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This class provides a foundational overview of electricity, including fundamental units and terminology. Electricity is the flow charged particles such as electrons. The number of valence electrons in an atom determines how well it allows electricity to flow. There are two types of electricity, alternating current and direct current, but both flow from negative to positive. The flow of electricity is measured by its amperage, voltage, resistance, and wattage. Ohm’s Law and Watt’s Law describe the relationships between these values in a circuit.
When working with electrical systems, knowing how electricity flows is critical for safety and efficiency. After taking this class, users should be familiar with the fundamentals of electricity and the vocabulary used to describe it. This enables users to build an understanding of more advanced electrical concepts.
This class provides a foundational overview of electrical circuits. Circuits consist of four main components: a source that supplies electricity, a load that turns electrical energy into work, a path that directs the flow of electricity, and a control that adjusts the flow of electricity. Most circuits also have safety components like fuses and circuit breakers. Visual representations of circuits, such as schematic diagrams, use symbols of components to illustrate the circuit’s layout. Circuits may be wired in series, parallel, or a combination of the two.
Understanding how circuits work is essential for operating and repairing electrical equipment. After taking this class, users will be familiar with the basic concepts of circuit design. These concepts serve as a basis for learning more complex electrical topics.
This class provides information on the contents, purpose, history, and applications of the National Electrical Code(R). The NEC is the essential standard on minimum safe electrical installations and is intended for use by experienced electrical technicians. While the NEC establishes safe practices for working with electrical systems, the Code is not the law unless it is adopted by local government. However, some form of the NEC is adopted as law in all 50 states.
Using and understanding the National Electrical Code is essential for anyone who works with electrical systems. After completing this course, users will be able to navigate the National Electric Code and understand its scope and function.
This class introduces the electrical variables of alternating current (AC). AC is the most common form of electricity and flows in cycles, which are represented as waves. The most common AC waveform is the sine wave. All AC waves have certain characteristics that describe how they flow. AC circuits require more complex calculations than direct current (DC) circuits because they must account for reactance, impedance, and the three different types of AC power.
Understanding the fundamental principles of AC is necessary in order to perform electrical work safely and without damaging systems. After taking this course, users will be familiar with AC cycles and waveforms, as well as the impact AC has on electrical variables.
This class describes the purpose of common electrical testing instruments. Electrical instruments are primarily used to determine if electricity is flowing properly and safely through devices and circuits. Commonly used devices include ammeters, ohmmeters, voltmeters, digital multimeters, and others used for specialized purposes. Most meters are digital, but analog instruments are also available. All electrical instruments are used to better understand the operating conditions of electrical equipment, find faults, and ensure equipment is safely de-energized before starting maintenance.
Knowledge of electrical instruments is important for anyone maintaining electrical equipment. Upon taking this course, students will be able to identify common measuring instruments and describe how to use them to measure electrical variables.
“The Forces of Fluid Power” presents a comprehensive overview of fluid power transmission systems. It offers a broad scope of information, from fluid characteristics and basic energy forms to force multiplication and the effect of fluid flow rate in a system. When pressurized, fluids are able to produce tremendous power with a minimal amount of effort. Maintaining constant fluid flow is essential for any system to work effectively. While the type of fluid in systems differ, the key components of all fluid systems and processes are similar. More importantly, the units of measurement are the same.
Without a full understanding of fluid power and the units used to measure key components of a fluid system, a fluid system may not have the proper pressure, volume, force, or fluid flow rate needed to maintain constant fluid flow. After taking the class, users will be able to better recognize how fluids systems function and explain the variables that affect them.
This class introduces learners to the concepts and principles of total productive maintenance (TPM). TPM combines aspects from lean manufacturing and quality initiatives to create a blended maintenance approach for both production and administrative areas. This class provides an overview of each key TPM pillar, including autonomous maintenance and safety, and relevant lean principles like Five S and kaizen.
Improved safety, longer machine life, and increased employee involvement are just a few benefits of a well-executed TPM strategy. After taking this course, users will be able to describe the key components of total productive maintenance and its role in continuous improvement.
This class provides an overview of the 5S method, including the role each step plays in creating an efficient work environment. Many companies implement quality initiatives such as 5S to promote organization and efficiency, as well as to reduce waste. This class discusses each of the five steps of 5S, potential challenges and advantages, and possible assessment tools. It also introduces the updated 6S and 7S methods.
After completing this class, learners will understand the role of each 5S step, as well as how to implement and evaluate 5S. This class will prepare employees who work in a facility planning to adopt the 5S methodology and will provide a basic understanding of how 5S can save time and money while working toward continuous improvement.
This class provides a comprehensive overview of various troubleshooting methods and tools. To find the root cause of a problem, troubleshooters must be able to distinguish deviations from problems early warning signs from warning signs, and symptoms from root causes. Troubleshooting teams gather data in order to find possible solutions. They use many tools to collect and interpret troubleshooting data, including check sheets, fishbone diagrams, Pareto charts, the 5 Why technique, brainstorming, and documentation. Teams must test solutions to make sure they offer long-term results.
Troubleshooting is an extremely important skill for all areas of industry. The information provided in this class prepares students to solve problems and understand how to work to prevent them in many different settings. This knowledge will help users to solve problems effectively and efficiently, reducing downtime and overall production and maintenance costs.
This class provides an overview of the different types of control devices used to determine when and how current flows in a circuit. Control devices open and close contacts to either stop current or allow it to flow. They can have manual, mechanical, or automatic inputs and operate either mechanically or electrically. Pushbuttons and selector switches have manual inputs, while limit switches have mechanical inputs. Many other devices have automatic inputs, including pressure, temperature, level, flow, and proximity switches.
After taking this class, users will understand the differences between various common control devices and how they function. This knowledge is necessary in order to select, operate, and troubleshoot control devices safely and effectively.
This class covers the effects of sound and noise on the body and how to protect oneself from related injuries. Occupational hearing loss is preventable through hearing conservation. The two main types of hearing loss are conductive hearing loss and sensorineural hearing loss. Excess noise, hereditary factors, certain drugs, or illnesses may cause hearing loss. When excessive noise is present, employees must be provided with hearing protection. Proper hearing protection will help ensure that ears can detect important and subtle sound changes.
After completing this course, users will learn various ways to protect their hearing and why preventative measures should be taken to avoid hearing damage. They will be able to describe OSHA regulations regarding noise levels and hearing conservation and the impact on daily workplace operations.
This class will inform employees of OSHA guidelines that reduce the risk of injury and death related to walking and working surfaces. Hazards exist when people or objects may fall from one level to another through various openings such as floor and wall openings and holes and the open sides of platforms and runways. All openings must be guarded by devices such as railings, covers, and toeboards. Standards regarding the construction, dimensions, and usage of stairs, ladders, scaffolding, and ladder stands are also set by OSHA.
After taking this course, users will be able to describe OSHA regulations covering safe practices for walking and working surfaces and how following those regulations impacts workplace safety.
This class provides an overview of the safety concerns and requirements associated with confined spaces. A confined space has limited means of entry or exit and is not designed for continuous occupancy. Confined spaces may pose safety hazards for employees. These hazards may include the material in the confined space, the activity carried out in it, and the external environment. The Occupational Safety and Health Administration (OSHA) requires a permit for entering any confined space with safety hazards.
After taking this class, users should be able to describe OSHA regulations and best practices for performing work safely in a confined space. These best practices include developing a written program for permit-required confined spaces and training and certifying all permit space entrants. Properly trained individuals will understand the use of personal protective equipment and other specialized safety precautions.
This class provides a thorough explanation of the English and metric measurement systems, the units they use, and how to convert measurements between units. Measurements that use base units include distance, mass, weight, and temperature. Measurements that use derived units include area, volume, and speed. Converting between metric and English units involves multiplying or dividing measurements by equivalent values. However, reference charts are often available to help make conversions.