MEGA MC Cable Installation & Application Guide - Southwire
MEGA MC Cable Installation & Application Guide - Southwire
MEGA MC Cable Installation & Application Guide - Southwire
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page 1<br />
Section 1. pre-order, pre-installation Check List<br />
Like conduit, <strong>MC</strong> installations must look neat and workmanlike for owner satisfaction, as well as code<br />
compliance. Plan for runs that lie either parallel or perpendicular to walls. Keep groups of cable evenly<br />
spaced and parallel around bends. In the end, total labor for an attractive <strong>MC</strong> installation will be significantly<br />
lower than an equivalent pipe-and-wire application.<br />
The following questions must be answered before installing <strong>MC</strong> feeders. This section will cover each of<br />
these items in more detail.<br />
Will insulated conductors and grounds be copper or aluminum alloy?<br />
What size feeders and what length will be required? How many conductors will be required<br />
in each <strong>MC</strong> cable?<br />
Will any of the <strong>MC</strong> cables be used for parallel runs?<br />
NOTE: This is very important! Each <strong>MC</strong> cable in a parallel run must have the correct ground<br />
conductor included inside the <strong>MC</strong> cable. If the grounds are undersized, the cables will not meet<br />
code and the installation will be rejected by the electrical inspector.<br />
Will any of the <strong>MC</strong> cables be direct-buried or encased in concrete?<br />
What type <strong>MC</strong> fittings will be required?<br />
What is the maximum size reel that you can handle on the job site?<br />
What type of support system will be used?<br />
How many bends will be required? Will radius rollers or sheave wheels be required?<br />
deteRMining ConduCtoR R type types<br />
<strong>Southwire</strong> is the only manufacturer that presently has the capability to manufacture <strong>MC</strong> feeders with<br />
conductors using either copper or 8000 Series aluminum alloy in sizes ranging from 8 AWG to 750 kcmil.<br />
Copper conductors<br />
<strong>Southwire</strong>’s <strong>MC</strong> cable with copper conductors is manufactured with soft-drawn copper, type THHN/<br />
THWN conductors rated 90°C dry/75°C wet.<br />
number of insulated conductors—Standard <strong>MC</strong> cables are available with either three or four<br />
insulated conductors. Custom cables are available.<br />
Conductor sizes—Copper conductors are available in sizes 1 AWG through 750 kcmil.<br />
bare or insulated ground conductors—<strong>MC</strong> cable assemblies that use copper conductors sized 1/0<br />
AWG and larger will have bare copper ground conductors as standard construction. <strong>Cable</strong>s that use<br />
copper conductors 1 AWG or smaller have green insulated ground conductors as standard construction.<br />
Insulated ground conductors or additional ground conductors can be supplied in any <strong>MC</strong> cable.<br />
<strong>Southwire</strong> <strong>MC</strong> inStallation <strong>Guide</strong> section 1. pre-order, pre-instAllAtion check list
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