TX Plumber key terms

A licensed master plumber who agrees to supervise plumbing work performed under a plumbing contractor's license and accepts legal responsibility for code compliance on those jobs.

The business license authorizing a company to offer plumbing services, held by a licensed plumber who serves as the responsible master plumber for the firm.

Proof of general liability and workers' compensation coverage that a license applicant or holder must file with the state to keep a plumbing license active.

Required hours of approved instruction a licensee must complete each renewal cycle to keep a license active, including code and safety topics set by rule.

The periodic process of paying fees and documenting required training so a plumbing license stays valid for another term.

Permanent withdrawal of a plumbing license by the state board after serious violations, after which the person may not legally perform licensed plumbing work.

A temporary removal of a plumbing license for a set period or until stated conditions are met, during which licensed work is prohibited.

A monetary fine or other sanction the licensing board imposes for code or rule violations without a criminal court proceeding.

The highest plumbing license level, allowing the holder to design and install plumbing systems and to supervise others' plumbing work.

A licensed plumber who performs plumbing work independently under a master plumber's general supervision, typically after completing apprenticeship hours and passing an exam.

A license limited to specific plumbing work scopes, such as residential service and repair or certain fixture replacements, without full system design authority.

A person registered with the state who learns the trade under a licensed plumber's direct supervision while accumulating the work hours required for journeyman licensure.

Documented on-the-job training time an apprentice must accumulate under supervision before being eligible to test for a higher license.

Signed documentation from an employer or supervising licensee confirming the type and amount of plumbing work an applicant has performed.

The standardized test of code knowledge, trade practice, and business rules an applicant must pass to obtain a plumbing license.

A licensed official who examines installed plumbing for code compliance and issues approvals, corrections, or disapprovals of permitted work.

Written authorization from the authority having jurisdiction to install, alter, or repair plumbing work described in the application.

The inspection of piping and fittings after installation but before walls, floors, or fixtures conceal the work.

The last inspection confirming that a completed plumbing installation is tested, functional, and compliant before the system is placed in service.

An official document stating a building may be occupied, issued only after required plumbing inspections and tests have passed.

The local or state office empowered to enforce the plumbing code, issue permits, conduct inspections, and approve or reject installations.

A written directive requiring that work halt because it lacks a permit, violates the code, or poses a hazard, until the problem is corrected.

A model plumbing code adopted in whole or part by jurisdictions to set minimum standards for design, materials, and installation of plumbing systems.

The water held in a trap's dip that blocks sewer gas from entering a building, maintained at a depth set by code.

A U-shaped fitting beneath a fixture that holds a water seal and drains waste while preventing sewer gases from rising into the space.

A pipe that admits air into the drainage system to equalize pressure and protect trap seals from siphonage or back pressure.

The network of soil, waste, and vent piping that carries sewage and gray water out of a building while maintaining balanced air pressure.

A numerical value expressing the probable drainage load or water demand of a plumbing fixture, used to size pipe and vents.

Selecting pipe diameters and materials so that adequate pressure and flow reach every fixture during peak demand.

A device or assembly that stops contaminated water from reversing into a potable water supply because of backpressure or backsiphonage.

Any actual or potential link between a potable water system and a source of contamination that could allow pollutants to enter drinking water.

A physical separation between a water outlet and a fixture's flood-level rim that prevents backflow by leaving open space.

A pressure test in which a water supply system is filled and pressurized to reveal leaks before the work is covered or approved.

The downward pitch of a horizontal drain pipe, measured in fall per unit length, that lets waste flow by gravity without clogging.

An accessible fitting with a removable cap that allows a drain line to be cleared of blockages.

The specific plumbing tasks a license class legally permits its holder to perform, which varies between master, journeyman, and limited licenses.

The degree of oversight a licensed plumber provides over less-licensed workers, ranging from direct on-site control to general responsibility for the work.