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What size are the lug mounting studs provided in a 300 ampere or 400 ampere Combination Service Entrance Device?

Each lug landing pad supplied on these devices has two studs, to accept a single lug with a two hole mounting pattern. The two studs are 1/2-13 on 1.75`` center. Lug options listed on the device wiring diagram include: Mechanical lugs - Square D CMELK4 (includes four ILSCO TA-600-2N lugs in kit), ILSCO TA-600-2N or Anderson L2D2-350: Compression lugs - Anderson VHCL-600-12BN.


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