Twelve (12) hours of approved continuing education are required to renew plumbing, gas, mechanical and electrical licenses. Beginning with the 2021 license renewal, general contractors are required to have 12 hours of continuing education hours as well. Any person in the full time employment of the GC company may obtain the hours. The hours shall be submitted at time of renewal and must have been acquired during the two years prior to renewal; six of the hours are to be code book related. Class completion certificates are required for proof of hours. Good websites to view classes are www.phccks.org and www.scks.sedgwickcounty.org.