Free OK Electrician Exam Prep

Permits and inspections, preservation of structural integrity, and needs analysis and estimating

Voltage/current/resistance in series, parallel and combination circuits, power used and lost, AC and three-phase theory, cost of power, troubleshooting and test systems, NEC codebook use and definitions, temporary wiring, cranes and hoists, elevators and escalators

Approved methods of installing electrical equipment, including equipment operating in excess of 600 volts

Services, voltage drop, services over 600 volts, feeders, outside branch circuits and feeders, branch circuits, space-heating/snow-melting/pipe-heating circuits, and air-conditioning and refrigeration equipment

NEC overcurrent protection requirements, including standard device ratings, conductor protection, and tap rules

General grounding requirements and required sizes of grounding electrode conductors and equipment grounding conductors

Underground conductors, vertical installations, conductor selection, and cable types AC, MC, NM/NMC/NMS, SE/USE, UF, MI, FC/FCC, and MV

General raceway and box requirements, pull boxes, conduit fittings, RMC/EMT/IMC/RNC/FMC/LFMC/FMT/HDPE/NUCC/LFNC, conduit fill, box volume and fill, wireways, gutters, busways, surface and underfloor raceways, and cable trays

Class I, II and III hazardous locations, commercial garages and fuel dispensing, bulk storage and spray areas, health care facilities and places of assembly, mobile homes and RV parks, floating buildings, and swimming pools, fountains and hot tubs

Remote-control and signaling circuits, communications circuits, equipment operating at 50 volts or less, fiber optics, photovoltaics, fire alarms, and emergency system circuit wiring

Luminaire installation, grounding and wiring, fluorescent and recessed fixtures, fixture construction requirements, lighting systems operating at less than 30 volts, and neon lighting and electric signs

Job site sanitation, personal protective equipment, excavation safety, emergency action plans, safety training, ventilation, first aid, signs/signals/barricades, tools, ladders, illumination, scaffolds, toxic materials, cleanup, SDS, material handling, and fall protection

Motors used in dwellings, motor branch circuits in industrial and commercial locations, feeder transformers, and use of transformers