Origin: China Price: To Talk About Specification: 1).Designed for connecting two telephones or auxiliary devices to one modular jack. 2).The CW14-4 has the four contacts of each jack and plug wired in parallel. The CW14-6 is the same as the Cw14-4 except that the two extra contacts on each jack are wired in parallel to each other. 3). conductor modular "T" adapter. Connects 2 telephones off of one modular jack U.L. certified