POWER OF ATTORNEY
                         For Executing Forms 3, 4 and 5

KNOW ALL BY THESE PRESENTS, that the undersigned hereby constitutes and appoints
each of Colin Flannery, Andy Klaus, Scott Hovey, Eric Broxterman or Dan Gerken,
or any of them, each acting alone, his or her true and lawful attorney-in-fact
to:

                (1) execute for and on behalf of the undersigned a Form 3, Form
                    4 or Form 5, or any amendment thereto, relating to the
                    securities of Vertiv Holdings Co (f/k/a GS Acquisition
                    Holdings Corp) (the "Company"), in accordance with Section
                    16(a) of the Securities Exchange Act of 1934 and the rules
                    thereunder;

                (2) do and perform any and all acts for and on behalf of the
                    undersigned which may be necessary or desirable to complete
                    and execute such Form 3, Form 4 or Form 5, or any amendment
                    thereto, and the timely filing of such form with the United
                    States Securities and Exchange Commission and any other
                    authority; and

                (3) take any other action of any type whatsoever in connection
                    with the foregoing which, in the opinion of such attorney-
                    in-fact, may be of benefit to, in the best interest of, or
                    legally required by, the undersigned, it being understood
                    that the documents executed by such attorney-in-fact on
                    behalf of the undersigned pursuant to this Power of Attorney
                    shall be in such form and shall contain such terms and
                    conditions as such attorney-in- fact may approve in such
                    attorney-in-fact's discretion.

The undersigned hereby grants to each such attorney-in-fact full power and
authority to do and perform any and every act and thing whatsoever requisite,
necessary and proper to be done in the exercise of any of the rights and powers
herein granted, as fully to all intents and purposes as such undersigned might
or could do if personally present, hereby ratifying and confirming all that such
attorney-in-fact shall lawfully do or cause to be done by virtue of this Power
of Attorney and the rights and powers herein granted.  The undersigned
acknowledges that each of the foregoing attorneys-in-fact, in serving in such
capacity at the request of the undersigned, is not assuming any of the
undersigned's responsibilities to comply with Section 16 of the Securities
Exchange Act of 1934.  This Power of Attorney shall remain in full force and
effect until the undersigned is no longer required to file Forms 3, 4 and 5 with
respect to the undersigned's holdings of and transactions in securities issued
by the Company unless earlier revoked by the undersigned in a signed writing
delivered to the foregoing attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this 7th day of February, 2020.

                                        By:   /s/ Gary Niederpruem
                                              --------------------
                                        Name: Gary Niederpruem