I can't find conductors type for this clamp. is it approved for both cu/al?

Yes. This is approved accessory for Siemens Ground bars only and accepts #14-1/0 AWG copper/aluminum wire

what are the external dimensions

This information is not published as this product is not intended for OEM use or use outside of applicable / approved Siemens devices in saying that we can provide dimensions of prong ID= .15" OD=.53" and 14 - 2/0 AWG ID=.43"

Will this work to replace the grounding wire in a vehicle? I am needing to extend mine after replacing battery terminal clamp.

No it is only for a electrical panel. It would be easiet to go buy a longer ground wire form a auto store.

Is there any reason why this shouldn't be used on a neutral bar if it fits the spacing?

Since Siemens lists this specifically as a lug for use with the Ground Bar, we cannot advise this can be used with as/with Neutral bar connections. The lug may not have been UL tested with neutral bar connections.

Eccs1 Ground Bar Collar Strap 12 2 0

Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

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Fully operational. Shipping worldwide, on schedule.Customs & duties included in the price

Help Track order

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Description

⚡ Ground your setup with certified confidence!

TRUSTED QUALITY - Backed by Siemens with a 1-year parts warranty
CERTIFIED SAFETY - ANSI, CSA, and UL listings ensure top-tier reliability
ROBUST WIRE SUPPORT - Handles a wide range of copper/aluminum wire gauges (#12-2/0 AWG)
LIGHTWEIGHT COMPACT - Only 0.48 oz with a sleek 3.54 x 5.12 x 12.59 inch profile
UNIVERSAL COMPATIBILITY - Fits Siemens GB type ground bars seamlessly

The Siemens ECCS1 Ground Bar Collar Strap is a certified, durable accessory designed for Siemens GB type ground bars. Compatible with #12-2/0 AWG copper and aluminum wires, it ensures safe, reliable grounding with ANSI, CSA, and UL certifications. Lightweight and compact, this aluminum and copper strap offers professional-grade quality backed by a 1-year warranty.

Specifications

ASIN	B000VYOW04
Batteries Included?	No
Batteries Required?	No
Best Sellers Rank	#55,688 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #26 in Breaker, Load Center & Fuse Accessories
Color	Metal
Customer Reviews	4.7 4.7 out of 5 stars (424)
Date First Available	March 31, 2009
Included Components	2/0 Collar Strap, Installation Instructions
Is Discontinued By Manufacturer	No
Item Package Quantity	1
Item Weight	0.48 ounces
Item model number	ECCS1
Manufacturer	Siemens
Material	Aluminum, Copper
Number Of Pieces	1
Part Number	ECCS1
Product Dimensions	3.54 x 5.12 x 12.59 inches
Shape	Square
Warranty Description	1 year - parts only

Reviews

L**A

Good price

Got this instead of the expensive “kit” for connecting solar cables to the electrical panel. Works perfectly.

3.07.2026

T**N

Ground lug

Great product as described

18.03.2026

A**4

Worked Great!

Worked Perfect for some electrical work we were doing at home.

30.03.2026

L**E

This fits many ground or neutral bars

Look at the pic , could be used for larger ground or neutral connection in many boxes

3.07.2026

C**X

Work

They do what you need them to.

12.10.2024

S**�

Buena calidad igual al de la foto..

Excelente igual a la de la imagen, funciona excelente...

17.03.2026

S**Z

Grapa

Muy útil

12.01.2026

H**M

Electrician

Great

30.09.2025

T**O

Works as intended

You need one of these if you are installing a proper ground on a sub-panel

1.01.2017

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HK$74

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ECCS1 Ground Bar Collar Strap #12-2/0

Description

Specifications

Reviews

Common Questions