continuous load NEC

Continuous Load and Conductor Bundling: The NEC Sequence Most People Get Wrong

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Continuous load and conductor bundling rules are a common point of confusion in the field, especially when both NEC evaluations apply to the same branch circuit. Many electricians understand the 125% continuous-load requirement. Many also understand conductor ampacity adjustment for more than three current-carrying conductors. But confusion starts when both conditions exist at the same … Read more

Continuous Load Rules for Garage Heaters: How the NEC Is Actually Applied

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A common point of confusion in the field is how continuous-load rules affect garage heaters, workshop heaters, and other fixed electric space-heating equipment. Most of the confusion starts when people blend together: as though they are all the same thing. They are not. This article walks through how the NEC actually applies continuous-load rules using … Read more