Electrical Conduit

Conduit or Electrical Conduit is a pipe or tube that houses electrical wires for a variety of applications. Electrical Conduit protects the wires in the tube as well as individuals who get close to the wires. Local building codes and the US National Electrical Code (NEC) determine what conduit can and should be used for certain installations.

Types of Electrical Conduit

• Fiberglass Electrical Conduit
• Rigid Metal Conduit
• Galvanized Rigid Conduit
• PVC Conduit
• Electrical Metallic Tubing

An alternative to PVC Conduit is Fiberglass Conduit. We're set up as a distributor with Champion Fiberglass to distribute fiberglass conduit. It's currently priced below PVC conduit, has a shorter lead time, corrosion proof and impact resistant.

What nominal size conduit is required?

3/4" x 10' (Avail. IPS only)   

1" x 10' (Avail. IPS only)  

1-1/4" x 20' (Avail. IPS only)  

1-1/2" x 20' (Avail. IPS only) 

2" x 20' 

2-1/2" x 20'

3" x 20'

3-1/2" x 20' (Avail. ID only)  

4" x 20' 

4-1/2" x 20' (Avail. ID only)

5" x 20' 

6" x 20'

8" x 20' 

10" x 20' (Avail. ID only)

12" x 20' (Avail. ID only)

What type of conduit is required?

A = IPS Below Ground (Iron Pipe Size) 

B = ID Below Ground (Tubular) 

C = IPS Above Ground (Most Common) 

D = ID Above Ground 

E = IPS Phenolic (Meets NFPA 130) 

F = ID Phenolic (Meets NFPA 130) 

G = IPS Below Ground – grey in color 

H = ID Below Ground – grey in color

I = IPS Above Ground – grey in color 

J = ID Above Ground – grey in color 

Note: Above Ground conduit can be used Below Ground.

What wall thickness is required?

SW = Standard Wall (UL 3/4"–4")

(Most common)

MW = Medium Wall (UL 5" and 6")

Used for more protection in 5" and 6"

HW = Heavy Wall

Used for increased protection in 4"–8"

XW = Extra Heavy Wall (UL 3/4"–6")

Highest level of physical protection

Bullet resistant

Class I, Division 2 and Class I, Zone 2 Applications

SW applies in most cases > unless:

1. Class I, Division 2 then XW Conduit is required

2. Extra physical protection is required

3. UL is required, then see catalog for UL listing

4. Size of conduit

5. Specifications (i.e. DOT)

6. Extreme environments

Note: Reference Duct Catalog

What joint type is required?

Interference Joint (Most Common) Straight Socket

Above Ground and Below Ground Available in 3/4"–12" IPS

Available in 2"–8" IPS Available in 3/4"–12" XW

Available in 2"–12" ID

Gasket Joint

Below Ground or constant temperature environment

Available in 3/4"–8" IPS

Available in 2"–6" ID

 

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