Class covers conduit bending techniques for
rigid conduit using mechanical and hydraulic benders. Bending methods will
include push-through bending, segment bending and concentric bending
techniques.
Chapter Headings:
Rigid Metal Conduit
Types
of material (Aluminum, steel, Copper, Bronze, etc.)
Standard
sizes
Rigid Pipe Benders
Hand
bending with a Hickey
Mechanical
(Chicago style)
benders
Hydraulic
Electric
“Chicago” type Bender Methods
Amount
of travel method
Finding Total Pipe Length Required
Gain
Shrink
Push-Through Bending
Constants
for Rigid pipe
Prepositioning Saddles
Three Bend
Saddles using “Chicago”
style benders
Hydraulic Benders
Identify
parts of the bender
Segment
shoes
One-shot
shoes
Bending tips for Aluminum Rigid conduit
Layout for Segment Bending
Segment Bending Techniques
Using
a Degree Protractor
Magnetic
Angle Finder
Amount
of Travel Method
Number
of Pumps Method
Segment Offsets
Concentric Bending
Intermediate Metal Conduit (IMC)
Rigid PVC Conduit
Finding an Unknown Radius
(Approved for Journeyman upgrading in WA, ID, OR, MT, WY, AK and any other
state that is signatory to the Electrical Reciprocal Agreement)
