UNSPSC 43222702: Telegraph electromagnets

A component of a telegraph system that consisted of a coil of from 50 to several hundred turns of insulated wire wrapped around an iron core. It pulled on a piece of iron whenever an electric current was passed through it. These devices first caused marks to be made on a paper tape and then, when it was discovered that people could decipher the noises that they made by ear, they developed into the electromagnetically operated "sounders" used from the 1850s to the 1950s

UNSPSC 43222702 Telegraph electromagnets, a Commodity code, sees limited recent state and local procurement activity directly aligned with the code's nominal scope. The two recent opportunities posted under this code—a Sourcewell cooperative law enforcement equipment RFP and a Klein Independent School District career technical education and advanced academics RFP—are both broad platform procurements that do not reflect purchase of telegraph electromagnets or related electromagnetic switching or signaling devices. State and local governments buying under this code typically acquire electromagnetic components for industrial control, signaling, or specialized equipment applications, but the recent posting record does not support concrete examples of such activity.

Sourcewell, a Minnesota local government cooperative, issued RFP #061626 on May 12, 2026 (due June 16, 2026) as a multi-jurisdictional law enforcement equipment contracting vehicle covering participating entities in Washington state and across the United States and Canada; Klein Independent School District in Harris County, Texas issued RFP #26-101 on April 17, 2026 (due June 5, 2026) for career technical education and advanced academics instructional resources and equipment. Neither solicitation reflects demand for telegraph electromagnets or similar narrow-scope electromagnetic devices. The code shows minimal recent activity relevant to traditional electromagnetic component supply chains, and firms should verify actual commodity need before pursuing opportunities tagged to this code.