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EMT

EMT (Electrical Metallic Tubing) is a thin-wall steel raceway used to protect and route electrical wiring in exposed and concealed locations. The product family is defined by its construction: a continuously welded steel tube with a galvanized or stainless steel finish, supplied in nominal 10 ft lengths and trade sizes from 1/2 in through 3-1/2 in and larger. EMT is typically installed with compression, set-screw, or indenter fittings and is recognized for branch-circuit and feeder wiring in commercial, industrial, and institutional buildings. The tubing is listed to UL 797 and produced to ANSI C80.3 dimensions, which specify wall thickness, outside diameter, and coupling engagement. Because EMT is a raceway rather than a cable, it provides a grounded metallic path and physical protection against impact, moisture, and abrasion when installed with listed fittings and supports. 3G Electric supplies EMT conduit and related fittings as part of its electrical infrastructure line. The catalog includes standard galvanized steel EMT in trade sizes 1/2 in, 1-1/4 in, 2 in, 2-1/2 in, 3 in, and 3-1/2 in, each in 10 ft nominal lengths with a gray finish. Also available are 304 stainless steel EMT sections in 1/2 in and 2 in trade sizes with a polished finish, intended for environments where carbon steel corrosion is a concern. The fittings range covers elbows, clamps, and couplings to complete a raceway run. Buyers specifying EMT for a project typically evaluate trade size, wall thickness, finish, and length against the installation environment and the applicable electrical code. Galvanized steel is the default for indoor and protected outdoor work; stainless steel is selected for washdown, coastal, or chemically exposed areas. 3G Electric supports the line by stocking multiple trade sizes and finishes, providing manufacturer part numbers for cross-reference, and quoting project quantities. The company ships globally and works with plant engineers, maintenance managers, and procurement specialists to match conduit and fittings to the raceway schedule. For technical buyers, the relevant EMT attributes are straightforward: the steel substrate, the finish, the trade size, the nominal length, and the fitting compatibility. EMT is not a flexible raceway and is not intended for use where significant movement or vibration is expected; those applications call for flexible metal conduit or liquidtight flexible metal conduit. Within its intended scope, EMT offers a balance of mechanical protection, ease of bending and cutting in the field, and cost relative to rigid metal conduit. 3G Electric's EMT inventory is organized by SKU and manufacturer part number so that specifiers can verify dimensions and finishes before ordering. The catalog includes both standard galvanized and 304 stainless steel options, with trade sizes spanning small branch-circuit runs to larger feeder raceways. Fittings such as elbows, clamps, and couplings are listed alongside the conduit to simplify procurement. For projects requiring documentation, 3G Electric can provide part-number-level detail for submittals. The company's role is to supply the specified EMT products and fittings, not to design the raceway system; installation must follow the applicable electrical code and the authority having jurisdiction.

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About EMT

EMT (Electrical Metallic Tubing) is a thin-wall steel raceway used to protect and route electrical wiring in exposed and concealed locations. The product family is defined by its construction: a continuously welded steel tube with a galvanized or stainless steel finish, supplied in nominal 10 ft lengths and trade sizes from 1/2 in through 3-1/2 in and larger. EMT is typically installed with compression, set-screw, or indenter fittings and is recognized for branch-circuit and feeder wiring in commercial, industrial, and institutional buildings. The tubing is listed to UL 797 and produced to ANSI C80.3 dimensions, which specify wall thickness, outside diameter, and coupling engagement. Because EMT is a raceway rather than a cable, it provides a grounded metallic path and physical protection against impact, moisture, and abrasion when installed with listed fittings and supports. 3G Electric supplies EMT conduit and related fittings as part of its electrical infrastructure line. The catalog includes standard galvanized steel EMT in trade sizes 1/2 in, 1-1/4 in, 2 in, 2-1/2 in, 3 in, and 3-1/2 in, each in 10 ft nominal lengths with a gray finish. Also available are 304 stainless steel EMT sections in 1/2 in and 2 in trade sizes with a polished finish, intended for environments where carbon steel corrosion is a concern. The fittings range covers elbows, clamps, and couplings to complete a raceway run. Buyers specifying EMT for a project typically evaluate trade size, wall thickness, finish, and length against the installation environment and the applicable electrical code. Galvanized steel is the default for indoor and protected outdoor work; stainless steel is selected for washdown, coastal, or chemically exposed areas. 3G Electric supports the line by stocking multiple trade sizes and finishes, providing manufacturer part numbers for cross-reference, and quoting project quantities. The company ships globally and works with plant engineers, maintenance managers, and procurement specialists to match conduit and fittings to the raceway schedule. For technical buyers, the relevant EMT attributes are straightforward: the steel substrate, the finish, the trade size, the nominal length, and the fitting compatibility. EMT is not a flexible raceway and is not intended for use where significant movement or vibration is expected; those applications call for flexible metal conduit or liquidtight flexible metal conduit. Within its intended scope, EMT offers a balance of mechanical protection, ease of bending and cutting in the field, and cost relative to rigid metal conduit. 3G Electric's EMT inventory is organized by SKU and manufacturer part number so that specifiers can verify dimensions and finishes before ordering. The catalog includes both standard galvanized and 304 stainless steel options, with trade sizes spanning small branch-circuit runs to larger feeder raceways. Fittings such as elbows, clamps, and couplings are listed alongside the conduit to simplify procurement. For projects requiring documentation, 3G Electric can provide part-number-level detail for submittals. The company's role is to supply the specified EMT products and fittings, not to design the raceway system; installation must follow the applicable electrical code and the authority having jurisdiction.

Common Applications

  • Commercial buildings — Galvanized steel EMT conduit in trade sizes 1/2 in to 3-1/2 in for branch-circuit and feeder raceways in exposed and concealed locations.
  • Industrial plants — 304 stainless steel EMT conduit in 1/2 in and 2 in trade sizes for washdown or chemically exposed areas where carbon steel corrosion is a concern.
  • Outdoor installations — Galvanized steel EMT conduit with listed fittings and supports for protected outdoor raceway runs, subject to code requirements.
  • Data and telecommunications rooms — EMT conduit and elbows for routing low-voltage and power wiring in accessible ceiling spaces and equipment rooms.
  • Warehouse and manufacturing — EMT conduit, couplings, and clamps for lighting and power circuits in high-bay and production areas.
  • Institutional facilities — Standard EMT conduit in 10 ft lengths for schools, hospitals, and laboratories where a grounded metallic raceway is specified.

Frequently asked questions

Common questions about EMT from 3G Electric.

What trade sizes of EMT conduit does 3G Electric stock?

3G Electric lists standard EMT conduit in trade sizes 1/2 in, 1-1/4 in, 2 in, 2-1/2 in, 3 in, and 3-1/2 in, each in nominal 10 ft lengths. The 304 stainless steel EMT sections are listed in 1/2 in and 2 in trade sizes. Trade size refers to the nominal internal diameter used for fitting selection, not the actual outside diameter. For a complete raceway, select fittings and couplings that match the trade size and the conduit material. If a required size is not shown, contact 3G Electric with the trade size, finish, and quantity for a quote.

What is the difference between the galvanized steel and 304 stainless steel EMT options?

The standard EMT conduit is made of galvanized steel with a gray finish, which is the common choice for indoor and protected outdoor raceway installations. The 304 stainless steel EMT is polished and gray in color, and is selected where carbon steel would be subject to corrosion, such as washdown areas, coastal environments, or certain chemical exposures. Both are supplied in 10 ft nominal lengths and are used to protect and route electrical wiring. Stainless steel typically carries a higher material cost. Confirm the finish and trade size against the project specification before ordering.

What fittings are available for EMT conduit from 3G Electric?

3G Electric supplies EMT fittings including elbows, clamps, and couplings. These are used to connect conduit sections, change direction, and secure the raceway to the building structure. Fittings must match the conduit trade size and material, and must be listed for the application. For example, a 2 in trade size EMT requires 2 in fittings. The catalog lists fittings by SKU and manufacturer part number so they can be cross-referenced with the conduit. When ordering, specify the trade size, fitting type, and quantity. Contact 3G Electric if a specific fitting configuration is not shown.

Can EMT conduit be used outdoors?

EMT is permitted in outdoor locations where it is installed per the applicable electrical code and is not subject to physical damage. The galvanized steel finish provides some corrosion resistance, but in coastal, washdown, or chemically aggressive environments, 304 stainless steel EMT may be more appropriate. Fittings and supports must also be suitable for the environment. EMT is not a flexible raceway and should not be used where movement or vibration is expected. For outdoor installations, verify the requirements of the authority having jurisdiction and consider the finish and support spacing.

What does the manufacturer part number on EMT conduit indicate?

The manufacturer part number identifies a specific EMT product by trade size, material, finish, and length. For example, part number 583229 corresponds to a 1-1/4 in trade size galvanized steel EMT conduit in a 10 ft length, while S10510CT00 corresponds to a 1/2 in trade size 304 stainless steel EMT conduit in a 10 ft length. These numbers allow cross-referencing with project specifications and submittals. 3G Electric lists the manufacturer part number for each SKU so buyers can confirm the exact item before ordering. If you need to match an existing part number, provide it when requesting a quote.

What is the nominal length of EMT conduit supplied by 3G Electric?

The EMT conduit listed by 3G Electric has a nominal length of 10 ft. This is the standard length for EMT and is the dimension used for estimating raceway runs and support spacing. Actual length may vary slightly due to manufacturing tolerances and coupling engagement. When planning a run, account for the coupling and fitting take-up. If a project requires a different length, contact 3G Electric to confirm availability. The 10 ft nominal length applies to both the galvanized steel and 304 stainless steel EMT options in the catalog.