Modular connectors for rigid tubing are provided. An assembly according to embodiments of the present disclosure may include a rigid tube connected to a coupling assembly, the coupling assembly including a main body having a first tubular section and a second tubular section. The assembly may further include a connector head coupled to the coupling assembly, the connector head including a first section coupled to a second section, wherein the first and second sections define an internal cavity for housing an electrical connector, and wherein the first tubular section extends within the internal cavity.