Cut Sheet

Conduit Bushings for Rigid Metal Conduit and IMC
Applications
• UsedwithalocknuttoterminaterigidmetalconduitorIMC
conduittoaboxorenclosure.
Features
• Providesasmoothpullingsurface.
Material/Finish
• BU:malleableiron/zincelectroplated
• BBU:impactresistantplasticorthermoplastic
Certifications and Compliances
• ULStandard:514B
• ULListed:E14814
• CSAStandard:C22.2No.18.3
• CSACertied:065178
• NEMA:FB-1
Catalog
Number
Trade Size
(Inches)
Dimensions
in Inches/Millimeters
Weight
Lbs./Kgs.
Per 100 Diameter Height
Threaded Bushings — Malleable Iron, Zinc Electroplated
BU50 1/2 1.03/26.2 0.38/9.7 3.00/1.36
BU75 3/4 1.25/31.8 0.44/11.2 4.00/1.81
BU100 1 1.56/39.6 0.50/12.7 7.00/3.18
BU125 1-1/4 2.00/50.8 0.63/16.0 13.00/5.90
BU150 1-1/2 2.16/54.9 0.63/16.0 14.00/6.35
BU200 2 2.63/66.8 0.63/16.0 19.00/8.62
BU250 2-1/2 3.19/81.0 0.75/19.1 43.00/19.50
BU300 3 3.81/96.8 0.94/23.9 56.00/25.40
BU350 3-1/2 4.44/112.8 0.94/23.9 76.00/34.47
BU400 4 4.94/125.5 1.06/26.9 109.00/49.44
BU500 5 6.00/152.4 1.19/30.2 144.00/65.32
BU600 6 7.38/187.5 1.31/33.3 243.00/110.22
Threaded Bushings — Insulated — 150 °C Temperature Rating — Malleable Iron, Zinc Electroplated
BU50I 1/2 1.19/30.2 0.50/12.7 4.00/1.81
BU75I 3/4 1.44/36.6 0.56/14.2 6.00/2.72
BU100I 1 1.75/44.5 0.63/16.0 9.00/4.08
BU125I 1-1/4 2.13/54.1 0.75/19.1 10.00/4.54
BU150I 1-1/2 2.31/58.7 0.88/22.4 19.00/8.62
BU200I 2 2.81/71.4 0.94/23.9 24.00/10.89
BU250I 2-1/2 3.38/85.9 1.00/25.4 47.00/21.32
BU300I 3 4.06/103.1 1.13/28.7 60.00/27.22
BU350I 3-1/2 4.50/114.3 1.19/30.2 69.00/31.30
BU400I 4 5.19/131.8 1.31/33.3 100.00/45.36
BU500I 5 6.06/153.9 1.31/33.3 200.00/90.72
BU600I 6 7.25/184.2 1.31/33.3 243.00/110.22
Commercial Products
CommerCial ProduCts: rigid and imC Fittings
Visit our website at www.appletonelec.com or contact us at [phone].
© November 2011
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