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 …
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 …
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 …
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 …
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 …
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 …
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 …
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 …
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.