{"product_id":"washington-dc-master-plumber-with-gas-book-package","title":"Washington DC Master Plumber with Gas Book Package","description":"\u003ch1 style=\"color: #d32f2f;\"\u003eWashington DC Master Plumber with Gas Book Package\u003c\/h1\u003e\n\n\u003cp\u003ePrepare for the \u003cstrong\u003eWashington DC Master Plumber with Gas examination\u003c\/strong\u003e with a focused book package built around the two approved references identified for the current District of Columbia exam. This package includes the \u003cstrong\u003e2012 International Plumbing Code\u003c\/strong\u003e and the \u003cstrong\u003e2012 International Fuel Gas Code\u003c\/strong\u003e, giving candidates the plumbing and fuel-gas code resources needed for exam-focused preparation.\u003c\/p\u003e\n\n\u003cp\u003eThe Washington DC Master Plumber with Gas examination is administered through \u003cstrong\u003ePSI\u003c\/strong\u003e for the District of Columbia Board of Industrial Trades. The current examination is identified as \u003cstrong\u003e304 Washington DC Master Plumber with Gas\u003c\/strong\u003e and tests candidates across plumbing fixtures and terminology, plumbing fundamentals, traps and cleanouts, special requirements, drainage, venting, water distribution, plan analysis, and fuel-gas systems.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003e2012 International Plumbing Code\u003c\/strong\u003e supports preparation for plumbing-system design and installation, including fixtures, drainage systems, vents, traps, cleanouts, water distribution, piping materials, and sizing requirements. The \u003cstrong\u003e2012 International Fuel Gas Code\u003c\/strong\u003e covers fuel-gas piping, sizing, installation, combustion air, appliances, venting, and other requirements associated with gas systems.\u003c\/p\u003e\n\n\u003cp\u003eThis combined credential requires preparation across both plumbing and gasfitting subjects. Candidates should be comfortable moving between the two code books, identifying which reference applies to a question, locating tables efficiently, performing calculations, and interpreting plumbing and gas-system plans under timed testing conditions.\u003c\/p\u003e\n\n\u003cp\u003eThe Washington DC Master Plumber with Gas examination is an \u003cstrong\u003eopen-book test\u003c\/strong\u003e. Both books in this package are approved references for the current examination, making familiarity with their organization an important part of preparation.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eExam Details\u003c\/h2\u003e\n\n\u003cp\u003eThe current \u003cstrong\u003eWashington DC Master Plumber with Gas examination\u003c\/strong\u003e contains \u003cstrong\u003e100 multiple-choice questions\u003c\/strong\u003e. Candidates receive a \u003cstrong\u003e4-hour time limit\u003c\/strong\u003e to complete the examination.\u003c\/p\u003e\n\n\u003cp\u003eThe current PSI examination content outline is:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\u003cstrong\u003ePlumbing Fixtures and Terminology – 7%\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003ePlumbing Fundamentals – 13%\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eTraps, Cleanouts, and Interceptors – 7%\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eSpecial Requirements – 6%\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eDrainage Requirements – 8%\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eVent Requirements – 9%\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eWater Distribution – 7%\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003ePlan and Analysis – 23%\u003c\/strong\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003cstrong\u003eGas – 20%\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003ePlan and Analysis\u003c\/strong\u003e is the largest individual content category at 23%, while \u003cstrong\u003eGas\u003c\/strong\u003e represents 20% of the examination. Plumbing Fundamentals account for another 13%, and Vent Requirements represent 9%.\u003c\/p\u003e\n\n\u003cp\u003eThe exam structure means candidates should prepare for both detailed code questions and practical system-analysis problems. A Master Plumber with Gas candidate may need to evaluate plumbing plans, calculate drainage or water-system requirements, size gas piping, identify appliance requirements, determine venting provisions, or select the proper code section for a particular installation.\u003c\/p\u003e\n\n\u003cp\u003eThe four-hour testing period provides an average of approximately \u003cstrong\u003e2.4 minutes per question\u003c\/strong\u003e. Some questions may be answered quickly, while calculations and plan-analysis problems can require substantially more time. Efficient reference-book navigation is therefore an important part of preparation.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eOpen Book Test\u003c\/h2\u003e\n\n\u003cp\u003eThe Washington DC Master Plumber with Gas examination is an \u003cstrong\u003eopen book test\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003ePSI currently lists both the \u003cstrong\u003e2012 International Plumbing Code\u003c\/strong\u003e and the \u003cstrong\u003e2012 International Fuel Gas Code\u003c\/strong\u003e as approved references for the examination.\u003c\/p\u003e\n\n\u003cp\u003eThe 2012 International Plumbing Code should be used for questions involving plumbing fixtures, sanitary drainage, vents, traps, cleanouts, water distribution, plumbing materials, piping arrangements, and other plumbing-system requirements.\u003c\/p\u003e\n\n\u003cp\u003eThe 2012 International Fuel Gas Code should be used for questions involving fuel-gas piping, pipe sizing, appliances, combustion air, venting, installation requirements, equipment connections, and related gas-system provisions.\u003c\/p\u003e\n\n\u003cp\u003eBecause two code books are available during the examination, candidates should practice identifying which book applies before beginning a detailed search. A sanitary drainage question should send the candidate directly to the Plumbing Code, while a gas-pipe sizing or combustion-air question should direct attention to the Fuel Gas Code.\u003c\/p\u003e\n\n\u003cp\u003ePSI permits only the references identified for the applicable examination. Approved reference books must comply with current examination-center rules. PSI permits bound references containing notes written in ink or highlighting in code sections and permits permanently attached tabs. Candidates may not write or mark in their reference books during the examination.\u003c\/p\u003e\n\n\u003cp\u003eBuilding familiarity with both references before exam day can help reduce unnecessary searching and preserve more time for calculations, plan analysis, and multi-step problems.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eLicensing Steps\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eDistrict of Columbia Board of Industrial Trades\u003c\/strong\u003e regulates plumbing and gasfitting licenses in Washington DC. Candidates pursuing the Master Plumber with Gas credential through the examination pathway must satisfy the District's applicable experience and application requirements.\u003c\/p\u003e\n\n\u003col\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSelect the Master Plumber with Gas credential.\u003c\/strong\u003e Washington DC offers plumbing, gasfitting, and combined plumbing\/gasfitting licensing categories. This package is designed around the combined Master Plumber with Gas examination.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete the required qualifying experience.\u003c\/strong\u003e The current Master examination pathway requires 8 years, or 16,000 hours, of qualifying work experience.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGather employment documentation.\u003c\/strong\u003e Applicants using the examination pathway must provide tax records and an employment verification letter documenting qualifying experience.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eObtain proper experience verification.\u003c\/strong\u003e Employment verification should be signed by the supervising master and describe the length and nature of the applicant's qualifying work.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrepare the general application materials.\u003c\/strong\u003e Current Board requirements include a passport-style photograph, government-issued identification, and payment information for applicable application and licensing charges.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSubmit the Washington DC licensing application.\u003c\/strong\u003e Complete the applicable Master Plumber with Gas application through the District's occupational and professional licensing process.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eReceive examination eligibility.\u003c\/strong\u003e Candidates must satisfy the applicable licensing requirements before completing the PSI examination process.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrepare with both approved references.\u003c\/strong\u003e Study the 2012 International Plumbing Code and 2012 International Fuel Gas Code according to the published content outline.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTake the Master Plumber with Gas examination.\u003c\/strong\u003e The current examination contains 100 multiple-choice questions and provides four hours.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComplete the remaining licensing process.\u003c\/strong\u003e Follow the Board of Industrial Trades requirements after the examination and provide any remaining documentation required for license issuance.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003cp\u003eThe combined Master Plumber with Gas credential should not be confused with the standard Master Plumber examination. The standard Master Plumber exam focuses only on plumbing content, while the Master Plumber with Gas exam adds a substantial fuel-gas component and requires the International Fuel Gas Code as an additional approved reference.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eState Requirements\u003c\/h2\u003e\n\n\u003cp\u003eWashington DC is a federal district rather than a state, but plumbing and gasfitting licenses are regulated locally through the \u003cstrong\u003eDistrict of Columbia Board of Industrial Trades\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eCurrent District application instructions identify a requirement of \u003cstrong\u003e8 years, or 16,000 hours, of qualifying work experience\u003c\/strong\u003e for applicants using the Master examination pathway.\u003c\/p\u003e\n\n\u003cp\u003eApplicants using this route must provide \u003cstrong\u003etax records and an employment verification letter\u003c\/strong\u003e. The employment verification letter should be signed by the master supervising the qualifying work and should describe the applicant's length of employment and practical experience.\u003c\/p\u003e\n\n\u003cp\u003eThe Board's current application information also identifies a \u003cstrong\u003eCertificate of Completion\u003c\/strong\u003e and employment verification among the documentation that may apply to plumbing and gasfitting applicants depending on the pathway being used.\u003c\/p\u003e\n\n\u003cp\u003eWashington DC offers separate plumbing, gasfitting, and combined plumbing\/gasfitting credentials. Candidates should choose the license and examination that correspond to the type of work they intend to perform.\u003c\/p\u003e\n\n\u003cp\u003eA Master Plumber with Gas credential combines plumbing and gasfitting responsibilities under the applicable District licensing structure. The individual trade license is separate from a \u003cstrong\u003ePlumbing and Gasfitting Contractor license\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eBusinesses performing plumbing or gasfitting contracting work must meet separate District requirements. Current contractor licensing information requires applicable business registration or a certificate of good standing, a designated DC-licensed master tradesperson, and the required plumbing and gasfitting contractor bond.\u003c\/p\u003e\n\n\u003cp\u003eWashington DC plumbing and gasfitting licenses currently expire on \u003cstrong\u003eMarch 31 of even-numbered years\u003c\/strong\u003e. Renewal requirements are separate from the initial examination and licensing process.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eReference Books\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2012 International Plumbing Code\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe approved plumbing reference for the current Washington DC Master Plumber with Gas examination. It covers plumbing fixtures, terminology, general regulations, water supply and distribution, sanitary drainage, vents, traps, cleanouts, interceptors, piping materials, sizing, and other requirements relevant to plumbing-system design and installation.\u003c\/span\u003e\n\u003c\/li\u003e\n\n  \u003cli\u003e\n\u003cstrong\u003e2012 International Fuel Gas Code\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003eThe approved fuel-gas reference for the current Washington DC Master Plumber with Gas examination. It covers fuel-gas piping systems, sizing, installation, appliances, combustion air, equipment connections, venting, materials, testing, and other requirements associated with fuel-gas installations.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eExam Room Approved Books\u003c\/h2\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e2012 International Plumbing Code\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003ePSI lists the 2012 International Plumbing Code as an approved reference for the current Washington DC Master Plumber with Gas examination.\u003c\/span\u003e\n\u003c\/li\u003e\n\n  \u003cli\u003e\n\u003cstrong\u003e2012 International Fuel Gas Code\u003c\/strong\u003e\u003cbr\u003e\u003cspan\u003ePSI lists the 2012 International Fuel Gas Code as an approved reference for the current Washington DC Master Plumber with Gas examination.\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\u003e\u003cstrong\u003ePlumbing Fixtures and Terminology\u003c\/strong\u003e account for 7% of the examination. Candidates should review plumbing definitions, fixture classifications, fixture installation requirements, clearances, connections, and other fixture-related code provisions.\u003c\/p\u003e\n\n\u003cp\u003eTerminology matters because the meaning of a defined term can determine how a code provision applies. Become familiar with definitions in both the Plumbing Code and Fuel Gas Code so questions can be interpreted accurately.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePlumbing Fundamentals\u003c\/strong\u003e represent 13%. Review basic plumbing-system principles, materials, installation requirements, calculations, general regulations, and the interaction among water supply, drainage, venting, fixtures, and traps.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTraps, Cleanouts, and Interceptors\u003c\/strong\u003e account for 7%. Study trap seals, prohibited arrangements, cleanout placement, accessibility, interceptors, separators, and requirements affecting specialized waste systems.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSpecial Requirements\u003c\/strong\u003e represent 6%. Candidates should include specialized plumbing provisions in their preparation rather than concentrating only on drainage and water distribution.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDrainage Requirements\u003c\/strong\u003e account for 8%. Review drainage fixture units, horizontal and vertical drainage piping, building drains, building sewers, slopes, changes in direction, connections, sizing tables, and sanitary drainage materials.\u003c\/p\u003e\n\n\u003cp\u003ePractice determining fixture-unit loads and selecting the appropriate pipe size from the correct table. Candidates should also understand how different sections of a drainage system relate to one another.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eVent Requirements\u003c\/strong\u003e represent 9%. Study individual vents, common vents, wet venting, circuit venting, vent sizing, vent terminals, vent connections, and the relationship between drainage piping and the vent system.\u003c\/p\u003e\n\n\u003cp\u003eVenting questions can depend heavily on fixture arrangement and pipe configuration. Practice interpreting diagrams and plans in addition to reading code text.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWater Distribution\u003c\/strong\u003e represents 7%. Review water-service piping, distribution systems, fixture supplies, valves, pressure, backflow protection, water heaters, pipe sizing, and potable-water requirements.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePlan and Analysis\u003c\/strong\u003e is the largest section of the exam at \u003cstrong\u003e23%\u003c\/strong\u003e. Candidates should become comfortable interpreting plumbing and gas-system drawings, identifying components, tracing piping arrangements, evaluating system design, and applying code requirements to plans.\u003c\/p\u003e\n\n\u003cp\u003ePlan-analysis questions may combine several subjects. A single problem could involve plumbing fixtures, drainage sizing, venting, water distribution, gas piping, appliance locations, or several of these areas together.\u003c\/p\u003e\n\n\u003cp\u003eA productive study method is to break a plan into systems. Analyze the sanitary drainage system first, then vents, water distribution, and fuel-gas piping. This can make complex plans easier to evaluate and reduce the chance of overlooking a system component.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eGas\u003c\/strong\u003e represents \u003cstrong\u003e20%\u003c\/strong\u003e of the examination, making it the second-largest content category. Candidates should devote substantial preparation time to the 2012 International Fuel Gas Code.\u003c\/p\u003e\n\n\u003cp\u003eGas preparation should include fuel-gas piping materials, pipe sizing, system pressure, installation requirements, appliance connections, shutoff valves, testing, combustion air, and venting.\u003c\/p\u003e\n\n\u003cp\u003eGas-pipe sizing calculations deserve repeated practice. Candidates should become familiar with the appropriate sizing tables and know how system length, connected load, gas demand, and pressure conditions affect pipe sizing.\u003c\/p\u003e\n\n\u003cp\u003eCombustion-air requirements are another important area. Fuel-burning appliances require adequate combustion, ventilation, and dilution air, and the code provides methods for determining the required openings and air supply.\u003c\/p\u003e\n\n\u003cp\u003eAppliance venting can also involve detailed code requirements. Review vent categories, vent connectors, chimney and vent requirements, termination locations, sizing, clearances, and appliance-specific provisions.\u003c\/p\u003e\n\n\u003cp\u003eCandidates should practice distinguishing between plumbing venting and fuel-gas appliance venting. Both are tested on the examination, but they are governed by different requirements and appear in different code books.\u003c\/p\u003e\n\n\u003cp\u003eThe examination provides \u003cstrong\u003efour hours for 100 questions\u003c\/strong\u003e. Candidates should practice timed question sets using both books so selecting the correct reference becomes automatic.\u003c\/p\u003e\n\n\u003cp\u003eWhen a practice question is answered incorrectly, identify the cause. The error may involve selecting the wrong book, using the wrong sizing table, misunderstanding a plan, missing an exception, applying an incorrect fixture-unit value, or overlooking a gas-system requirement.\u003c\/p\u003e\n\n\u003cp\u003eRepeated use of both references helps candidates learn not just the code content but also where information is located. That familiarity can be particularly valuable when working through the 23% Plan and Analysis section and the 20% Gas section.\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 Washington DC Master Plumber with Gas candidates through organized study guidance, plumbing and fuel-gas review, practice-oriented preparation, code calculations, plan-analysis practice, and reference navigation.\u003c\/p\u003e\n\n\u003cp\u003eThe \u003cstrong\u003e2012 International Plumbing Code\u003c\/strong\u003e provides the plumbing foundation for preparation, while the \u003cstrong\u003e2012 International Fuel Gas Code\u003c\/strong\u003e supports study of gas piping, appliances, combustion air, venting, and related fuel-gas requirements.\u003c\/p\u003e\n\n\u003cp\u003eA structured preparation plan can help candidates allocate study time according to the current examination outline. Plan and Analysis and Gas together account for 43% of the examination, making those subjects particularly important. Plumbing Fundamentals, venting, drainage, fixtures, traps, water distribution, and special requirements should also remain part of a complete review.\u003c\/p\u003e\n\n\u003cp\u003ePractice-oriented study helps candidates learn how to determine which reference applies, locate the appropriate table or section, complete the necessary calculation, and apply the requirement to an installation or plan.\u003c\/p\u003e\n\n\u003cp\u003e1 Exam Prep focuses on helping candidates strengthen plumbing and gas-code knowledge, improve calculations, build plan-analysis skills, and develop faster open-book reference navigation without guaranteeing a particular examination score or licensing outcome.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eHow many questions are on the Washington DC Master Plumber with Gas exam?\u003c\/h2\u003e\n\n\u003cp\u003eThe current examination contains \u003cstrong\u003e100 multiple-choice questions\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eHow much time is allowed for the exam?\u003c\/h2\u003e\n\n\u003cp\u003eCandidates receive a \u003cstrong\u003e4-hour time limit\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eIs the Washington DC Master Plumber with Gas exam open book?\u003c\/h2\u003e\n\n\u003cp\u003eYes. The current examination is an \u003cstrong\u003eopen book test\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWhich books are approved for the exam?\u003c\/h2\u003e\n\n\u003cp\u003eThe approved references are the \u003cstrong\u003e2012 International Plumbing Code\u003c\/strong\u003e and the \u003cstrong\u003e2012 International Fuel Gas Code\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWhat is the largest section of the examination?\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003ePlan and Analysis\u003c\/strong\u003e is the largest content category at \u003cstrong\u003e23%\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eHow much of the exam covers gas?\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eGas\u003c\/strong\u003e category represents \u003cstrong\u003e20%\u003c\/strong\u003e of the current examination outline.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWhat experience is required for the Master examination pathway?\u003c\/h2\u003e\n\n\u003cp\u003eCurrent Washington DC application instructions identify \u003cstrong\u003e8 years, or 16,000 hours, of qualifying work experience\u003c\/strong\u003e for the Master examination pathway.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWhat experience documentation is required?\u003c\/h2\u003e\n\n\u003cp\u003eApplicants using the examination pathway must provide \u003cstrong\u003etax records and an employment verification letter\u003c\/strong\u003e documenting the qualifying experience.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eIs the Master Plumber with Gas exam different from the standard Master Plumber exam?\u003c\/h2\u003e\n\n\u003cp\u003eYes. The Master Plumber with Gas examination includes a dedicated \u003cstrong\u003eGas\u003c\/strong\u003e section and uses the 2012 International Fuel Gas Code in addition to the 2012 International Plumbing Code.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWho regulates Washington DC Master Plumbers with Gas?\u003c\/h2\u003e\n\n\u003cp\u003eThe credential is regulated through the \u003cstrong\u003eDistrict of Columbia Board of Industrial Trades\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWho administers the examination?\u003c\/h2\u003e\n\n\u003cp\u003eThe current Washington DC Master Plumber with Gas examination is administered through \u003cstrong\u003ePSI\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWhen do Washington DC plumbing and gasfitting licenses expire?\u003c\/h2\u003e\n\n\u003cp\u003eWashington DC plumbing and gasfitting licenses currently expire on \u003cstrong\u003eMarch 31 of even-numbered years\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eIs the Master Plumber with Gas license the same as a Plumbing and Gasfitting Contractor license?\u003c\/h2\u003e\n\n\u003cp\u003eNo. The individual master trade credential and the contracting business license are separate. A business must satisfy the District's applicable contractor registration, designated-master, licensing, and bonding requirements.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWhat should I focus on when studying?\u003c\/h2\u003e\n\n\u003cp\u003eFocus on plan analysis, fuel-gas piping and sizing, plumbing fundamentals, gas appliances, combustion air, gas venting, plumbing vents, drainage, water distribution, fixtures, traps, special requirements, and efficient navigation of both approved code books.\u003c\/p\u003e\n\n\u003ch2 style=\"color: #d32f2f;\"\u003eWhy choose the Washington DC Master Plumber with Gas Book Package?\u003c\/h2\u003e\n\n\u003cp\u003eThis package combines the \u003cstrong\u003e2012 International Plumbing Code\u003c\/strong\u003e and \u003cstrong\u003e2012 International Fuel Gas Code\u003c\/strong\u003e, the two references approved for the current Washington DC Master Plumber with Gas examination. Together, they provide the code foundation needed for plumbing, gasfitting, plan analysis, calculations, venting, drainage, water distribution, appliance requirements, and open-book exam navigation.\u003c\/p\u003e\n\n","brand":"1 Exam Prep","offers":[{"title":"Default Title","offer_id":46530640740409,"sku":null,"price":210.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1789\/0861\/files\/DC-MASTERGASPLUMBER-BOOKS.jpg?v=1789657276","url":"https:\/\/1examprep.com\/products\/washington-dc-master-plumber-with-gas-book-package","provider":"1 Exam Prep","version":"1.0","type":"link"}