This hands-on course will consist of nine 3 hour lecture/lab sessions for a total of 27 hours. Topics include: Introduction to Programmable Logic Controllers (PLC), terminology, Variable Frequency Dives (VFD), program writing, and troubleshooting. By the end of this course, the student will be able to write, program and test multiple programs using the PLC, VFD, and other associated control devices. This course will consist of a series of nine 3 hour classes that will be offered through the Harford County Electrical Contractors Association and Harford Community College. 2.7 Continuing Education Units (CEU) and a certificate will be awarded upon completion. Due to lab and equipment constraints, class size is limited to 12 students. Pre-requisite: Basic Industrial Motor Control and print reading or Journeyman Electrician/Plant training electrical designation/experience. Senior adult and disabled retiree course fee waivers apply. Transcript available.
This course will enable students to learn the terminology, basic electrical skills, and the use of hand tools and electrical materials. Students will cover basic electrical theory and perform basic mathematical computations, learn layout for installation, repair of electrical fixtures, installation of fixtures, basic wiring, light fixtures, safety procedures, and more. Senior adult and disabled retiree course fee waivers apply. Transcript available.
This course provides an introduction to a variety of material-working processes that are common to the machining industry. Topics include safety, process-specific machining equipment, measurement devices, set-up and layout instruments, and common shop practices. Upon completion, students should be able to safely demonstrate basic machining operations, accurately measure components, and effectively use layout instruments. Senior adult and disabled retiree course fee waivers apply. Transcript available.
Learn about the physics of water; heat transfer; boiler types; construction classification and parts; boiler accessories; operation of boilers; feedwater treatment; safety features of controls, pumps, valves, and burners; fire safety devices and sprinkler systems; stream traps; basic refrigeration; and commercial air conditioning units. The successful completion of this DLLR-approved course will qualify the student to take the PSI examination to obtain a Fourth Grade stationary engineers license. This license permits the holder to take charge of any boiler plant from 30 to 99 horsepower in any building. Next, after two years, an applicant may apply to take the examination to obtain a Third Grade license. This license permits the holder to take charge of boilers from one to 299 horsepower. Text required. Senior adult and disabled retiree course fee waivers apply. Transcript available.
An introduction to arc welding machines and accessories, oxyacetylene cutting equipment, and types and uses of electrodes. Learn flat welds, types of joint design (butt, lap and T-joints), basic welding symbols, and safety practices. Safety equipment and metal supplied during class time. Class size is limited to 7 students due to equipment constraints. Senior adult and disabled retiree course fee waivers apply. Transcript available.
This course covers the basic concepts needed to understand the operation and programming techniques common to most Programmable Logic Controllers (PLC). An overview of Programmable Logic Controllers and the different number systems are covered. Topics include various number systems, programming fundamentals, timers, counters, sensors and their wiring, input/output modules and wiring, arithmetic instructions, and an overview of plant floor communications. Senior adult and disabled retiree course fee waivers apply. Transcript available.
This course covers the basic principles of blueprint reading and sketching. Topics include multi-view drawings; interpretation of conventional lines; and dimensions, notes, and thread notations. Upon completion, students should be able to interpret basic drawings, visualize parts, and make pictorial sketches. Senior adult and disabled retiree course fee waivers apply. Transcript available.