A sheet metal enclosure used to supplement wiring spaces at meter centers, distribution centers, switchboards, and similar points of wiring systems. The enclosure has hinged or removable covers for housing and protecting electrical wires, cable, and busbars. As its name implies, an auxiliary gutter provides additional gutter space for wiring in various types of electrical enclosures and equipment.
A pull box is assumed to be more or less . Auxiliary gutters , used to supplement wiring spaces at meter centers,.
Starting with Article 36 we will.
They are listed to UL Standard .
SDAG- LOAD Center AUXILIARY GUTTER 240VAC 225A. The reference to “exposed” is intended to prohibit concealment in walls or floors although. Electrical and Mechanical Continuity.
Section 373-does not permit these enclosures used for switches or overcurrent devices to be used as junction boxes, auxiliary gutters , or raceways for conductors feeding through or being tapped . NEC prohibits the use of enclosures for switches or overcurrent devices as junction boxes, auxiliary gutters , or raceways for conductors that feed through or tap off to other switches or overcurrent devices, unless adequate space for this purpose is provided.
Requirements for conductors in auxiliary gutters and metal wireways are not the same as they are for conductors in raceways and cables. The second informational note in this section shows where these requirements can be found. Adjustment factors for conductors in sheet-metal auxiliary gutters are in 366. Now, when determining gutter or wireway fill, the sum of the cross-sectional areas of all contained conductors “and cables” at any cross section shall not exceed percent of the interior cross-sectional area of the wireway.
A similar change occurred in Article 3for Auxiliary Gutters.
Unused cable or raceway openings in boxes, raceways, auxiliary gutters , cabinets, cutout boxes, meter socket enclosures, equipment cases, . These equipment grounding conductors must be sized from Table 250. B-Line series electrical enclosures. Service Update -It is on hold for now.
Surface Raceways and Assemblies. Wireways and Auxiliary Gutters. The new allowance for three gray stripes is particularly useful for complying with 200.
D), which requires installers to identify grounded conductors of different systems installed in the same raceway, cable, box, auxiliary gutter , or other type of enclosure. A qualified person has received safety training on the hazards involved with electrical systems, but is not required to have the skill or knowledge related to the construction and operation of the electrical equipment and its installation. Construction and test of wireways, auxiliary gutters , and associated fittings .
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