All temporary services shall be installed in rain tight switch or breakers. All receptacles shall be three-wire grounded by type in weatherproof enclosures. Service shall be grounded by means of an eight-foot driven ground rod, with Underwriter's Laboratory approved ground clamp and number four copper wire. Service installed on the public utility company's pole shall be in rigid conduit. Any other poles used shall be four feet of length below ground and at least 12 feet of length above ground, and shall have two braces.
(`95 Code, § 5-3-41)