n lctrcl ntwrk s n ntrcnnctn f lctrcl cmpnnts (.g., bttrs, rsstrs, ndctrs, cpctrs, swtchs, trnsstrs) r mdl f sch n ntrcnnctn, cnsstng f lctrcl lmnts (.g., vltg srcs, crrnt srcs, rsstncs, ndctncs, cpctncs). n lctrcl crct s ntwrk cnsstng f clsd lp, gvng rtrn pth fr th crrnt. Ths ll crcts r ntwrks, bt nt ll ntwrks r crcts (lthgh ntwrks wtht clsd lp r ftn mprcsly rfrrd t s "crcts").
rsstv ntwrk s ntwrk cntnng nly rsstrs nd dl crrnt nd vltg srcs. nlyss f rsstv ntwrks s lss cmplctd thn nlyss f ntwrks cntnng cpctrs nd ndctrs. f th srcs r cnstnt (DC) srcs, th rslt s DC ntwrk. Th ffctv rsstnc nd crrnt dstrbtn prprts f rbtrry rsstr ntwrks cn b mdld n trms f thr grph msrs nd gmtrcl prprts.
ntwrk tht cntns ctv lctrnc cmpnnts s knwn s n lctrnc crct. Sch ntwrks r gnrlly nnlnr nd rqr mr cmplx dsgn nd nlyss tls.