Panasonic 1" EMT Pipe, measuring 25.4mm x 10 feet, is Electrical Metallic Tubing that is Listed by UL (Underwriters Laboratories) under File No. E-44051.

Here's a breakdown of the product and its UL certification:

• EMT (Electrical Metallic Tubing): This is a type of unthreaded, thin-walled steel conduit used to protect and route electrical wiring.¹ It is a lightweight and cost-effective alternative to threaded rigid conduit (RMC) or intermediate metal conduit (IMC).² EMT is typically installed using set-screw or compression-type fittings, as it cannot be threaded.

   

• 1 inch (25.4mm): This is the nominal trade size of the conduit. The 25.4mm is the direct metric equivalent of the 1-inch nominal size.³

   

• 10 Feet (3 Meters): This is the standard length in which EMT conduit is typically sold.

UL Standard E-44051:

This UL file number specifically refers to Electrical Metallic Tubing (EMT).4 When a product like Panasonic EMT conduit is "Listed by UL File No. E-44051," it means that Underwriters Laboratories has tested and evaluated the product and determined that it meets the safety standards for EMT, primarily UL 797 - Standard for Electrical Metallic Tubing - Steel.

Key characteristics and applications of Panasonic EMT Pipe with UL E-44051 certification:

• Material: Usually made from galvanized steel for corrosion resistance, with an additional high-grade stoved epoxy resin coating on the inside wall for easy wire pulling and further corrosion protection.

• Safety Compliance: The UL listing (E-44051, meeting UL 797 standards) indicates that the conduit has been rigorously tested for safety, including aspects like mechanical strength, corrosion resistance, and electrical continuity, ensuring it provides reliable protection for electrical conductors.⁵

   

• Protection: Provides excellent protection for enclosed conductors against impact, crushing, and electromagnetic interference.

• Flexibility: While rigid, it can be bent using a conduit bender, allowing for changes in direction during installation without cracking due to Panasonic's high-quality steel and high-frequency induction welding process.⁶

   

• Lightweight: Easier to handle and install compared to RMC or IMC.

• Cost-effective: Generally less expensive than heavier conduit types while still offering certified protection.⁷

   

• Applications: Commonly used in exposed or concealed installations in commercial, industrial, and residential buildings. It's suitable for indoor dry locations and can be used in wet locations when installed with raintight fittings. The certification ensures its suitability for these electrical raceway systems.