N.J. Stat. § 40:74-8: When submission unnecessary

No petition or submission to the vote of the electors shall be necessary to authorize the undertaking or completion of any work, the purchase or construction of any public utility or improvement, which any municipality may be authorized by law to undertake, purchase or construct, or to authorize the borrowing of money and the issuance of bonds or other obligations for any purpose for which any municipality may be authorized by law to issue bonds or other obligations.