EXHIBIT 23


                     CONSENT OF INDEPENDENT PUBLIC ACCOUNTANTS


As independent public accountants, we hereby consent to the incorporation of our
reports included in this Form 10-K, into the Company's previously filed
Registration Statements on Form S-8 pertaining to the Company's 1984 and 1991
Stock Option Plans, filed on April 15, 1993, the 1995 Stock Option Plan, filed
on January 31, 1997, the 1999 Stock Option Plan, filed on December 15, 1998, the
Summa ESOP and 401(k) Stock Option Plan, filed on September 8, 1997, the
Calnetics Stock Option Plan, filed on October 21, 1997, the Falcon Acquisition
Stock Option Plan, filed on December 15, 1998, the Plastron Acquisition Stock
Option Plan, filed on May 20, 1999, and the previously filed Registration
Statement on Form S-4 pertaining to the LexaLite Stock Option Plan, filed on
September 9, 1996,  with the Securities and Exchange Commission under the
Securities Act of 1933.



                                   /s/ Arthur Andersen LLP

                                   ARTHUR ANDERSEN LLP


Los Angeles, California

October 26, 1999