규격명 규격 (Scope) CCN
Industrial Control Panels UL 508a NITW
Industrial Control Equipment UL 508 NKCR, NKJH,
NKPZ, NLDX,
NLRV, NMFT,
NMTR, NRNT,
NRAQ, NRKH
Power Conversion Equipment UL 508c NMMS