MC cable with aluminum ground

growler said:

Darn right it looks cheesy and that's what made me think it must be older even though the jacket didn't look old. I'm not sure what the purpose of this stuff is. I'll do some reading and try to find out.

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Look on Southwire's web site for your research. MC-AP is used in conjunction with listed connectors (including 4s boxes with listed straps that both Raco and Steel City have. which means less make up time. Think about a dormitory or hotel....

Using listed boxes with MC

AP

straps and self grounding receptacles and switches. Strip the cable cut the ground off flush with the end of the sheath, push on to connector and tighten. Make up and pig out only white and black, No ground pigs, bonding the boxes, fighting with the green wire when trying to trim the receptacle.

Southwire's research shows that the ability to carry fault current is better than normal MC for what that is worth.

Look on Southwire's web site for your research. MC-AP is used in conjunction with listed connectors (including 4s boxes with listed straps that both Raco and Steel City have. which means less make up time. Think about a dormitory or hotel....Using listed boxes with MCstraps and self grounding receptacles and switches. Strip the cable cut the ground off flush with the end of the sheath, push on to connector and tighten. Make up and pig out only white and black, No ground pigs, bonding the boxes, fighting with the green wire when trying to trim the receptacle.Southwire's research shows that the ability to carry fault current is better than normal MC for what that is worth.

There are a lot more uses both permitted and not permitted in Article 330 covering MC cable than what I mention in the above video. But here are they are in totality ( NEC)

330.10 Uses Permitted.

330.10(A) General Uses.

Type MC cable shall be permitted as follows:

1. 330.10(A)(1) For services, feeders, and branch circuits.

2. 330.10(A)(2) For power, lighting, control, and signal circuits.

3. 330.10(A)(3) Indoors or outdoors.

4. 330.10(A)(4) Exposed or concealed.

5. 330.10(A)(5) To be direct buried where identified for such use.

6. 330.10(A)(6) In cable tray where identified for such use.

7. 330.10(A)(7) In any raceway.

8. 330.10(A)(8) As aerial cable on a messenger.

9. 330.10(A)(9) In hazardous (classified) locations where specifically permitted by other articles in this Code.

10. 330.10(A)(10) In dry locations and embedded in plaster finish on brick or other masonry except in damp or wet locations.

11. 330.10(A)(11) In wet locations where a corrosion-resistant jacket is provided over the metallic covering and any of the following conditions are met:

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    (a) The metallic covering is impervious to moisture.

    (b) A jacket resistant to moisture is provided under the metal covering.

    (c) The insulated conductors under the metallic covering are listed for use in wet locations.

12. 330.10(A)(12)

    Where single-conductor cables are used, all phase conductors and, where used, the grounded conductor shall be grouped together to minimize induced voltage on the sheath.

330.10(B) Specific Uses.

Type MC cable shall be permitted to be installed in compliance with Parts II and III of Article 725 and 770.133 as applicable and in accordance with 330.10(B)(1) through (B)(4).

Informational Note: The Uses Permitted is not an all-inclusive list.

330.10(B)(1) Cable Tray.

Type MC cable installed in cable tray shall comply with 392.10, 392.12, 392.18, 392.20, 392.22, 392.30, 392.46, 392.56, 392.60(C), and 392.80.

330.10(B)(2) Direct Buried.

Direct-buried cable shall comply with 300.5 or 300.50, as appropriate.

330.10(B)(3) Installed as Service-Entrance Cable.

Type MC cable installed as service-entrance cable shall be permitted in accordance with 230.43.

330.10(B)(4) Installed Outside of Buildings or Structures or as Aerial Cable.

Type MC cable installed outside of buildings or structures or as aerial cable shall comply with 225.10, 396.10, and 396.12.

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