Power Line Supply

Grounding uscco.com 81 GROUND CLAMPS Duckbill Aluminum construction with Acme-threaded bronze eye screw and stainless steel cable clamp for stress relief. Features smooth jaws. Main line range .162” min./1.16” max. 4/0 max. ground cable size. Fault circuit: 43KA @ 15 cycles; 30KA @ 30 cycles. Unit# 4329018 GROUNDING CLAMPS Substation Enables portable grounds to be used on large bus. Features bronze Acme threaded eye screw. Rated 54KA @ 15 cycles; 39KA @ 30 cycles. No. 21056. Features cast bronze alloy body and 13/16” OD stud. No. 21057. Features aluminum body and 5/8” dia. solid copper alloy hanger stud. Unit# 4329013 GROUNDING CLAMPS C-Head Features 5/8”-11 NC threaded terminals and bronze alloy Acme threaded eye stems. Maxi- mum 4/0 str. jumper cable w/ ferrule. 275 in-lb. minimum installation torque. Max. fault current rating: 43KA @ 15 cycles; 30KA @ 30 cycles. Nos. 21070 & 21307. Features fixed serra- tions cast into main body. Unit# 4329021 GROUNDING CLAMPS Tower & Flat Face Bronze alloy construction. Features 5/8”-11 NC threaded terminals and single ground clamp. 1-1/2” jaw capacity. Max. 4/0 str. jumper cable. Max. fault current rating: 43KA @ 15 cycles; 30KA @ 30 cycles. Unit# 4329017 GROUNDING CABLE FERRULES Compression For use with 5/8”-11 NC threaded tin plated copper terminals. Unit# 4329039 GROUNDING CLUSTER BARS Provides protection for personnel in single point grounding applications. Features adjust- able chain tightener with 36” of chain. Alumi- num alloy construction. Accepts C- and duckbill grounding clamps. Tested for 43KA @ 15 cycles. Unit# 4329037 GROUNDING CABLE SETS Three Phase For use in underground applications. Includes 6-ft. 1/0 copper grounding cables, terminal block, and flat jaw grounding clamp. Rated 10KA @ 10 cycles. No. Fault Circuit 10476 43KA @ 15 cycles; 30KA @ 30 cycles Bus OD In. No. Min. Max. 21056 1.25 5 21057 .398 6.625 21057 21056 Main Line Dia. No. Desc. Min. Max. 21070 Bronze alloy .16 2.88 21307 Bronze alloy .16 1.25 10375 Aluminum alloy .18 2 No. Desc. 21571 w/ Eye screw 21608 w/ T-handle 10375 21571 21608 No. Size AWG 12998 #2 12999 1/0 13000 2/0 13001 4/0 No. Desc. 6767 Grounding cluster bar No. Desc. 6717 Grounding cable set