Ridley-Lowell Business & Technical Institute


EL122: Conductors And Wiring Devices



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EL122: Conductors And Wiring Devices


90 Hours

Prerequisite: EL100-102


This course focuses on conductors of electricity. Students learn how to select and install an appropriate conductor and to identify conductors based on color coding. Wiring devices are introduced, and students become familiar with wire sizes, how to use wire tables, and how to calculate wire resistance. This course continues the focus on conductors of electricity, wiring devices, and the NEC code requirements for one-family dwellings, services, and electrical equipment. Students apply their knowledge in 3-way switch, split receptacle, and low voltage wiring projects. Students become familiar with special purpose outlets for the bathroom, branch-circuits, and lighting branch-circuits for the workshop and garage. They also learn about NEC comprehensive, specific, and general provisions for multi-family dwellings. Students apply their knowledge in reading commercial building drawings.

EL125: National Electrical Code (Commercial)


30 Hours

Prerequisite: EL100-102


Study of the National Electrical Code in this course focuses on commercial locations, including cooling systems, special occupancies, hazardous locations, health care, industrial locations, and special equipment. Students apply concepts and NEC code requirements to commercial building drawings and locations.


EL128 Internship


120 Hours

Prerequisite: EL100-125


This internship provides practical hands on work experience in an electrical setting. Students will be required to participate in a 120 hour internship at various facilities where they will work in an electrical capacity under the supervision of an electrical supervisor.

ES101 Orientation 4 Clock Hours Prerequisite: None


4 Hours

Prerequisite: None


Students will learn about the history and career opportunities in the esthetics field. Important skills required in the profession will also be covered including time management, professional standards, conduct, and communication.
ES102 Bacteriology 8 Clock Hours

8 Hours


Prerequisite: None
The student will understand the federal and state regulatory bodies for safety and health, laws and rules, and the differences between them. An introduction to the principles of infection are also covered including infection control, bacteria, viruses, bloodborne pathogens, fungi, parasites, and immunity.

ES103 Safety & Health 18 Clock Hours

18 Hours


Prerequisite: None
The student will learn the principles of prevention including decontamination methods, disinfectant safety, and disinfecting tools and implements. This course will also cover proper care of work surfaces, supplies, types of cleaners, and hand washing. Students will gain knowledge in professional responsibility including how to handle emergencies, incidents, and application of first aid in accordance with OSHA standards.

ES104 Anatomy, Physiology & Nutrition


25 Hours

Prerequisite: None


The student will begin to learn a detailed analysis of how the body systems work beginning with the cells, blood, lymph, bones, muscles, and organs that connect our life system. The student will study nutrition and its ability to promote growth with nourishment as it assimilates through the digestive system, as well as how the food groups offer balanced diets to promote health in our body.
ES105 Structure & Function Of The Skin

12 Clock Hours

Prerequisite: None
Encasing our internal structure, the outermost skin is also known as the integumentary system, which defends the body against microbial attack, regulates heat, and is constantly, growing outward from within the body. In this course, students will observe and identify the Fitzpatrick scale, skin layers, skin disorders, and diseases of the skin. The student will also learn the esthetician’s role to offer procedures that accelerate growth of the skin to aid in the prevention of the aging process and from environmental factors, as well as addressing the individual concerns of each client.

ES106 Superfluous Hair 24 Clock Hours


24 Hours

Prerequisite: ES101-105


The student will learn the phases of hair growth, how to apply soft and hard wax to remove hair, and also how to maintain the integrity of the skin for the client’s comfort. The student will observe as the instructor demonstrates: tweezing and eyebrow shaping and full body waxes. The student will then apply these procedures.


ES107 Chemistry 3 Clock Hours


3 Hours

Prerequisite: None


The student will learn the basic structure of chemistry and matter as related to esthetics. The instructor will discuss chemical reactions and solutions, elements, compounds, mixtures, and biochemistry, and the pH scale as relevant to the equilibrium of the skin.

ES108 Chemistry Applied To Cosmetics


21 Clock Hours

Prerequisite: ES107


The student will learn the precautions of variable skin conditions and how they react with specific products; how to define the classifications of specific ingredients from product contents; how to break down ingredients onto a material safety sheet template; how to differentiate cosmetic and cosmeceutical products in review of the pH; and the governing agencies and their policies.








ES109 Electricity And Machines


40 Clock Hours

Prerequisite: None


The student will receive an overview of the basic knowledge of terms that produce electrical currents. The instructor will discuss the pH scale for product penetration by means of electrical application. The instructor will also demonstrate procedures and safety of the machines in relation to electricity and how the skin responds. The student will learn electricity with machines and how the skin reacts to electrical stimulation.



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