CONDUIT INTRODUCTION
--- Part Category: Conduit ---
Electrical Home Repair Hardware Section
Complete reference, encyclopedia and consumer guide
for do-it-yourself, diy, homeowners and building contractors
From The Illustrated Hardware Book by Tom Philbin
Descriptions and explanations of about 500 common store items including electrical and plumbing materials for home improvement, repair, remodeling, construction, house projects with little known how-to tips and information

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CONDUIT INTRODUCTION

In general, conduit is a hollow tube or pipe that comes in various forms and materials and through which insulated electrical wire is run.

There are limits to how many wires may be pulled through conduit, depending on the diameter of the pipe and the wire sizes. The thicker the wire, the fewer wires are allowed. Check with your local building department to find out how many wires are permitted in a given size of conduit.

THIN-WALL (EMT) CONDUIT

EMT conduit, electrical hardware

Description: This thin-walled pipe, also called EMT (for electric metallic tubing), comes in an internal diameter of 1/2 inch to 4 inches and even larger, and in l0-foot lengths. The 1/2-inch diameter is most commonly used.

Buying information: EMT is normally used inside the house, such as along a garage wall or in basement workshop wiring. It is not practical to install the material inside existing walls, because they must be opened up to do so. It is secured to boxes with EMT connectors -- formed metal pieces held together by pairs of screws.

How-to hints: EMT should not be buried in the ground or exposed where it can be struck, such as by a lawn mower. Thin-wall is often used outside, but we do not feel it is made for this (its walls are only 1/16 inch thick).

Thin-wall can be bent easily with a device called a hickey and cut with a hacksaw. It can be mounted on walls securely with straps (see later section).

A variety of fittings are available that allow EMT to make turns without having to bend it, and they are secured with EMT connectors.


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ELECTRICAL HOME HARDWARE SECTION
Description of Contents

Introduction
Boxes
Circuit Breakers
Conduit
Cord Sets
Fuses
Lamp Parts
Light Fixtures
Plugs
Receptacles
Switches
Taps
Wall Plates
Wire

OTHER HARDWARE SECTIONS
GENERAL HARDWARE SECTION
PLUMBING
ADHESIVES, PATCHES & MORE
SAFETY


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The Illustrated Hardware Book
Content Copyright © by Tom Philbin 1992
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