CT-SL21-1000 Stacked Mechanical Lug — 2-Conductor 1-Hole Dual-Rated AL/CU (2) 500–1000 kcmil 1/2in
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SKU: CT-SL21-1000
Only 10 in stock
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The Conversions Tech CT-SL21-1000 is a dual-rated stacked mechanical lug for terminating up to 2 aluminum or copper conductors ((2) 500-1000 kcmil) with a reusable set-screw connection - no crimp tool or dies required. Machined from 6061-T6 aluminum alloy and electro tin plated for low contact resistance and corrosion protection.
| Specifications | |
| Conductor range | (2) 500-1000 kcmil (AL/CU dual rated) |
| Conductors | 2 |
| Mounting stud | 1/2 |
| Material / finish | 6061-T6 aluminum, electro tin plated |
| Rating | 600 V, 90C, UL 486A/B Listed |
Standard termination hardware for load centers, panelboards, safety switches, transformers, and transfer switches. Ships same day when ordered by 2 PM ET.
Specifications
| Part Number | CT-SL21-1000 |
| Category | Electrical connector |
| Configuration | 2 |
| Weight | 1.2 lb (est.) |
| HS Code | 8536.90.4000 |
Cross-Reference: CT-SL21-1000
| Brand | Part Number | Notes |
|---|---|---|
| NSI | T2 Series | stacked 2-port dual-rated class (e.g. 300T-2 = 6 AWG-300 kcmil) — match by range* |
*Cross by conductor count, range, and stud size - verify for your application. Trademarks belong to their owners.
See also mechanical lugs and neutral bars. Contractor & distributor pricing →
Why Pros Buy Direct from Conversions Tech
Quality-tested and UL Listed. Every product we carry is built to our specifications by certified manufacturing partners and quality-verified before it ships. UL/CSA listed where required, NEC compliant.
Cross-reference savings. Direct equivalents to Burndy, Hubbell, and other OEM part numbers at up to 30% less — same specs, same certifications, without the big-brand markup.
Real technical support. Need a torque spec, die reference, or an OEM quote? You’ll speak directly with the Conversions Tech engineering desk — not a script reader — for instant answers, custom kitting, and private-label options.
Fast US fulfillment. Orders in by 2PM ET ship same day from our US warehouse, nationwide ground and expedited.
