The short answer

Not stated

The pages say Canadian certificate holders can apply using a PDF form and, once approved, are issued an Ontario Certificate of Qualification, but they do not state whether an exam or assessment is required.

Source
“Once your application is approved and you are issued a Certificate of Qualification, you may then use the Skilled Trades Ontario Portal to update your information, pay fees or initiate other applications.”
skilledtradesontario.ca/skilled-trades-ontario-portal

Both provinces

Licensed in ManitobaMoving to Ontario
Licence status Certification required Voluntary certification
Regulator Apprenticeship Manitoba Skilled Trades Ontario
Guide Powerline technician in Manitoba Powerline technician in Ontario

Steps to transfer

  1. Apply by PDF form

    Source
    “If you have a certificate, license or credential from another Canadian province or territory and would like to obtain an Ontario Certificate of Qualification, please note that the Canadian certificate holder application is currently not available through the Skilled Trades Ontario Portal. You must use the PDF application form and email or mail your application to Skilled Trades Ontario.”
    skilledtradesontario.ca/skilled-trades-ontario-portal

Processing time: Not stated by the regulator Check with Skilled Trades Ontario

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