# What is the OD of EMT?

Contents

## Is EMT conduit ID or OD?

Electrical Metallic Tubing (EMT) – Thinwall Conduit

(in) (mm) (in)
1/2 16 0.622
3/4 21 0.824
1 27 1.049

## What is the OD on 1 2 EMT?

ACTUAL OUTER DIAMETER

THIN WALL INCH SIZE (E.M.T.) ACTUAL OUTSIDE DIAMETER
1/2″ = .706″
3/4″ = .922″
1″ = 1.163″
1 1/4″ = 1.503″

## What is the OD of 3/4 electrical conduit?

Schedule 40

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 size is EMT conduit?

Electrical Metallic Tubing (EMT) and True Color EMT

Trade Size Metric Approx Weight/100 Ft (30.5M)
1/2 16 13.60
3/4 21 20.90
1 27 30.40
1 1/4 35 45.80

## Is EMT a Schedule 40?

x 10 ft., SCH 40, Galvanized Steel.

## 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.

## 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.

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