Exhibit 31.2

# CERTIFICATION

I, Donald L. Henry, certify that:

|1. |  | I have reviewed this Form 10-K of Ault Incorporated (the
Registrant);
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|2. |  | Based on my knowledge, this report does not contain any
untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of
the circumstances under which such statements were made, not misleading with respect to the period covered by this
report;
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|3. |  | Based on my knowledge, the financial statements, and
other financial information included in this report, fairly present in all material respects the financial condition,
results of operations and cash flows of the registrant as of, and for, the periods presented in this report;
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|4. |  | The registrants other certifying officer and I are
responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules
13a-15(e) and 15d-15(e)) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and
15d-15(f)) for the registrant and have:
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| | (a)       Designed
such disclosure controls and procedures, or caused such disclosure controls and procedures to be designed under our
supervision, to ensure that material information relating to the registrant, including its consolidated subsidiaries, is
made known to us by others within those entities, particularly during the period in which this report is being prepared;
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| | (b)       Designed
such internal control over financial reporting, or caused such internal control over financial reporting to be designed
under our supervision, to provide reasonable assurance regarding the reliability of financial reporting and the
preparation of financial statements for external purposes in accordance with generally accepted accounting principles;
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| | (c)       Evaluated
the effectiveness of the registrants disclosure controls and procedures and presented in this report our
conclusions about the effectiveness of the disclosure controls and procedures, as of the end of the period covered by
this report based on such evaluation; and
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| | (d)       Disclosed
in this report any change in the registrants internal control over financial reporting that occurred during the
registrants most recent fiscal quarter (the registrants fourth fiscal quarter in the case of an annual
report) that has materially affected, or is reasonably likely to materially affect, the registrants internal
control over financial reporting; and
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|5. |  | The registrants other certifying officer and I
have disclosed, based on our most recent evaluation of internal control over financial reporting, to the
registrants auditors and the audit committee of the registrants board of directors (or persons performing
the equivalent functions):
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| | (a)       All
significant deficiencies and material weaknesses in the design or operation of internal control over financial reporting
which are reasonably likely to adversely affect the registrants ability to record, process, summarize and report
financial information; and
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| | (b)       Any
fraud, whether or not material, that involves management or other employees who have a
significant role in the registrants internal control over financial reporting.
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Date:   August 23, 2004

| |                                         |  |  |                        | 
| | --------------------------------------- |  |  | ---------------------- | 
| |                                         |  |  | /s/   Donald L.  Henry | 
| |                                        
| | Donald L.  HenryChief Financial Officer | 

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