EMT
EMT Bending Guide: Take-Up and Gain for 1/2, 3/4 and 1 in Benders, 90s, Offsets, Saddles, Kicks, Multiplier Table and the NEC 358.26 Bend Limit
The numbers a hand bender needs: take-up and gain by bender size, the offset multiplier and shrink table, three- and four-point saddle math, back-to-back and kick bends, the 360 degree rule between pull points, and the mistakes that put a bend in the wrong place.
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Conduit Fill Chart: Maximum THHN/THWN Conductors in EMT, Rigid and PVC by Trade Size, NEC Chapter 9 Tables 1, 4 and 5
How many THHN conductors fit in each size of EMT, rigid metal conduit and Schedule 40 PVC at the 40 percent NEC fill limit, the rules for one and two conductors, the nipple exception, and how to calculate fill for mixed sizes.
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EMT Compression vs Set-Screw Fittings: NEC 358, Raintight Ratings and Where Each One Passes Inspection
Set-screw fittings are cheaper and faster, compression fittings are wet-location rated. NEC 358, UL 514B and the difference between raintight and concrete-tight, with a fitting-by-location table.
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Rigid vs EMT Couplings: Threaded, Set-Screw, and Compression — Which Coupling for Which Raceway
EMT set-screw, EMT compression, rigid threaded, and rigid threadless compression couplings: what each joins, why EMT and rigid fittings never interchange (different ODs), and the NEC 344.42 / 358.42 bonding rules.
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EMT Support Spacing and Fastening: NEC 358.30, Straps, Hangers, and Strut Clamps
NEC 358.30 EMT support spacing (3 ft from boxes, 10 ft intervals, the two exceptions), rigid/IMC intervals by size, and how to choose between one-hole straps, two-hole straps, conduit hangers, and strut clamps.
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EMT Fittings Guide: Set-Screw vs Compression vs Raintight, and What NEC 358 Requires
Set-screw vs compression vs raintight EMT fittings: how each grips, what UL 514B, concrete-tight and raintight mean, and the NEC 358.42, 358.10, 300.4(G) and 250.97 rules that decide which fitting you can use.
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EMT Conduit Fittings: Complete Sizing & Selection Guide for Electricians (2026)
EMT (Electrical Metallic Tubing) is the most widely installed raceway in commercial and residential construction. Cho...
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EMT vs Rigid vs IMC Conduit: Complete Comparison for Electricians (2026)
EMT, rigid (RMC), and IMC each have distinct strengths and NEC requirements. This guide covers when to use each base...
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EMT Conduit Fittings: Complete Sizing & Selection Guide for Electricians (2026)
EMT (Electrical Metallic Tubing) is the most widely installed raceway in commercial and residential construction. Cho...
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