Best answer: What is the ID of 1 1 2 EMT?

What is the outside diameter of 1 1/2 inch electrical conduit?

Conduit is used to protect and support electrical wires.

1/2 0.622 0.706
3/4 0.824 0.922
1 1.049 1.163
1-1/4 1.379 1.509

Is conduit size ID or OD?

The ID and OD

This is a fixed number that can not be deviated from. For instance, a 1-inch rigid conduit will have an ID of 1.063 inch nominal while a 1 inch intermediate metallic conduit will have an ID of 1.12 inch nominal, yet both have the same knockout size of 1.375 inches.

What is the outside diameter of inch and 1/2 EMT?


1 1/2″ = 1.738″
2″ = 2.195″
2 1/2″ = 2.875″
3″ = 3.500″

What is the inside diameter of 1 1 4 PVC pipe?

Schedule 40 PVC Pipe Dimensions Chart

Nominal Pipe Size O.D. Average I.D.
1″ 1.315 1.029
1-1/4″ 1.660 1.360
1-1/2″ 1.900 1.590
2″ 2.375 2.047
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Is PVC conduit measured ID or OD?

PVC Pipe is identified by the ID (Inside Diameter) and is referred to as a “nominal” size which means “in name only.” However this confuses people and most novices try to use the OD (Outer Diameter) to order parts.

Can Schedule 40 PVC be used for electrical conduit?

Schedule 40 PVC Conduit is used in walls, floors and ceilings in accordance with NEC 352. According to NEC 352 it can also be buried directly into the earth, encased in concrete, and used in areas exposed to direct sunlight. … Regular PVC Cement is too aggressive to use with ENT Flexible Conduit.

How do you measure electrical conduit size?

Calculate the total diameter of the wires to determine the diameter of the conduit when placing wires of different gauge and type inside the conduit. Find the wire diameter in table 5 for each gauge wire and type. Multiply the number of wires for each gauge and type by the wire diameter. Total the results.

What is the id of 1.5 conduit?

Electrical Metallic Tubing (EMT) – Thinwall Conduit

Conduit Trade Size Inside Diameter
(in) (mm) (in)
1 27 1.049
1 1/4 35 1.380
1 1/2 41 1.610

What does conduit size mean?

Conduit fill, also known as raceway fill, is the amount of a conduit’s cross-sectional area occupied, or filled, by a cable or multiple cables. The fill is based on the cable outside diameter (O.D.) and the conduit inside diameter (I.D.).

What is the OD of 3/4 electrical conduit?

Schedule 40

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Trade Size Average OD (in) Minimum Average ID (in)
1/2 0.840 0.578
3/4 1.050 0.780
1 1.315 1.004
1-1/4 1.660 1.335

What is the OD of 1/2 flex conduit?


Application Provides resistance to physical damage from impact or crushing
Inner Diameter 0.625″ – 0.645″
Length 50 ft
Material Steel
Outer Diameter 0.860″ – 0.920″

What sizes does EMT conduit come in?

Most EMT is steel, galvanized on the outside and painted on the inside with an organic coating. It is also available in aluminum and some copper alloys, generally for use in special environments, and with the exterior coated with PVC. It is sold in nominal 10- and 20-foot lengths, usually ten.