You may also like
AL PARAGRV CLAMP 1-2BOLT 400-1/0
Manufacturer Resources
Product Specs
- Connection Type:
- Bolted
- Country Of Origin:
- India (IN)
- Insulation Material:
- None
- Number Of Conductors:
- 2
- Product Group:
- Grounding & Bonding
- Product Type:
- Parallel-Groove Clamp
- Selling Unit Of Measure:
- each
- Type2:
- Wire or cable compression splice
- Department:
- Electrical
- Product Subgroup:
- Ground Clamps
- Product Size:
- Bolt Head 3/4 inch, Bolt Size 1/2 inch, Height 3-1/4 X Length 3-3/4 X Width 2-1/2 inch
- Installation Category:
- None
- Product Material:
- Aluminum
Blackburn PAA400 – Frequently Asked Questions
1) Can I use an aluminum parallel groove clamp on copper conductors?
The PAA400 body is aluminum. Aluminum-bodied parallel groove clamps are made for aluminum-to-aluminum connections unless the clamp is specifically marked AL9CU dual rated. Nothing in the PAA400 record states a copper rating, so treat it as an aluminum conductor connector and use a dual rated or tin plated bronze clamp where copper is involved.
2) What size wrench or socket do I need to install the PAA400 clamp?
Two 1/2 inch bolts with 3/4 inch hex heads, so a 3/4 inch socket or wrench does the job. It is a 1-2 bolt parallel groove clamp, bolted rather than compression, so no hydraulic tool or die set is needed to make the connection.
3) How much room do I need in the enclosure or on the pole for this clamp?
Overall size is Height 3-1/4 by Length 3-3/4 by Width 2-1/2 inches. Allow clearance above that for a 3/4 inch socket to swing on the two bolt heads, since both bolts are tightened from the same side of the body.
4) Is a bolted parallel groove clamp or a compression connector better for a large aluminum tap?
A bolted parallel groove clamp like the PAA400 is the choice when you need the connection to be re-openable, when you cannot get a crimp tool to the location, or when conductor sizes in the joint differ. A compression splice is permanent and needs the matching die and hydraulic head, but it gives a sealed, one-piece joint. For utility taps, service laterals, and grounding runs that may be re-terminated later, the bolted clamp is the practical option.
5) What is the exact part number to order for the Blackburn 400-1/0 aluminum parallel groove clamp?
Order Blackburn PAA400. That is the manufacturer part number for the aluminum two-bolt parallel groove clamp covering 400 kcmil to 1/0. Country of origin is India.
6) Does the PAA400 come insulated, or do I need to cover the connection?
It ships bare, with no insulation on the body. Any insulating or re-jacketing of the splice, tape, cold shrink, or a cover, is a separate item you supply. Ordering is by the each, so one clamp per connection point.
How fast can I get the Blackburn PAA400 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the
continental
U.S.
Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit,
reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Blackburn PAA400 come with a warranty?
Absolutely. The Blackburn PAA400 is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Blackburn PAA400?
You can call, text, or email our expert support team for fast answers. We’re here to help with
product
selection,
installation tips, and troubleshooting. Contact Us
Why buy the Blackburn PAA400 from ZenSupply?
ZenSupply makes it easy to get the commercial door hardware you need—fast shipping, expert support,
and
rewards on
every order.
Our team is always ready to help you choose the right product for your project.