knockout plug for sale, brand-new and used.

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GOULD ITE BD BUSS PLUG BOS14351 30 amp 600 volt 3 phase 3 wire Used item. One knockout open at top. Nice item, ready to go.

This is a Square D PQ3606G fusible bus plug switch rated for 60A at 600VAC. It is 3P/3W with a ground. It comes with three 30A fuses and adapters.

System Sensor D4120 4 Wire Photoelectric Low-Flow Duct Smoke Detector The SYSTEM-SENSOR-D4120 4-wire photoelectric, low-flow, duct smoke detector senses smoke in the most challenging conditions, operating in airflow speeds of 100 to 4,000 feet per minute, temperatures of -4 degrees F to 158 degrees F, and a humidity range of 0 to 95 percent (non-condensing). A plug-in sensor head offers improved false alarm immunity and simple installation, testing, and maintenance.

Reliance Controls PB30 L14-30 30 Amp Generator Power Cord Inlet Box For Up To 7,500 Watt Generators Free 2Day Shipping

The Reliance Controls 30 Amp power inlet box is designed for outdoor use and can be hardwired directly to Reliance Controls transfer switches or panels, eliminating need for cords running through windows or doors. This rain-tight, rust-proof unit includes an NEMA L14-30P inlet plug, six knockout holes, and push-in wire connections.

4-wire photoelectric low-flow duct smoke detector The InnovairFlex™ Series are the only duct smoke detectors flexible enough to fit configurations from square to rectangular and everything in between. The InnovairFlex D4120 4-wire photoelectric duct smoke detector features a pivoting housing that fits both square and rectangular footprints and mounts to round or rectangular ductwork. This unit senses smoke in the most challenging conditions, operating in airflow speeds of 100 to 4,000 feet pe

MORRIS 21723 Knockout Plug 1" One Inch *PRICE PER PLUG*

MORRIS 21722 Knockout Plug 3/4" *PRICE PER PLUG*