All licensees must have _________ of continuing education to renew a license.

To maintain and renew a plumbing license in Texas, licensees are required to complete a specific amount of continuing education. The correct requirement is 6 hours of continuing education. This requirement is set to ensure that licensed plumbers stay updated with the latest codes, regulations, and practices in the plumbing industry. Continuing education helps to enhance skills and knowledge, ensuring that licensed professionals provide safe and effective services.

Understanding this requirement is crucial for compliance with state regulations and for maintaining a valid license to operate in Texas. Other choices reflect incorrect amounts which do not meet the established standards set by the Texas State Board of Plumbing Examiners.