Description
Product Overview
The GOUNENGNAIL GRBARCPP is a heavy‑duty copper grounding bar designed for wall mounting in a variety of electrical environments. Featuring twelve 0.31‑inch spaced terminals, the bar provides ample connection points for grounding conductors, bus bars, and lightning protection leads. Made from tinned copper with a 14‑gauge thickness, it delivers excellent conductivity and corrosion resistance. The unit measures 10 inches in length, 2 inches wide, and 0.25 inches thick, and includes SM40 polyester insulators that comply with UL certification (QMFZ2.E252110) for up to 7.4 kV impulse rating. Pre‑assembled terminal bolts are packaged ready to install, reducing on‑site preparation time.
Usage
This grounding bar is ideal for installation in high‑power distribution cabinets, low‑voltage control panels, ham radio stations, and any application requiring a reliable earth connection. It serves electricians, system integrators, and hobbyists who need a sturdy, UL‑listed grounding solution that can be quickly mounted on a wall or panel. The 12‑position layout accommodates a range of wire sizes, making it suitable for both heavy‑current grounding and signal shielding tasks.

Why Choose Us
GOUNENGNAIL combines decades of grounding and lightning protection expertise with rigorous UL testing to ensure safety and performance. Each bar is manufactured under strict quality controls, guaranteeing consistent dimensions and material integrity. The pre‑assembled bolts eliminate the risk of loose connections, while the tinned copper finish protects against oxidation in harsh environments. Our commitment to reliable grounding solutions has earned a 4.8‑star rating from over 200 verified customers.
Key Features
- 12 precisely spaced terminals with 0.31″ pitch for versatile wiring options
- Heavy‑duty tinned copper construction ensures high conductivity and corrosion resistance
- UL‑certified insulators rated up to 7.4 kV for superior safety
- Wall‑mount design with pre‑assembled terminal bolts for fast, mess‑free installation
- Trusted brand with a 4.8‑star rating and proven performance in industrial and hobbyist applications
FAQ
What wire gauge can be used with this ground bar?
The 14‑gauge copper construction comfortably handles wire sizes from 12 AWG to 10 AWG, making it suitable for most grounding and bonding applications.
Is the product UL certified?
Yes, the bar and its insulators meet UL standards (certificate No. E548063) and are rated for impulse voltages up to 7.4 kV.
Can this bar be used outdoors?
While the copper and insulators are corrosion‑resistant, we recommend installing the bar in a protected enclosure for outdoor use to extend its service life.
How many terminals are pre‑wired?
All twelve terminals come with pre‑assembled bolts, ready for immediate connection without additional threading.
What is the warranty period?
GOUNENGNAIL offers a one‑year limited warranty covering material and workmanship defects.




Siemens HD Type 1 30A Circuit Breaker 3 Pole
Reviews
There are no reviews yet.