Electrical Installation | JADE Learning

2023 NEC Section 210.8(B): GFCI Protection, Other Than Dwelling Units

These are some updated code changes and exceptions in section 210.8(B), which covers GFCI rules for personnel, other than dwelling units.

Read Article

Most Recent

The De-Centralized Central Station

This blog discusses the sustainability of central alarm stations hiring remote workers and the pros and cons that come with remote vs. in-person work.

Read Article
Rethinking Business Security for the New Normal

A new security study found that physical security incidents keep growing year over year, and businesses are struggling to keep up and stay secure.

Read Article
2023 NEC Section 210.8(A)(5): GFCI Protection for Basements

Here are some important 2023 NEC changes made to 210.8(A)(5), which covers rules for GFCI outlets in basements.

Read Article
2023 NEC Section 210.8(A)(7): GFCI Protection for Areas with Sinks and Food Preparation

Here are the 2023 NEC changes made to Section 210.8(A)(7), which covers rules for GFCI outlets near areas with sinks.

Read Article

Recently in

Feeder Conductor Ampacity

Feeders Part 3 Feeder Conductor Ampacity. The conditions of use must be considered when determining the minimum size of a feeder conductor. A continuous load, such as the lighting load in a store building, generates heat in the feeder conductor that must be compensated for. Ambient temperatures above 86oF or more than […]

Read Article

Feeders Part 2: Overcurrent Protection

The general rule in 215.3 is that a feeder overcurrent device shall have a rating not less than the noncontinuous load plus 125% of any continuous loads supplied by the feeder. Unless permitted for specific applications, such as motor circuits, the rating of the feeder overcurrent device is selected as […]

Read Article

Multiwire Branch Circuits NEC 210.4

A common application of multiwire branch circuits as described in section 210.4 is for a 120/240-volt, single-phase system where three wires do the work of four, the two ungrounded conductors sharing a single neutral.In a 20 amp multiwire branch circuit if the two ungrounded conductors each carry 15 amps, some people think the neutral carries 30 amps, or the combined total of the current on each ungrounded conductor.

Read Article

2023 NEC Section 210.8(B): GFCI Protection, Other Than Dwelling Units

Most Recent

The De-Centralized Central Station

Rethinking Business Security for the New Normal

2023 NEC Section 210.8(A)(5): GFCI Protection for Basements

2023 NEC Section 210.8(A)(7): GFCI Protection for Areas with Sinks and Food Preparation

Recently in

Feeder Conductor Ampacity

Feeders Part 2: Overcurrent Protection

Multiwire Branch Circuits NEC 210.4

Passing Your Journeyman or Master Exam Starts Here.

JADE Learning’s Online Exam Preparation. Practice at Home. On Your Schedule.

Login