English to German Tech/Engineering Engineering: Industrial Rauchgasentschwefelungsanlage

In der Technischen Spezifikation gibt es einen Ausdruck in einer Aufzählung, den ich noch nicht klären konnte:

"Completion of Assembly

Completion of the assembly process can be characterised by certain features. [...] All connection points are freely accessible from the main platforms, all items included in the delivery schedule i.e. drives, transmitters, *hot-junctions* and junction boxes are present and labelled in clear, un-coded text [...]"

Wer weiß Rat?