{"product_id":"iowa-disconnecting-reconnecting-air-conditioning-refrigeration-systems-contractor-highlighted-and-tabbed-book-package","title":"Iowa Disconnecting \u0026 Reconnecting Air Conditioning Refrigeration Systems Contractor - Highlighted and Tabbed Book Package","description":"\u003ch1 style=\"color: #d32f2f;\"\u003eIowa Disconnecting \u0026amp; Reconnecting Air Conditioning Refrigeration Systems Contractor - Highlighted and Tabbed Book Package\u003c\/h1\u003e\n\n\u003cp\u003ePrepare for the \u003cstrong\u003eIowa Disconnecting \u0026amp; Reconnecting Existing Air Conditioning and Refrigeration Systems Examination\u003c\/strong\u003e with a focused highlighted and tabbed book package built around the electrical code requirements that apply when servicing existing HVAC and refrigeration equipment.\u003c\/p\u003e\n\n\u003cp\u003eThis package includes the \u003cstrong\u003eNational Electrical Code Handbook, 2023\u003c\/strong\u003e and \u003cstrong\u003eUgly's Electrical References\u003c\/strong\u003e. Together, these resources support preparation involving equipment disconnecting means, branch circuits, conductor sizing, overcurrent protection, grounding and bonding, motors, controllers, wiring methods, equipment nameplates, working clearances, flexible connections, and other electrical requirements associated with air-conditioning and refrigeration equipment.\u003c\/p\u003e\n\n\u003cp\u003eThe Iowa credential is issued as a specialty endorsement on the state's \u003cstrong\u003eSpecial Electrician license\u003c\/strong\u003e. The endorsement is officially identified as \u003cstrong\u003eDisconnecting and Reconnecting Existing Air Conditioning and Refrigeration Systems\u003c\/strong\u003e. Iowa allows applicants to qualify for this endorsement either through an approved supervised examination or through qualifying documented experience.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003e2023 National Electrical Code Handbook is highlighted and permanently tabbed\u003c\/strong\u003e to support faster code navigation during preparation and during the open-book examination. Candidates preparing for a specialized electrical exam should become comfortable moving quickly between general wiring requirements and the NEC provisions that specifically address air-conditioning, refrigeration, motors, controllers, disconnects, branch circuits, and equipment protection.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePlease allow up to 15 business days for tabbed and highlighted book package orders.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eUgly's Electrical References is included as a practical study tool for formulas, conductor information, voltage drop, motor data, grounding, conversions, and other commonly used electrical information. Candidates can use it alongside the NEC Handbook during preparation to strengthen both code knowledge and calculation skills.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWhat You Get\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNational Electrical Code Handbook, 2023 – Highlighted and Tabbed\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe primary electrical code reference in this package, prepared with highlighting and permanent tabs to support faster navigation of NEC requirements involving air-conditioning and refrigeration equipment, conductors, protection, motors, disconnects, grounding, and wiring methods.\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUgly's Electrical References\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA compact electrical study reference covering formulas, conductor information, voltage drop, grounding, motors, transformers, conversions, wiring information, and practical electrical calculations.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePlease allow up to 15 business days for tabbed and highlighted book package orders.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eExam Details\u003c\/h2\u003e\n\n\u003cp\u003eThe Iowa Disconnecting \u0026amp; Reconnecting Existing Air Conditioning and Refrigeration Systems examination is administered through \u003cstrong\u003ePSI\u003c\/strong\u003e for the Iowa Electrical Examining Board.\u003c\/p\u003e\n\n\u003cp\u003eThe current examination provides \u003cstrong\u003e120 minutes\u003c\/strong\u003e for testing. Candidates using the examination pathway must achieve the passing standard established for Iowa electrical licensing examinations.\u003c\/p\u003e\n\n\u003cp\u003eThe examination is focused on the electrical knowledge needed to safely disconnect and reconnect existing air-conditioning and refrigeration equipment. Preparation should include electrical code requirements associated with:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\u003cstrong\u003eDisconnecting means and equipment isolation\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eBranch-circuit conductors and equipment supply wiring\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eOvercurrent protection\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eGrounding and bonding\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eMotors, compressors, and controllers\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eAir-conditioning and refrigeration equipment\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eEquipment nameplate ratings\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eWiring methods, raceways, cables, boxes, and fittings\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eFlexible equipment connections\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eWorking space and equipment accessibility\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eElectrical calculations and conductor sizing\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eSafe reconnection of existing equipment\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe examination is specialized. It is not the same as Iowa's Journeyman Electrician, Master Electrician, Residential Electrician, or Residential Master Electrician examinations. Candidates should focus preparation on the limited electrical scope associated with servicing existing air-conditioning and refrigeration systems.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eOpen Book Test\u003c\/h2\u003e\n\n\u003cp\u003eThe Iowa Disconnecting \u0026amp; Reconnecting Air Conditioning and Refrigeration Systems examination is an \u003cstrong\u003eopen book test\u003c\/strong\u003e using approved reference materials.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003e2023 National Electrical Code Handbook\u003c\/strong\u003e is the central code reference included in this package. Preparing with a highlighted and tabbed copy can help candidates build a consistent method for locating frequently used NEC provisions during timed practice.\u003c\/p\u003e\n\n\u003cp\u003eOpen-book testing still requires strong preparation. A candidate who has never practiced finding motor, disconnect, grounding, or air-conditioning requirements can lose significant time searching the index. Study should therefore include repeated reference-navigation exercises.\u003c\/p\u003e\n\n\u003cp\u003eFor example, a question involving an outdoor condensing unit may require the candidate to determine the correct disconnecting means, conductor ampacity, branch-circuit protection, grounding method, or equipment requirements. Candidates should practice identifying which NEC subject applies before beginning a detailed search.\u003c\/p\u003e\n\n\u003cp\u003ePermanent tabs can help organize major subjects, while highlighting can make important requirements easier to recognize during study. Candidates should use the same highlighted and tabbed reference throughout preparation so the location of major topics becomes increasingly familiar.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eLicensing Steps\u003c\/h2\u003e\n\n\u003cp\u003eIowa electrical licensing is administered through the \u003cstrong\u003eIowa Electrical Examining Board\u003c\/strong\u003e. The authorization to disconnect and reconnect existing air-conditioning and refrigeration equipment is issued as an endorsement on a Special Electrician license.\u003c\/p\u003e\n\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSelect the correct specialty endorsement.\u003c\/strong\u003e The applicable endorsement is Disconnecting and Reconnecting Existing Air Conditioning and Refrigeration Systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eChoose the applicable qualification pathway.\u003c\/strong\u003e Iowa permits candidates to qualify through a Board-approved supervised examination or through documented experience meeting the state's requirements.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApply for examination authorization when using the testing pathway.\u003c\/strong\u003e Candidates must receive the required Iowa approval before scheduling the PSI examination.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrepare for the specialized electrical examination.\u003c\/strong\u003e Study NEC requirements involving disconnects, equipment wiring, motors, overcurrent protection, grounding, conductors, controllers, and air-conditioning and refrigeration equipment.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePractice open-book NEC navigation.\u003c\/strong\u003e Use the highlighted and tabbed NEC Handbook repeatedly during preparation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete the PSI examination.\u003c\/strong\u003e The current examination allows 120 minutes.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMeet the required passing standard.\u003c\/strong\u003e Candidates using the examination pathway must successfully complete the Board-approved test.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete the Special Electrician application process.\u003c\/strong\u003e Submit the documentation required for the applicable endorsement.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWork within the endorsement's authorized scope.\u003c\/strong\u003e The endorsement applies to disconnecting and reconnecting existing air-conditioning and refrigeration systems rather than unrestricted electrical contracting.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eState Requirements\u003c\/h2\u003e\n\n\u003cp\u003eIowa identifies this specialty as \u003cstrong\u003eEndorsement 2, Disconnecting and Reconnecting Existing Air Conditioning and Refrigeration Systems\u003c\/strong\u003e, on the Special Electrician license.\u003c\/p\u003e\n\n\u003cp\u003eUnder current Iowa administrative rules, the endorsement may be issued when requested by an applicant who has either \u003cstrong\u003epassed a supervised examination approved by the Iowa Electrical Examining Board\u003c\/strong\u003e or completed \u003cstrong\u003etwo years of documented experience in the disconnecting and reconnecting of existing air-conditioning and refrigeration systems\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eThe specialty authorization is limited to existing air-conditioning and refrigeration equipment. It does not provide unrestricted authority to install new electrical systems or upgrade branch circuits outside the authorized scope.\u003c\/p\u003e\n\n\u003cp\u003eWhen a new branch circuit or an upgraded branch circuit is required for the equipment, that electrical work falls outside the limited disconnect\/reconnect endorsement and must be performed under the appropriate Iowa electrical licensing authority.\u003c\/p\u003e\n\n\u003cp\u003eIowa also provides an important exception for certain mechanical license holders. Individuals who hold qualifying HVAC or refrigeration licenses issued through Iowa's plumbing and mechanical licensing system may be exempt from the separate Electrical Examining Board credential for the limited purpose of disconnecting and reconnecting existing air-conditioning and refrigeration systems.\u003c\/p\u003e\n\n\u003cp\u003eThe Special Electrician endorsement should therefore be understood as a specialized electrical credential. It is designed for limited work associated with existing HVAC and refrigeration equipment rather than the broader installation authority associated with Iowa master or journeyman electrician licenses.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eReference Books\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNational Electrical Code Handbook, 2023\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe primary electrical code reference in this package. It contains the complete 2023 National Electrical Code together with explanatory material supporting study of conductors, grounding and bonding, branch circuits, overcurrent protection, motors, controllers, wiring methods, disconnecting means, air-conditioning and refrigeration equipment, working clearances, boxes, raceways, and other electrical installation requirements.\u003c\/span\u003e\n\u003c\/li\u003e\n\n  \u003cli\u003e\n\u003cstrong\u003eUgly's Electrical References\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eA practical electrical study reference covering formulas, electrical calculations, conductor properties, voltage drop, motor information, transformer information, grounding, conduit and raceway data, conversions, wiring information, and other frequently used field references.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eTest Information and Study Materials\u003c\/h2\u003e\n\n\u003cp\u003eA strong study plan should begin with \u003cstrong\u003eequipment disconnecting means\u003c\/strong\u003e. Air-conditioning and refrigeration equipment must be capable of being safely disconnected for service. Candidates should understand location, accessibility, rating, and the relationship between the disconnect and the equipment being serviced.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eAir-conditioning and refrigeration equipment requirements\u003c\/strong\u003e should receive focused study. Become familiar with NEC provisions that specifically address electrically driven or controlled air-conditioning and refrigeration equipment, including the way equipment nameplate values affect conductor and overcurrent-protection decisions.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eMotors and compressors\u003c\/strong\u003e are also important. Candidates should understand the difference among branch-circuit conductors, overload protection, short-circuit and ground-fault protection, controllers, and disconnecting means. These requirements are related but serve different purposes.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eEquipment nameplates\u003c\/strong\u003e should be reviewed carefully. HVAC and refrigeration equipment often provides minimum circuit ampacity and maximum overcurrent protective device information. Candidates should understand how nameplate information interacts with NEC requirements instead of assuming that standard conductor and breaker rules always apply in the same way as ordinary loads.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eGrounding and bonding\u003c\/strong\u003e should be studied repeatedly. Candidates should recognize the purpose of an equipment grounding conductor, understand bonding requirements, and distinguish equipment grounding from grounded circuit conductors.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWiring methods and materials\u003c\/strong\u003e also deserve significant preparation. Review raceways, cables, conductors, boxes, fittings, flexible wiring methods, support requirements, outdoor installations, wet locations, physical protection, and connections to mechanical equipment.\u003c\/p\u003e\n\n\u003cp\u003eAir-conditioning and refrigeration equipment can involve vibration, weather exposure, rooftop installations, mechanical spaces, and exterior disconnects. These conditions can affect the wiring method and equipment selected for the installation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBranch-circuit conductor sizing and overcurrent protection\u003c\/strong\u003e should be practiced with actual examples. Candidates should understand ampacity, temperature limitations, correction and adjustment considerations, equipment ratings, and the conditions under which specialized equipment rules control.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWorking space and accessibility\u003c\/strong\u003e should not be overlooked. Electrical equipment must remain safely accessible for operation and service. Candidates should review NEC requirements involving working clearances, dedicated space where applicable, equipment location, and safe access.\u003c\/p\u003e\n\n\u003cp\u003eUgly's Electrical References can be used during preparation to reinforce electrical formulas and practical field information. Review voltage, current, resistance, power, conductor data, voltage drop, motor information, and common electrical relationships.\u003c\/p\u003e\n\n\u003cp\u003eThe 2023 NEC Handbook should remain the primary preparation reference. Practice using its index and article structure to locate common topics quickly. Begin with broad subjects such as air-conditioning equipment, motors, disconnects, grounding, conductors, or raceways and then identify the exact section controlling the question.\u003c\/p\u003e\n\n\u003cp\u003eA useful study exercise is to create equipment scenarios. For example, imagine replacing an existing condensing unit and work through the electrical questions that must be considered: What is the equipment rating? Is the existing disconnect suitable? What conductors are present? Is grounding correct? Does the overcurrent device comply with the equipment information? Is the wiring method suitable for the location?\u003c\/p\u003e\n\n\u003cp\u003eThis scenario-based preparation connects code language with the actual limited work authorized by the Iowa endorsement.\u003c\/p\u003e\n\n\u003cp\u003eCandidates should also distinguish \u003cstrong\u003edisconnecting and reconnecting\u003c\/strong\u003e from electrical modification. The specialty endorsement centers on existing systems. Understanding where the limited scope ends is part of understanding the credential itself.\u003c\/p\u003e\n\n\u003cp\u003eTimed practice can help improve efficiency. With a 120-minute testing period, candidates should avoid spending excessive time searching a single NEC topic. Practice identifying the likely article first, then use the index, tabs, table of contents, and highlighted provisions to reach the relevant requirement.\u003c\/p\u003e\n\n\u003cp\u003eWhen a practice question is missed, determine why. The error may involve misunderstanding an equipment nameplate, choosing the wrong overcurrent rule, confusing grounding and bonding, selecting an unsuitable wiring method, overlooking an equipment-specific provision, or failing to recognize that the work exceeds the endorsement's limited scope.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eHow 1 Exam Prep Helps You Reach Your Goal\u003c\/h2\u003e\n\n\u003cp\u003e1 Exam Prep supports Iowa Disconnecting \u0026amp; Reconnecting Air Conditioning and Refrigeration Systems candidates through organized study guidance, electrical trade-focused review, practice-oriented preparation, NEC navigation, equipment wiring review, and electrical calculation practice.\u003c\/p\u003e\n\n\u003cp\u003eThe highlighted and tabbed \u003cstrong\u003e2023 National Electrical Code Handbook\u003c\/strong\u003e provides a structured code reference candidates can use repeatedly during preparation. Familiarity with the tab placement can help make important sections easier to find when working under exam conditions.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eUgly's Electrical References\u003c\/strong\u003e adds practical support for formulas, conductor information, motor data, voltage drop, grounding, calculations, and other electrical fundamentals that can strengthen understanding of equipment-related questions.\u003c\/p\u003e\n\n\u003cp\u003e1 Exam Prep encourages candidates to organize study around the actual work involved in the specialty: safely disconnecting existing equipment, evaluating electrical connections, interpreting equipment ratings, reconnecting equipment correctly, and recognizing situations where additional electrical work requires a broader license.\u003c\/p\u003e\n\n\u003cp\u003eThe goal is to support stronger NEC knowledge, faster reference navigation, improved electrical calculation skills, and a more organized preparation structure for the Iowa Disconnecting \u0026amp; Reconnecting Air Conditioning and Refrigeration Systems examination.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWhat Iowa license covers disconnecting and reconnecting existing air-conditioning and refrigeration equipment?\u003c\/h2\u003e\n\n\u003cp\u003eIowa issues this authority as the \u003cstrong\u003eDisconnecting and Reconnecting Existing Air Conditioning and Refrigeration Systems endorsement on a Special Electrician license\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eIs the Iowa Disconnecting \u0026amp; Reconnecting Air Conditioning and Refrigeration Systems exam open book?\u003c\/h2\u003e\n\n\u003cp\u003eYes. The examination is an \u003cstrong\u003eopen book test\u003c\/strong\u003e using approved reference material.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWhich NEC edition should I study?\u003c\/h2\u003e\n\n\u003cp\u003eThis package uses the \u003cstrong\u003e2023 National Electrical Code Handbook\u003c\/strong\u003e for current Iowa electrical exam preparation.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eHow much time is allowed for the examination?\u003c\/h2\u003e\n\n\u003cp\u003eThe current testing information provides \u003cstrong\u003e120 minutes\u003c\/strong\u003e for the Iowa Disconnecting \u0026amp; Reconnecting Air Conditioning and Refrigeration Systems examination.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eCan I qualify without taking the examination?\u003c\/h2\u003e\n\n\u003cp\u003eYes. Current Iowa rules provide an experience pathway requiring \u003cstrong\u003etwo years of documented experience in disconnecting and reconnecting existing air-conditioning and refrigeration systems\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eCan this endorsement be used to install a new branch circuit?\u003c\/h2\u003e\n\n\u003cp\u003eThe endorsement is limited to disconnecting and reconnecting existing air-conditioning and refrigeration systems. New or upgraded branch-circuit work requires the appropriate electrical licensing authority.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWhat should I study for the exam?\u003c\/h2\u003e\n\n\u003cp\u003eFocus on equipment disconnects, branch circuits, conductors, overcurrent protection, grounding and bonding, motors, controllers, equipment nameplates, wiring methods, flexible connections, working clearances, and NEC requirements for air-conditioning and refrigeration equipment.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWhy is the NEC Handbook highlighted and tabbed?\u003c\/h2\u003e\n\n\u003cp\u003eThe highlighting and permanent tabs are designed to make important code subjects easier to locate during preparation and support faster navigation of the approved NEC reference.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eHow should I use Ugly's Electrical References?\u003c\/h2\u003e\n\n\u003cp\u003eUse Ugly's Electrical References to reinforce electrical formulas, conductor information, voltage drop, grounding, motor information, conversions, and practical calculations while studying for the exam.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWho administers the examination?\u003c\/h2\u003e\n\n\u003cp\u003eThe examination is administered through \u003cstrong\u003ePSI\u003c\/strong\u003e for the Iowa Electrical Examining Board.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eHow long does the highlighted and tabbed package take to process?\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003ePlease allow up to 15 business days for tabbed and highlighted book package orders.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWhy use the Iowa Disconnecting \u0026amp; Reconnecting Air Conditioning Refrigeration Systems Highlighted and Tabbed Book Package?\u003c\/h2\u003e\n\n\u003cp\u003eThe package combines a prepared 2023 NEC Handbook with a practical electrical reference to support focused study of equipment disconnects, conductors, protection, grounding, motors, HVAC and refrigeration equipment, and electrical calculations.\u003c\/p\u003e\n\n","brand":"1 Exam Prep","offers":[{"title":"Default Title","offer_id":46525942595641,"sku":null,"price":795.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1789\/0861\/files\/IA-A_CREFRIGERATIONCONTRACTOR-HT.jpg?v=1789583230","url":"https:\/\/1examprep.com\/products\/iowa-disconnecting-reconnecting-air-conditioning-refrigeration-systems-contractor-highlighted-and-tabbed-book-package","provider":"1 Exam Prep","version":"1.0","type":"link"}