EXHIBIT 23.2 CONSENT OF INDEPENDENT ACCOUNTANTS We consent to the incorporation by reference in the registration statement of MasTec, Inc. and subsidiaries on Form S-4 (No. 333-46361) of our report dated February 25, 1998, on our audit of the consolidated financial statements of Sistemas e Instalaciones de Telecomunicacion, S.A. (Sintel) and subsidiaries as of December 31, 1997, and for the year then ended, which report is included in Mastec, Inc's Annual Report on Form 10-K for the year ended December 31, 1997. We also consent to the reference to our firm under the caption "Experts." ARTHUR ANDERSEN LLP Madrid, Spain April 20, 1998