UL 486A/B
Lug Torque Chart: UL 486A/B Tightening Torque for Mechanical Lugs, Set Screws, Breaker Terminals and Bolted Connections by Conductor Size
The torque values for mechanical lugs, slotted and hex set screws, breaker and panelboard terminals, and the bolt torque for lug-to-bus connections, from UL 486A/B and NEC 110.14(D), with what over- and under-torque do and how to document it.
Read more
Compression Lug Die Chart: Die Index Numbers and Color Codes by Conductor Size for 12-Ton Crimpers (Burndy, T&B, Greenlee, Conversions Tech)
The complete die index and color code table for copper and aluminum compression lugs on 12-ton U-die crimpers, 8 AWG to 1000 kcmil, with the number of crimps per barrel and how to read the marking on the lug.
Read more
How to Choose a Mechanical Lug: Conductors, Holes, Dual-Rated AL9CU, Stud Size and Torque
Four questions pick the right mechanical lug every time: how many conductors, what range, how many holes, and what stud. Then torque it to the UL 486B number. With a part-number table for 14 AWG through 1000 kcmil.
Read more
Compression Lugs vs Mechanical Lugs: What UL 486A/B, NEC 110.14 and Your Inspector Actually Require
When a compression lug is mandatory, when a mechanical lug is fine, what the die color codes mean, and why long-barrel matters on fine-strand cable. A field guide with sizing tables.
Read more
