LIMITED POWER OF ATTORNEY
The undersigned in their capacity as an officer and/or director of WESCO
International, Inc. (Issuer) hereby constitutes and appoints each of Diane
Lazzaris, Charles Kim, Michele Nelson and William Cline, or any employee of the
Issuer designated by any of them who is responsible for assisting insiders with
compliance with the Federal securities laws, as the undersigned s true and
lawful attorney-in-fact (Agent) to:
Sign on behalf of the undersigned any U.S. Securities and Exchange Commission
(SEC) forms:
(i) Form ID, including any attached documents, to effect the assignment of codes
to the undersigned to be used in the transmission of information to the SEC
using the EDGAR System and to maintain such codes on the undersigned s behalf;
(ii) Form 3, Initial Statement of Beneficial Ownership of Securities, including
any attached documents;
(iii) Form 4, Statement of Changes in Beneficial Ownership of Securities,
including any attached documents;
(iv) Form 5, Annual Statement of Beneficial Ownership of Securities in
accordance with Section 16(a) of the Securities Exchange Act of 1934, as
amended, and the rules thereunder, including any attached documents and
(v)  amendments of each thereof, in accordance with the Securities Exchange Act
of 1934, as amended, and the rules thereunder, including any attached documents.

Such forms shall be completed from the information furnished by the undersigned
to the Issuer and the information in the Issuers records.
The Agent shall not be liable for any loss that results from a judgment error
that was made in good faith.  However, the Agent shall be liable for willful
misconduct or the failure to act in good faith while acting under the authority
of this Limited Power of Attorney.  A successor Agent shall not be liable for
acts of a prior Agent.
This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file such forms with respect to the
undersigned s holdings of and transactions in securities issued by the Issuer,
unless earlier revoked by the undersigned in a signed writing delivered to the
foregoing attorneys-in-fact.
Consent to Electronic Signature
The undersigned signatory attests and agrees that the use of an electronic
signature in any authentication document that includes the undersigned signatory
s typed, conformed signature, and that is filed with or furnished to the
Securities and Exchange Commission by or on behalf of the undersigned signatory,
WESCO International, Inc. or any of its affiliates, constitutes the legal
equivalent of the undersigned signatory s manual signature for purposes of
authenticating the undersigned signatory s signature to any filing or submission
for which it is provided.
IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of April 5, 2021.
By: /s/ Matthew S. Kulasa
Name:	Matthew S. Kulasa

State of Illinois

County of Cook
On this 5th day of April, 2021, Matthew S. Kulasa personally appeared before me,
and acknowledged that s/he executed the foregoing instrument for the purposes
therein contained.
IN WITNESS WHEREOF, I have hereunto set my hand and official seal.
/s/ Marleiny Filpo
(Signature of Notary Public)
(Seal)	Commission Expires:  January 14, 2024