Section 657: Poles, arms, standards and bases

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Item​​ numberDescriptionProduct nameManufacturer/
vendor		Date approved​
657.0100Pedestal basesTP358Traffic & Parking Control Co., Inc.May 30, 2017
Alloy Castings Co., Inc.Dec 2, 2013
Component Products Inc.July 28, 2021
​​​ ​Akron Foundry Co​July 11, 2018
​​ ​PB 18205​​​Flag Pole / P&K Tubular Products, Inc.May 31, 2022
657.0205-0255Transformer bases breakaway bolt circle (all sizes)Traffic & Parking Control Co., Inc.Dec 2, 2013
all sizesTB1-17, TB2-17, TB3-17Akron Foundry Co.Dec 2, 2013
657.0205Transformer Base 13-15 inch bolt circle08R1315B17W, 10R1315B17WValmont Industries, Inc.May 15, 2015
​​​TB1​Hapco​May 30, 2017
​657.0210Transformer Base 15-17 inch bolt circle​10R1517B17WValmont Industries, Inc.May 15, 2015
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​​TB3
​Hapco
​May 30, 2017
​TB3​Flagpole​May 30, 2017
​657.0255Transformer Base 11 1/2 inch bolt circle​08R1012B17W​Valmont Industries, Inc.​May 15, 2015
​​​TB2​Hapco​May 30, 2017
​​​​TB2​Flagpole​May 30, 2017
657.0300PolesDec 2, 2013

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Contact: DOTelectrical@dot.wi.gov​​​