices and terminations. It also covers medium-voltage cable testing.

Module ID 26415-26: As a journeyman, you need to use what you know about electrical theory, formulas, and NEC® requirements. This module reviews the main ideas you learned in your first two years as an apprentice electrician.

26416-26: As a journeyman, you will need to be able to apply your NEC® knowledge and calculate loads, conductor and overcurrent protective device (OCPD) sizing, voltage drop, and transformer configurations. This module summarizes the key concepts you learned as an apprentice electrician in the third and fourth years.

Electricidad, nivel dos (Electrical Level 2)