Electrical Construction & Maintenance

Code Q&A: Sizing Circuit Conductors for a Single Continuous-Duty Motor

A. Conductors to a single motor must be sized not less than 125% of the motor FLC rating as listed in Table 430.247 [Direct-Current Motors], Table 430.248 [Single-Phase Motors], or Table 430.250 ...
Electrical Construction & Maintenance

Code Q&A: Sizing Circuit Conductors for Individual Appliances

A. (A) Individual Circuits [Sec. 422.10]. The branch-circuit ampere rating for an individual appliance isn’t permitted to be less than the branch-circuit rating marked on the appliance [Sec. 110.3(B)] ...
WRAL

Building Code Council upholds circuit-breaker rule

The North Carolina Building Code Council voted Tuesday to continue requiring special circuit-breakers in new homes. An arc fault circuit interrupter (AFCI) is a circuit-breaker that can detect an ...
EDN

Morse Code Generator Circuit and Applications

Morse code is very old and versatile technique to send text messages using wireless media. Here, I would like to explain about the circuit diagram and applications of Morse code generator. Morse code ...
AOL

P0351 Code Guide: What Ignition Coil “A” Circuit Malfunctions Mean, Causes, and Fixes

The P0351 code means your engine control module (ECM) has detected a malfunction in the ignition coil “A” primary/secondary circuit, which corresponds to cylinder 1 on most engines. When this circuit ...