Prospectus Supplement No. 1
                       (To Prospectus Dated June 2, 1997)

                                1,600,000 Shares

                            Able Telcom Holding Corp.

                                  Common Stock


               This Prospectus Supplements information contained in that certain
Prospectus  dated June 2, 1997, as amended or  supplemented  (the  "Prospectus")
relating to the potential sale by the Selling  Shareholders from time to time of
up to  1,600,000  shares of Common  Stock,  par value  $.001 per share,  of Able
Telcom  Holding  Corp.  (the  "Company").  The Common  Stock is  issuable to the
Selling  Shareholders  upon  conversion  of  shares  of  Preferred  Stock of the
Company.  This  Prospectus  Supplement is not complete  without,  and may not be
delivered or utilized except in connection  with, the Prospectus,  including any
amendments or supplements thereto. Capitalized terms used herein but not defined
have the meanings assigned to such terms in the Prospectus.

      The  table  set  forth  in  the  Prospectus  under  the  caption  "Selling
Shareholders" shall be deleted in its entirety and replaced with the following.


                                                         
                             Shares             Maximum Number    Shares
                             Beneficially       of Shares         Beneficially
                             Owned Prior to     Offered Hereby    Ownwed After
                             Offering                             Offering


Name and Address

Proprietary Convertible
 Investment Group, Inc.

C/o Credit Suisse First
 Boston Corporation
  11 Madison Avenue
  3rd Floor
  New York, NY  10010        501,338(1)          501,338              -

Silverton Internationl
Fund Limited
  129 Front Street
  Hamilton HM 12
  Bermuda                    503,254(2)          503,254              -



(1) Includes  336,216  shares of Common Stock  issuable upon  conversion of
    Preferred Stock held by the Selling Shareholder assuming a conversion of
    January 14, 1998.

(2) Includes  162,162  shares of Common Stock  issuable upon  conversion of
    Preferred Stock held by the Selling Shareholder assuming a conversion of 
    January 14, 1998.




          The Date of this Prospectus Supplement is January 14, 1997.