Table 300.5 interpretation - Electrician Talk
Oct 16, 2023 · For a given column of Table 300.5 ("minimum cover requirements") there is a potential overlap of the various rows. The one that concerns me at present is Column 2 (IMC and RMC …
Branch circuits The distinction between a branch circuit and a feeder can be a source of confusion for the Code user. The first step in eliminating this confusion is to understand that the NEC defines a …
Understanding the 75°C vs 90°C column in Ampacity Table...
May 5, 2025 · The columns indicate how much amperage is required to raise the temperature of that size conductor to that column's temperature under standardized conditions. So a 2/0 XHHW will …
NEC 422.5 QUESTION - Electrician Talk
Nov 3, 2022 · NEC 422.5 (A), (2) shows that GFI protection is required for drinking water coolers "and bottle fill stations". One inspector is interpreting this to cover drinking water dispensers which use …
Within sight. | Electrician Talk
Dec 16, 2014 · Article 100 Definitions In Sight From (Within Sight From, Within Sight). Where this Code specifies that one equipment shall be “in sight from,” “within sight from,” or “within sight of,” and so …
Article 760? | Electrician Talk
Mar 4, 2011 · thought this was interesting i was trying to study to take my imsa test and came across section 760.41 (B) in the 2011 code and if im reading it right we now have to have a red breaker if its …
Current Carrying Conductor... | Electrician Talk
310.15 (B) (4) Neutral Conductor. (a) A neutral conductor that carries only the unbalanced current from other conductors of the same circuit shall not be required to be counted when applying the provisions …
NEC Article about mixed voltages in conduit - Electrician Talk
Jul 8, 2017 · NEC Article about mixed voltages in conduit Jump to Latest 26K views 11 replies 8 participants last post by wildleg Jul 9, 2017 G
Difference between NEC and CEC - Electrician Talk
Nov 17, 2011 · The main difference between the CEC and the NEC is that the CEC uses the Canadian Wire Gauge, and the NEC uses the American Wire Gauge.:whistling2: A bit too provocative for the …
Transformer Disconnects - Electrician Talk
Jan 17, 2011 · Now under the 2011 NEC you must or you must label the transformer where the disconnecting means is and it must be lockable. Maybe someone can post the 2011 wording.