Which major New York City infrastructure project was closely associated with Murray's adaptations of high-voltage termination principles?

Answer

Interborough Rapid Transit Company (IRT) subway system

Murray was connected to projects associated with the IRT subway system, where principles developed for open-air substations needed to be adapted and hardened for underground routing of high voltages.

Which major New York City infrastructure project was closely associated with Murray's adaptations of high-voltage termination principles?
inventioninventorThomas E. Murray