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AL CONN, 500 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:
- 477 to 500 kcmil500 to 600 kcmil
- Department:
- Electrical
- Product Subgroup:
- Connectors
- Product Size:
- 20 inch long
Blackburn AL 500 N 20 HS – Frequently Asked Questions
1) What wire size does the Blackburn AL 500 N 20 HS lug take?
It's sized for 500 kcmil (500 MCM) aluminum conductor, with the published range covering 477 to 500 kcmil and 500 to 600 kcmil cable. Confirm the actual kcmil marking on your cable jacket before crimping, since a compression lug is a one-shot install.
2) Is this a two-hole lug or a single-hole lug?
Two-hole compression lug. The two-bolt pad resists rotation under torque and vibration, which is why it's specified for switchgear, transformer pads, and busbar terminations where a single-hole lug can spin loose.
3) Does the AL 500 N 20 HS crimp on, or is it a mechanical set-screw connector?
Compression only. It has to be crimped with a die-type compression tool matched to the connector, not tightened down with a set screw. If you need a set-screw or mechanical lug you can install with a hex key, this isn't it.
4) Will this connector meet a spec calling for ANSI C119.4?
Yes. The AL 500 N 20 HS is built to ANSI C119.4, the standard covering connectors for use between aluminum and copper conductors. It's also made in the United States, which matters on Buy American and federally funded work.
5) Why is this lug 20 inches long?
The 20 inch overall length is a long-barrel configuration, used where the termination has to reach from the cable entry to a pad some distance away, such as deep pad-mount transformer or switchgear cabinets. It's sold each, so count one per conductor terminated.
6) Does this Blackburn lug come insulated?
No insulation on the body. It's supplied with heat-shrink for the cable end, so you shrink that down over the barrel-to-conductor transition after crimping; the pad itself stays bare for bolting.
7) Can I use an aluminum lug like this on a copper conductor?
This one is an aluminum connector for aluminum cable. For copper conductor, order a copper compression lug in the matching kcmil. Note the ANSI C119.4 listing applies to the aluminum-to-copper connection at the bolted pad, not to substituting the conductor itself.
8) What exact part number should I order for a 500 MCM two-hole heat-shrink aluminum lug?
Blackburn AL 500 N 20 HS. That's the manufacturer part number as marked, and it identifies the 500 MCM aluminum, 20 inch, heat-shrink, two-hole configuration.
How fast can I get the Blackburn AL 500 N 20 HS delivered?
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Does the Blackburn AL 500 N 20 HS come with a warranty?
Absolutely. The Blackburn AL 500 N 20 HS is backed by a manufacturer’s warranty.
For full warranty terms, check the product documentation or Contact Us.
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