A pipe connection assembly comprising: a first pipe section (506, 706, 906) and a second pipe section (506a, 706a, 906a), each of the first pipe section and the second pipe section including: a metal tube (502, 702, 906) having a length, an inner surface defining an inner diameter, an outer surface with an outer diameter, a wall thickness defined by the distance between the inner surface and the outer surface, and a belled end (544, 723b, 944); a pipe coupling (508, 708, 908) for mechanically engaging the first pipe section to the second pipe section, the pipe coupling formed as a cylindrical tube and including a first tubular end configured to mechanically engage the first pipe section and a second tubular end configured to mechanically engage the second pipe section, the pipe coupling being sized to be positioned within the inner diameter of the pipe sections at the belled ends and the pipe coupling including outwardly extending teeth (546, 746, 946) on its outer diameter; and, a press ring (542, 742b, 942) for each metal tube to encircle each metal tube radially outwardly of the pipe coupling, the press ring having an inside diameter smaller than the outer diameter of the respective metal tube, the pipe coupling being mechanically engageable to each pipe section by deforming the metal tube radially inwardly into engagement with the teeth by installation of the respective press ring, the press ring holding the respective metal tube in engagement with the teeth, the pipe connection assembly characterised in that each of the first pipe section (506, 706) and the second pipe section (506a, 706a) further include a plastic liner (504, 704) formed of a plastic material compatible with electro-fusion, the plastic liner having a length and an inner diameter, wherein the plastic liner extends along the length of the metal tube (502, 702) and into the belled end; and in that the pipe connection assembly further comprises an electro-fusion assembly (510, 710) energizable to cause melting of the plastic material to fuse the plastic liners (504, 704) of the first pipe section (506, 706) and the second pipe section (506a, 706a) directly or indirectly together in the belled ends of the metal tubes. a first pipe section (506, 706, 906) and a second pipe section (506a, 706a, 906a), each of the first pipe section and the second pipe section including: a metal tube (502, 702, 906) having a length, an inner surface defining an inner diameter, an outer surface with an outer diameter, a wall thickness defined by the distance between the inner surface and the outer surface, and a belled end (544, 723b, 944); a pipe coupling (508, 708, 908) for mechanically engaging the first pipe section to the second pipe section, the pipe coupling formed as a cylindrical tube and including a first tubular end configured to mechanically engage the first pipe section and a second tubular end configured to mechanically engage the second pipe section, the pipe coupling being sized to be positioned within the inner diameter of the pipe sections at the belled ends and the pipe coupling including outwardly extending teeth (546, 746, 946) on its outer diameter; and, a press ring (542, 742b, 942) for each metal tube to encircle each metal tube radially outwardly of the pipe coupling, the press ring having an inside diameter smaller than the outer diameter of the respective metal tube, the pipe coupling being mechanically engageable to each pipe section by deforming the metal tube radially inwardly into engagement with the teeth by installation of the respective press ring, the press ring holding the respective metal tube in engagement with the teeth, the pipe connection assembly characterised in that each of the first pipe section (506, 706) and the second pipe section (506a, 706a) further include a plastic liner (504, 704) formed of a plastic material compatible with electro-fusion, the plastic liner having a length and an inner diameter, wherein the plastic liner extends along the length of the metal tube (502, 702) and into the belled end; and in that the pipe connection assembly further comprises an electro-fusion assembly (510, 710) energizable to cause melting of the plastic material to fuse the plastic liners (504, 704) of the first pipe section (506, 706) and the second pipe section (506a, 706a) directly or indirectly together in the belled ends of the metal tubes.