(1) at any time prior to 30 days before any primary or general election and after 5 days from such election, investigate all questions relating to the registration of electors in his election district, and, for that purpose, enter and inspect any house, dwelling, building, inn, lodginghouse or hotel in such district, and interrogate any inmate, householder, lodger, lessee, keeper, caretaker, owner, proprietor, or agent therein, regarding any person residing or claiming to reside thereat or therein; provided, that no such entry, inspection or interrogation shall be made except upon warrant issued by a judge of a court of record. A warrant shall issue only on an affidavit sworn to before the judge by a person who has been duly appointed as a member of a board of elections or an inspector of registration setting forth the purpose and necessity for the same, a description of the premises to be entered, and the name of the registered elector or applicant for registration, residing or claiming to reside therein who is being investigated. If the judge is satisfied that sufficient grounds for the warrant exist, he shall issue the same identifying the registered elector or applicant for registration who is being investigated, the premises to be entered, and the parts thereof, if any, to be inspected. Any entry, inspection or interrogation hereunder shall be made only in the daytime between the hours of 8 a.m. to 6 p.m., except upon a satisfactory showing to the judge that the information sought could not be obtained except at other times.
(2) inspect in like manner and copy any register of lodgers in any lodginghouse, inn or hotel relating to or affecting the right of any person to vote or to be registered in such district; and
(3) call on any police or peace officer within the district to assist him in the maintenance of peace at any place of registration or in making any arrest.