Said to be ideal for applications requiring branch circuit protection that comply with UL and CSA standards, the Bulletin 1492-MC circuit breakers may be used to protect wiring and associated ...

I continue to be surprised by how many equipment designers are confused by UL circuit protection standards. In trying to meet conflicting standards, engineers may actually decrease the level of ...

Group motor protection as described in NFPA 70, the U. S. National Electrical Code (NEC) Article 430.53 lets two or more motors be protected by the same overcurrent device as long as the installation ...

Article 210 contains the requirements for conductor sizing, conductor identification, overcurrent protection, and GFCI and AFCI protection of branch circuits. It also contains requirements for ...

The new line of Allen-Bradley Bulletin 1492-MC circuit breakers meet North American electrical standards and conserve panel space to provide advanced branch circuit protection. The 1492-MC circuit ...

Middletown, Pa. — Touch-safe fuse terminal blocks from Phoenix Contact accept Class CC and Class J fuses to meet National Electrical Code requirements for branch circuit protection. UL-Listed for ...

Motors for air conditioning and refrigeration equipment are special-purpose motors called “hermetic,” meaning they’re sealed. They’re sealed because they’re in the same housing as the compressor and ...

Arc Fault Circuit Interrupter Protection detects dangerous arc faults in wiring, preventing electrical fires, enhancing home safety, and meeting NEC code requirements. AFCI breakers safeguard circuits ...

My introduction to circuit protection came at the tender age of eight. Being a curious lad with an inventive – and apparently self-destructive – bent, I decided to make my mother a lamp. I put a hose ...

TO BE READ BY ALL ELECTROSCHEMATICS ENTHUSIASTS! Much needs to be said about this oft neglected subject. We would never even think of connecting the utility mains to our house without proper circuit ...