3 Phase Disconnect скачать в хорошем качестве

3 Phase Disconnect

http://www.sparkyuonline.com In this video I briefly describe a 3 phase 208v disconnect,fuses,grounding. More information can be found on my website regarding disconnects and their uses. ...Also it is stated 2011 Feed-through conductors, splices, and taps are permitted in the wiring space where conditions (1) through (3) are met---The wiring space of enclosures for switches or overcurrent devices shall be permitted for conductors feeding through, spliced, or tapping off to other enclosures, switches, or overcurrent devices where all of the following conditions are met: (1) The total of all conductors installed at any cross section of the wiring space does not exceed 40 percent of the cross-sectional area of that space. (2) The total area of all conductors, splices, and taps installed at any cross section of the wiring space does not exceed 75 percent of the cross-sectional area of that space. (3) A warning label is applied to the enclosure that identifies the closest disconnecting means for any feed-through conductors.