PAGE 1 EXHIBIT 5.1 April 17, 1997 General Signal Corporation High Ridge Park Stamford, Connecticut 06904 Re: General Signal Corporation Registration Statement on Form S-8 Gentlemen: We have acted as counsel to General Signal Corporation (the "Company")in connection with the registration by the Company under the Securities Act of 1933, as amended, on Form S-8 of shares of common stock of the Company, par value $1.00 per share ("Common Stock"), reserved for acquisition by non-employee directors of the Company pursuant to the General Signal Corporation 1997 Non-Employee Directors Stock Option Plan (the Plan). We advise you that in our opinion: (1) The issuance of the shares of Common Stock which have been reserved for issuance to non-employee directors of the Company upon the exercise of options issued pursuant to the Plan has been duly authorized and, when issued in accordance with the terms of the Plan, and assuming that the consideration for the issuance of such shares is in each case not less than the par value of such shares, such shares will be validly issued, fully paid and non- assessable, and no personal liability will attach to any holder of such shares under the laws of the State of New York, except to the extent that under Section 630 of the Business Corporation Law of the State of New York, the ten largest shareholders of the Company, under certain conditions not presently existing, may be held liable for certain debts of the Company to its employees. (2) The Common Stock Purchase Rights of the Company issuable in connection with the issuance of Common Stock pursuant to the Plan has been duly authorized and when delivered, such Common Stock Purchase Rights will be validly issued. We hereby consent to the filing of this opinion as an exhibit to the Registration Statement and to the reference to our firm under the caption entitled "Legal Opinion" in the Registration Statement. Very truly yours, /s/ Cahill Gordon & Reindel