Numerica Credit Union offers customer support via their website at www.numericacu.com. You can also contact Numerica Credit Union via phone at (800) 255-9194 or email at NCUMemberService@numericacu.com.
Electrical discharge machining. Electrical discharge machining (EDM), also known as spark machining, spark eroding, burning, die sinking, wire burning or wire erosion, is a manufacturing process whereby a desired shape is obtained by using electrical discharges (sparks).
Overview of ECM Technology What is ECM technology? ECM (Electronically Commutated Motor) technology is based on a brushless DC permanent magnet design that is inherently more efficient than the shaded-pole and permanent-split-capacitor (PSC) motors Early HVAC literature listed these motors as ICM (Integrated Control Motor),