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AL CONN,750 MCM, 20 IN, HEAT-SHRINK
Manufacturer Resources
Product Specs
- Connection Type:
- Compression
- Country Of Origin:
- United States (US)
- Insulation Material:
- None
- Product Group:
- Wire & Cable Management
- Product Type:
- Compression Lug Two Hole
- Selling Unit Of Measure:
- each
- Standards:
- ANSI C119.4
- Type2:
- Wire connectors
- Wire Size:
- 700 to 750 kcmil636 (26/7) ACSR AWG
- Department:
- Electrical
- Product Subgroup:
- Connectors
- Product Size:
- 20 inch long
Blackburn AL 750 N 20 HS – Frequently Asked Questions
1) What conductor sizes does the Blackburn AL 750 N 20 HS lug take?
The AL 750 N 20 HS is sized for 700 to 750 kcmil conductor, and is also rated for 636 (26/7) ACSR. If your cable is smaller than 700 kcmil, you need a different barrel size, not this one; a compression lug only holds its rating on the conductor range it is stamped for.
2) Is this an aluminum lug, and can I use it on copper conductor?
It's an aluminum-bodied compression connector built for 700 to 750 kcmil aluminum conductor, including 636 (26/7) ACSR. It is listed to ANSI C119.4, the standard covering connectors for aluminum and copper conductors in underground and aerial applications. For copper cable, order a copper-bodied or dual-rated lug instead of this aluminum barrel.
3) Is this a two-hole lug or a single-hole lug?
Two-hole. It's a two-hole compression lug, which is what most switchgear, panelboard, and grounding-bus specs call for because the second bolt stops the pad rotating under fault or vibration. If your bus is drilled for one bolt only, a two-hole pad won't land.
4) Why is this lug 20 inches long?
The 20 inch overall length is the extended barrel/pad configuration, which puts the bolt pad well away from the crimp area. Electricians use the long-barrel style where the termination has to reach across a cabinet, past a barrier, or up to a bus that a standard short lug won't reach without bending the 750 kcmil cable tighter than it wants to go. Confirm you have the 20 inches of clear run inside the enclosure before you crimp it on.
5) Does the heat-shrink come on the lug, or do I buy sleeving separately?
The HS suffix means the heat-shrink is part of the connector as supplied, so you don't source separate sleeving for the barrel. The lug body itself carries no insulation, so the shrink is what covers the crimp once it's recovered with a heat gun or torch.
6) Do I need a crimp tool for this, or can it be set with a wrench?
It's a compression connector, so it has to be crimped with a hydraulic or battery compression tool and the correct die for the barrel; there is no set screw and no mechanical bolt to torque on the conductor end. Only the two-hole pad gets bolted, to the bus or terminal.
7) Is the Blackburn AL 750 N 20 HS made in the USA for a Buy American job?
Country of origin is the United States, which is what government, school, and utility procurement usually needs on the submittal for a domestic-content requirement.
8) Is this lug sold each or in a bag of multiples?
Sold each. One AL 750 N 20 HS aluminum compression lug per unit, so count one per conductor termination and order accordingly for a three-phase-plus-neutral run.
How fast can I get the Blackburn AL 750 N 20 HS delivered?
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Does the Blackburn AL 750 N 20 HS come with a warranty?
Absolutely. The Blackburn AL 750 N 20 HS 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 AL 750 N 20 HS?
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