The following Product Service Codes (PSCs) are commonly associated with NAICS 221121, Electric Bulk Power Transmission and Control

PSC 5210 Measuring Tools, Craftsmen's

Products
Federal Category 5.3: Industrial Products & Services Hardware & Tools

Includes
Calipers; Levels; Micrometers; Plumb Bobs; Precision Tapes; Squares; Angle Gages; Center Gages; Depth Gages; Draw Gages; Drill Point Gages; Fillet and Radius Gages; Glaziers' Gages; Height Gages (Vernier); Planer Gages; Rivet Selector Gages; Saw Tooth Set Gages; Screw Pitch Gages; Surface Gages; Telescoping Gages; Thickness Gages; Tube Bead Gages; Tube Flare Gages; Twist Drill Gages; Twist Drill and Rod Gages; Twist Drill and Tap Gages; Taper-Wire-Thickness Gages; Wire Gages; Tool Setting Planer and Shaper Gages; Gage Blocks.

Notes
This class does not include special inspection gages, which are classified in class 5220.

Possible NAICS Codes
333991 – Power-Driven Handtool Manufacturing
444140 – Hardware Retailers
333515 – Cutting Tool and Machine Tool Accessory Manufacturing

PSC 6150 Miscellaneous Electric Power and Distribution Equipment

Products

PSC N061 Installation of Equipment—Electric Wire and Power Distribution Equipment

Services

PSC 6145 Wire and Cable, Electrical

Products
Federal Category 13.3: Electronic & Communication Equipment Electrical & Electronics Equipment

Includes
Insulated and Noninsulated, Wire and Cable, such as, Antenna Wire, Coaxial Cable, Fuse and Resistance Wire, and Magnet Wire.

Excludes
Radio Frequency Transmission Line (FSC 5985); Fiber Optic Cable (FSC 6015); Communication Cable Assemblies; (FSC 5995); Distribution and Power Transmission Cable Assemblies (FSC 6150).

Notes
This class includes only bulk electrical wire and cable. Excluded from this class are electrical wire and cable items of definite length either with processed ends, or terminated in fittings

Possible NAICS Codes
335929 – Other Communication and Energy Wire Manufacturing
331318 – Other Aluminum Rolling, Drawing, and Extruding
331420 – Copper Rolling, Drawing, Extruding, and Alloying
332216 – Saw Blade and Handtool Manufacturing
331491 – Nonferrous Metal (except Copper and Aluminum) Rolling, Drawing, and Extruding
335999 – All Other Miscellaneous Electrical Equipment and Component Manufacturing
335931 – Current-Carrying Wiring Device Manufacturing
238210 – Electrical Contractors and Other Wiring Installation Contractors
334416 – Capacitor, Resistor, Coil, Transformer, and Other Inductor Manufacturing
423610 – Electrical Apparatus and Equipment, Wiring Supplies, and Related Equipment Merchant Wholesalers