

Ships same day if ordered by 12 pm
Manufacturer pricing rules prevent us from advertising our discount — no account or email required to see it.
Secure Payments
Easy Returns
Expert Advice
Fast Shipping
The ERICO 559681 is a low voltage standoff insulator designed to support and isolate conductors or bus bars in electrical installations. Built to imperial dimensions, it features a 2 inch body length, a 2 inch hex width for wrench engagement, a 2.31 inch overall height, and a 1/2 UNC threaded connection. This type of insulator is typically installed by licensed electricians in panel, switchgear, and bus duct applications where conductors must be held away from grounded surfaces without creating a conductive path.
This standoff insulator is suited for low voltage electrical assemblies in both residential and commercial settings. It is commonly used in panelboard fabrication, switchgear enclosures, and electrical equipment assemblies where firm mechanical support and reliable electrical isolation are required. The 1/2 UNC thread makes for straightforward threaded mounting into standard hardware.
Designed as an OEM-style replacement or direct-install standoff insulator for low voltage electrical panel, switchgear, and bus duct assemblies using 1/2 UNC threaded mounting hardware.
Installation should be performed by a qualified electrician in accordance with applicable NEC requirements. De-energize and lockout/tagout the electrical panel or assembly before installing or replacing standoff insulators. Use an appropriately sized wrench on the hex width to tighten the insulator without cracking the insulating body. Do not overtighten, as excessive torque can damage the insulator material and compromise electrical isolation.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
Add install kit to cart
—
Thanks for subscribing!
This email has been registered!