Electrical Academy Union Apprentice 4

Course Description

Electrical Academy Union Apprentice 4 is designed for electrical union apprenticeship students to develop competencies in resistors, inductors, capacitors, transformers, and vectors.

Within the SCNS taxonomy, BCA is the Building Construction Apprenticeship prefix, and the 0000-level number marks this as PSAV clock-hour instruction. Daytona State publishes it at 99 clock hours, offered Fall, as level 4 of the union electrical apprenticeship. ⚠ It carries no college credit.

This is the term where the mathematics becomes genuinely demanding, and it is where apprentices most often struggle. Direct current behaves intuitively; alternating current does not. Inductors and capacitors store and return energy, which makes current and voltage fall out of step with each other — and representing that relationship is why vectors appear here.

The effort is worth making properly rather than scraping through. Power factor, transformer behaviour, motor performance, and much of the troubleshooting you will do for the next thirty years all rest on understanding what is taught in this term.

Learning Outcomes

Required Outcomes

• Describe resistance in alternating current circuits.
• Describe inductance and the behaviour of an inductor in a circuit.
• Calculate inductive reactance and describe its frequency dependence.
• Describe capacitance and the behaviour of a capacitor in a circuit.
• Calculate capacitive reactance and describe its frequency dependence.
• Describe the phase relationship between voltage and current in inductive circuits.
• Describe the phase relationship between voltage and current in capacitive circuits.
• Represent alternating current quantities as vectors.
• Perform vector addition and resolve components.
• Construct and interpret phasor diagrams.
• Calculate impedance in series RL, RC, and RLC circuits.
• Calculate impedance in parallel alternating current circuits.
• Calculate current, voltage, and phase angle in reactive circuits.
• Describe resonance and its conditions.
• Describe true power, reactive power, and apparent power.
• Calculate power factor and describe its practical significance.
• Describe power factor correction and the role of capacitors.
• Describe transformer construction and operating principle.
• Calculate transformer turns, voltage, and current ratios.
• Describe transformer losses and efficiency.
• Describe transformer polarity and its importance.
• Describe single-phase transformer connections.
• Use test instruments to measure alternating current quantities.
• Apply safety practice when working with capacitive and inductive equipment.

Optional Outcomes

• Describe three-phase transformer connections.
• Describe harmonics and their effects.
• Describe filters and tuned circuits.
• Describe instrument transformers.
• Describe motor equivalent circuits.
• Prepare for level 5 alternating current applications.

Major Topics

Required Topics

• Resistance in AC circuits
• Inductance and inductor behaviour
• Inductive reactance
• Capacitance and capacitor behaviour
• Capacitive reactance
• Phase relationships in inductive circuits
• Phase relationships in capacitive circuits
• Vector representation
• Vector addition and components
• Phasor diagrams
• Series impedance
• Parallel impedance
• Current, voltage, and phase angle
• Resonance
• True, reactive, and apparent power
• Power factor
• Power factor correction
• Transformer construction and principle
• Transformer ratios
• Transformer losses and efficiency
• Transformer polarity
• Single-phase connections
• AC measurement
• Capacitive and inductive safety

Optional Topics

• Three-phase transformer connections
• Harmonics
• Filters and tuned circuits
• Instrument transformers
• Motor equivalent circuits
• Preparation for AC applications

Resources & Tools

• Your NEC code book — the correct adopted edition, tabbed and used constantly. The single most important object in this trade, and worth buying your own rather than borrowing.
• NFPA (nfpa.org) — publisher of the NEC and NFPA 70E; free read-only online access to codes is available, which is genuinely useful for study.
• NFPA 70E — the electrical safety standard covering arc flash, boundaries, and personal protective equipment; know it before you work energised.
• Ugly's Electrical References — the pocket reference every electrician carries; formulas, tables, and conduit bending in one small book.
• American Electricians' Handbook and Electrical Wiring Industrial/Commercial — the standard shelf references.
• NJATC / electrical training ALLIANCE materials — the curriculum used by union apprenticeship programmes nationally.
• Mike Holt Enterprises (mikeholt.com) — widely used NEC training, exam preparation, and a substantial free video library; the most popular self-study resource in the trade.
• Florida Building Code (floridabuilding.org) — free; shows how the NEC is adopted and amended in Florida.
• Florida DBPR (myfloridalicense.com) — free; the authority on electrical contractor licensing.
• OSHA construction standards (osha.gov) — free; subpart K covers electrical, and OSHA 10 or 30 cards are commonly required on site.
• A good multimeter and a non-contact tester you trust — buy quality; a meter that lies to you is worse than no meter.
• Your journeyman and your foreman — the most valuable resource in an apprenticeship. Ask questions, take correction, and watch how experienced hands actually do the work.

Career Pathways

• Electrician — SOC 47-2111; consistently among the largest and best-paid skilled trades.
• Journeyman electrician — the credential this apprenticeship produces, and the basis of everything after it.
• Commercial and industrial electrical construction — the core of union electrical work.
• Residential electrical — new construction, renovation, and service work.
• Maintenance electrician in manufacturing, hospitals, hotels, theme parks, and government facilities — salaried with benefits, and a very large Florida sector.
• Motor controls, instrumentation, and industrial automation — a technical, well-paid speciality.
• Low-voltage, fire alarm, security, and structured cabling — separate licence categories with their own demand.
• Solar photovoltaic installation — a growing Florida sector, and the reason photovoltaic content appears in the later courses.
• Utility and line work — SOC 49-9051; separate training, higher risk, and higher pay.
• Foreman, general foreman, and superintendent — the site progression from the tools.
• Estimator, project manager, or electrical inspector — routes off the tools that use the same knowledge.
• Electrical contracting — ⚠ a state-licensed activity requiring documented experience; see the licensing note.
• Instruction — teaching in an apprenticeship programme after journeyman experience.

Special Information

⚠⚠ This is the term apprentices fail — get help early

• Reactance, impedance, and phase angle defeat more apprentices than any other content in the programme. That is not a reflection on ability; it is genuinely abstract material studied in the evening after a full day of physical work.
• Ask for help in week two, not week ten. The material is cumulative — falling behind on reactance makes impedance impossible, and impedance makes power factor impossible.
• Draw the phasor diagram every time. Vectors make the relationships visible in a way the formulas do not, and students who draw them understand while students who only calculate do not.
• Understand what is physically happening. An inductor opposes a change in current and a capacitor opposes a change in voltage — every formula in this term follows from those two facts.
• Do the problems by hand before using a calculator's complex number functions. The calculator produces answers; doing it manually produces understanding.
• Power factor is not academic. Utilities charge for poor power factor, and correcting it is real work you will be paid to do.
• ⚠ Capacitors hold a lethal charge after disconnection. Discharge them properly before touching terminals — this is theory with an immediate physical consequence.
• Form a study group. Apprentices who work through problems together have markedly better completion rates.

The Daytona State union electrical apprenticeship classroom sequence

Daytona State publishes these as a numbered sequence, each at 99 clock hours. The course number maps to the apprenticeship level by a consistent offset — BCA033n is level n+1:

⚠ Daytona State's catalog titles BCA0332 "Electrical Academy Union Apprentice 2", duplicating BCA0331's title. Two independent pieces of evidence indicate it is level 3: the offset above holds for every other course in the series, and the paired laboratory BCA0332L is titled "Apprentice 3 Lab-OJT". Confirm with the programme before relying on either title.

Each classroom course has a paired Lab-OJT course carrying the on-the-job training hours — BCA0330L, BCA0331L and so on. Both are required, and the OJT component is far larger: BCA0330L alone is published at 679.8 clock hours.

⚠⚠ How a registered apprenticeship actually works — and why it is unusual

• You are a paid employee first and a student second. Apprentices work full time for a contractor and attend classroom instruction alongside it — typically evenings. You earn while you learn, and you finish without student debt.
• The pay rises on a schedule as you progress. Apprentice wages are set as a percentage of the journeyman rate and step up at defined intervals, so advancement is directly financial.
• Two components are required and both are mandatory — related classroom instruction (these numbered courses) and on-the-job training hours (the paired Lab-OJT courses). Neither substitutes for the other, and falling short on OJT hours delays completion even with perfect grades.
• Registered apprenticeships are formally recognised through the Florida Department of Education and the U.S. Department of Labor, and the completion certificate is portable across states in a way that a local certificate is not.
• ⚠ Programmes are sponsor-run and admission is competitive. The sponsor — a joint labour-management committee, a contractor association, or an employer — controls entry, and there are typically far more applicants than places.
• Entry requirements commonly include being 18 or over, a high school diploma or equivalent, an algebra credit, a valid driver's licence, physical capability, and passing an aptitude test and interview. Drug testing is standard.
• The commitment is four to five years. That is long, and the people who complete are not necessarily the most talented — they are the ones who kept showing up to class after a full day on site.
• You can be released from the programme for attendance, grades, safety violations, or loss of employment — and the standards are enforced.
• Apply to more than one sponsor if this is the pathway you want, and reapply if you are not selected the first time. Persistence is normal and expected.

⚠⚠ The National Electrical Code is the book you will use for your whole career

• The NEC (NFPA 70) is the standard governing electrical installation in the United States, and in Florida it is adopted into the Florida Building Code, with state amendments — so the code that applies here is the NEC as Florida has adopted it, not the NEC alone.
• ⚠ It is revised on a three-year cycle, and jurisdictions adopt editions at different times. The edition in force where you are working is the one that governs — always confirm which edition the inspector is applying, because it is frequently not the newest.
• Learn to navigate it, not memorise it. Nobody memorises the NEC. The professional skill is finding the applicable article quickly and reading it precisely — and that is what journeyman examinations actually test.
• Understand its structure — the chapter organisation, how Chapters 1 to 4 apply generally and Chapters 5 to 7 modify them for special occupancies and conditions, and how the tables and annexes work.
• Tab your code book and use it constantly. A well-worn, tabbed book is the mark of someone who actually uses it, and examinations are typically open-book under time pressure — speed of lookup is the skill being assessed.
• Read the exact words. "Shall" and "shall be permitted" mean different things, and exceptions and informational notes carry different weight.
• Local amendments and the inspector matter. Counties and municipalities amend, and a correct-by-the-book installation can still fail inspection under a local requirement.
• ⚠ Rule 11 applies. Code editions, Florida amendments, and local requirements all change — verify the current adopted edition rather than relying on any course guide.

⚠⚠ Arc flash and shock — this trade's two ways of killing you

• Electricity is the hazard that gives no second chance, and complacency after a few uneventful years is what precedes most serious incidents.
• ⚠⚠ Arc flash is not shock, and it is the one people underestimate. An arcing fault produces an explosion — temperatures several times hotter than the surface of the sun, a pressure blast that throws people across rooms, molten metal, and sound loud enough to cause permanent hearing damage. It burns through ordinary clothing instantly, and synthetic fabric melts into skin.
• Arc-rated clothing is not optional when working on or near energised equipment, and cotton is not arc-rated. NFPA 70E governs electrical safety in the workplace and defines the boundaries, the risk assessment, and the required protection.
• De-energise wherever it is possible. Working energised requires justification, a written procedure, and permission — convenience and schedule pressure are not justifications, and that pressure is exactly when incidents happen.
• Lock out, tag out, and verify. Test the meter on a known live source, test the conductor, then test the meter again — a failed meter that reads zero has killed people.
• Your own lock, your own key. Never remove another person's lock, and never let someone else remove yours.
• Treat every conductor as live until you have proved otherwise yourself. Someone else's word is not verification.
• One hand where practical, so a current path cannot cross your chest, and stand on a dry insulated surface.
• Know the incident energy and the boundaries for the equipment you are working on, and read the arc flash label.
• Falls kill more construction workers than anything else. Ladders, scaffolds, lifts, and open holes — and electricians spend a great deal of time at height.
• Trenching and confined spaces have their own permit requirements and they are not paperwork.
• ⚠ Florida heat is a real hazard. Attics, unconditioned buildings, and outdoor work in summer — confusion in the heat is an emergency, not tiredness, and the person affected is usually the last to notice.

⚠⚠ Florida electrical licensing — journeyman is county-level, contracting is state-level

• This distinction catches people, and it matters for planning a career.
• ⚠ Journeyman electrician licensing in Florida is generally handled at county or municipal level, not by the state — requirements, examinations, and reciprocity vary between jurisdictions, and a journeyman card from one county may not be recognised in the next. Check the requirements where you intend to work.
• Electrical contracting is licensed by the state under Chapter 489, Part II, Florida Statutes, through the Department of Business and Professional Regulation and the Electrical Contractors' Licensing Board.
• You may work as an electrician for a licensed contractor without holding a contractor licence yourself. That is how essentially everyone works, and completing this apprenticeship prepares you for it.
• Contracting on your own account without the required licence is unlicensed contracting, an offence with escalating penalties.
• Certified versus registered contractor licences differ in where you may work — statewide against specific local jurisdictions — and the requirements differ accordingly.
• Contractor licensure requires documented experience, examination, financial responsibility evidence, and insurance, with experience measured in years. The realistic sequence is apprenticeship, then journeyman, then contractor — not apprenticeship then business.
• Alarm and specialty electrical licences are separate categories with their own scopes.
• ⚠ Rule 11 applies. Licence categories, experience requirements, and county rules change — verify with DBPR and with the county where you will work before making a career or business decision.

⚠⚠ This is a PSAV clock-hour apprenticeship course — it carries no college credit

• The leading zero in the course number is the signal. Under the Florida Statewide Course Numbering System, a 0000-level number denotes postsecondary adult vocational (PSAV) instruction, measured in clock hours rather than semester credit hours. These courses carry zero college credit.
• ⚠ A catalog may display the clock-hour figure under a heading that reads "credit hours." It is not credits — a 0000-level course showing 99 is 99 hours of instruction.
• PSAV hours do not transfer as college credit to an associate or bachelor's degree, and they do not satisfy general education requirements.
• What this programme produces is a journeyman electrician — a nationally portable, well-paid skilled trade credential earned while working and being paid. For most apprentices that is the entire point, and it is reached without student debt.
• Some institutions offer articulation from apprenticeship completion into a related associate degree, and construction management degrees sometimes accept it. ⚠ These arrangements are institution-specific and they change — get it in writing before assuming.
• Financial aid rules differ for clock-hour programmes, though apprenticeship tuition is frequently paid or heavily subsidised by the sponsor. Ask the programme what you will actually pay.
• Attendance is tracked directly and is normally a condition of remaining in the apprenticeship.

BCA0333 is 99 clock hours, offered Fall at Daytona State, and is level 4 of the union electrical apprenticeship. ⚠ Clock hours carry no college credit.

The paired on-the-job training course is BCA0333L, and both are required — classroom instruction and OJT hours are separate obligations and neither substitutes for the other.