PIPA’s Technical Note 17 – Recommendations for Electrofusion Welding Specifications provides commentary and information to assist asset owners in correctly specifying the installation requirements for electrofusion welding of polyethylene pipes. TN17 covers the required training/certification levels for installers and demonstrated experience, minimum requirements for installation, record keeping and joint identification information, and quality control measures. This update includes a section on technologies for capturing weld installation information, additional measuring equipment in Table 1 and more guidance in Appendix A. Further information can also be found in PIPA’s POP001 Guideline – Electrofusion Jointing of PE Pipe and Fittings for Pressure Applications.