<h2>Overview</h2>
<p>The <strong>Thomas & Betts 691-TB</strong> is a 3/4″ conduit support designed to securely hold and position electrical conduit in industrial, commercial, and residential installations. Manufactured from malleable iron, this support provides a rigid mounting point for EMT (electrical metallic tubing), IMC (intermediate metal conduit), and rigid metal conduit systems. With a box of 10 units, the 691-TB offers a cost-effective solution for large projects or bulk stocking requirements.</p>
<h2>Key Features</h2>
<ul>
<li>3/4″ trade size compatibility with EMT, IMC, and rigid conduit</li>
<li>Malleable iron construction for strength and long service life</li>
<li>UL listed and CSA certified for electrical installations</li>
<li>Compact, space-saving design for wall and structural mounting</li>
<li>Bulk box of 10 supports reduces material handling and ordering overhead</li>
<li>Corrosion-resistant finish for indoor and light outdoor applications</li>
</ul>
<h2>Technical Specifications</h2>
<ul>
<li><strong>Conduit Size:</strong> 3/4″ (nominal trade size)</li>
<li><strong>Material:</strong> Malleable Iron</li>
<li><strong>Quantity:</strong> Box of 10</li>
<li><strong>Compatibility:</strong> EMT, IMC, Rigid Metal Conduit</li>
<li><strong>Certifications:</strong> UL Listed, CSA Certified</li>
<li><strong>Manufacturer:</strong> Thomas & Betts (ABB)</li>
<li><strong>Part Number:</strong> 691-TB</li>
</ul>
<h2>Typical Applications</h2>
<p>The 691-TB conduit support is widely used in:</p>
<ul>
<li>Industrial electrical installations and plant facilities</li>
<li>Commercial building wiring and conduit runs</li>
<li>HVAC and mechanical system roughing</li>
<li>Electrical panel and enclosure conduit entries</li>
<li>Equipment mounting and cable management</li>
<li>Retrofit and maintenance projects requiring code-compliant conduit support</li>
</ul>
<h2>Compatibility & Replacements</h2>
<h3>Compatible With</h3>
<ul>
<li>Electrical metallic tubing (EMT) — 3/4″ diameter</li>
<li>Intermediate metal conduit (IMC) — 3/4″ diameter</li>
<li>Rigid metal conduit (RMC) — 3/4″ diameter</li>
<li>Standard electrical installations per NEC Chapter 3</li>
</ul>
<h3>Replaces / Drop-In Replacement For</h3>
<ul>
<li>Earlier Thomas & Betts 691-TB units (same part specification)</li>
<li>Generic or unbranded 3/4″ conduit supports of equivalent specification</li>
</ul>
<h3>Works With</h3>
<ul>
<li>Standard fastening hardware (bolts, screws, anchors)</li>
<li>Wood, steel, and concrete substrates with appropriate anchors</li>
<li>All NEC-compliant conduit systems and fittings</li>
</ul>
