Idaho Low Voltage Practice study materials
Idaho Low Voltage Practice study resources

Idaho Low Voltage Practice study plan

Idaho Low Voltage Practice · Give each week a clear focus.

8 weeks · About 6 hours per week

Week 1

National Electrical Code (NEC) general requirements and definitions & Low voltage and communications circuits

  • Map the structure of NEC Chapter 1 and Article 100, then write a one-line definition in your own words for 25 terms that recur in low voltage work (e.g., accessible, guarded, plenum, concealed, listed, identified).

  • Distinguish Class 1, Class 2, and Class 3 circuits by their power and voltage limits and state which NEC article governs each, without looking at the book on the second pass.

  • Trace the Chapter 7 and Chapter 8 scope rules well enough to explain why communications circuits are treated separately from power wiring.

  • Build a personal index of 15 code sections you expect to look up repeatedly during the exam, with article and section numbers.

Your checkpoint

A 25-term definition sheet plus a 15-entry section index, self-quizzed to at least 80 percent accuracy.

Week 2

Low voltage and communications circuits & Wiring methods and materials

  • Separate the installation rules for communications cables from those for power-limited fire alarm and signaling cables, listing the permitted and prohibited uses of each cable type.

  • Identify the cable substitutions allowed between plenum, riser, and general-purpose communications cable, and state where each substitution is prohibited.

  • Describe separation requirements between communications and power conductors in raceways, boxes, and manholes, including the voltage threshold that triggers separation.

  • Explain how abandoned cable must be handled and where the rule appears.

Your checkpoint

A one-page cable-type and substitution matrix covering at least six cable designations, checked against the code text.

Week 3

Wiring methods and materials & Boxes, enclosures, and raceways

  • Compare the permitted uses, support intervals, and bend radii of EMT, IMC, rigid PVC, and flexible raceways for low voltage work.

  • Determine the correct box size for a stated conductor count and device fill using the box fill method, working three practice problems end to end.

  • State the rules for raceway fill percentage at over two conductors and calculate fill for a given conduit and conductor combination.

  • Identify the requirements for securing and supporting raceways and cables at boxes and terminations.

Your checkpoint

Three completed box fill and raceway fill calculations with each step shown, plus a raceway comparison table.

Week 4

Grounding and bonding & Overcurrent protection and conductor sizing

  • Define grounding, bonding, and the effective ground-fault current path, and explain why each matters for equipment safety.

  • Identify which systems and enclosures must be bonded for communications and low voltage installations, including intersystem bonding termination.

  • Size an equipment grounding conductor and a grounding electrode conductor from a given service or system rating using the applicable tables.

  • Apply the standard ampere ratings and the next-size-up rule to select overcurrent protection for a stated load.

  • Correct for ambient temperature and conductor count when selecting an ampacity from the tables.

Your checkpoint

A grounding and overcurrent worksheet with five problems solved and every table reference cited.

Week 5

Special occupancies and special equipment & Wiring methods and materials

  • List the classification criteria for hazardous locations by class, division, and zone, and state which wiring methods are permitted in each.

  • Explain the rules for wiring in plenums, ducts, and other environmental air spaces and how they affect cable and raceway selection.

  • Describe installation requirements for a specific special occupancy such as a health care facility or an assembly space, focusing on low voltage implications.

  • Identify the requirements that apply to temporary wiring and to equipment installed in wet or damp locations.

Your checkpoint

A hazardous location classification summary table with permitted wiring methods, plus a short written scenario analysis for one special occupancy.

Week 6

Idaho electrical contractor and license law

  • Outline the Idaho licensing structure for electrical contractors, journeymen, and low voltage practitioners, noting which license types may perform which scope of work.

  • State the continuing education, renewal, and insurance or bonding obligations that apply to an Idaho electrical contractor.

  • Explain the consequences of unlicensed contracting and the complaint or enforcement process in Idaho.

  • Locate the current Idaho statute and rules governing electrical licensing and note the exact citation for each requirement you study.

Your checkpoint

A two-page Idaho law summary organized by license type with a citation next to every requirement, verified against the current statute text.

Week 7

Safety, tools, and job-site practices & Electrical theory and calculations

  • Apply lockout and tagout, test-before-touch, and approach boundary concepts to a described job-site scenario and identify every unsafe act.

  • Select the correct personal protective equipment and test instrument category for a stated low voltage task.

  • Calculate voltage, current, resistance, and power in series and parallel circuits using Ohm's law and the power equation, solving five mixed problems.

  • Compute voltage drop for a given conductor size, length, and load, and state whether the result is acceptable.

Your checkpoint

A safety scenario critique plus five solved theory and voltage drop problems with units carried through.

Week 8

National Electrical Code (NEC) general requirements and definitions & Low voltage and communications circuits & Grounding and bonding & Overcurrent protection and conductor sizing

  • Take two full-length timed practice exams and record the domain of every missed question.

  • Re-study the two domains with the lowest practice scores until you can explain the governing rule without the book.

  • Re-drill the calculation types you missed most often, including box fill, ampacity correction, and grounding conductor sizing.

  • Review your Idaho law summary and confirm each citation is still current.

Your checkpoint

A scored log of both practice exams with a ranked list of weak areas and evidence that each was re-drilled.

Milestones

Week 2: Score at least 80 percent on a self-made 30-question quiz covering NEC definitions and low voltage cable rules.

Week 4: Complete the grounding and overcurrent worksheet with all five answers correct and every table reference cited.

Week 6: Recite the Idaho license types and their scopes from memory, then verify each against the current statute.

Week 8: Score at least 75 percent on both timed practice exams with no domain below 60 percent.