what does it mean "tappings and connections"?

Question

in this sentence: "Tappings and connections for the cabin area shall be 120mm MA pipes.:

Answer 1

Tapping's and connections just means someone is connecting to a power source that already exists.
They will go to the closest power source and run pipes and power lines through them to the cabins.

Answer 2

"tappings" are usually inlets or outlets that are drilled and tapped, or internally threaded to accept bolts or threaded pipe or tubing.

"connections" are usually inlets or outlets that consist of short sections of pipe or tubing, or are flanged connections that are attached by welding or other methods.