Subpanel to Spider box?

[PDang]

Can i install a sub panel and use one of the recepetacles to feed a spider box? and off the spider box I will run a 220 welder, plasma cutter, and other tools > 120? Compressor will be hardwired into the main panel.​

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Siemens TL137US Talon Temporary Power Outlet Panel with a 20, 30, and 50-Amp Receptacle Installed, Unmetered & Q120 20-Amp Single Pole Type QP Circuit Breaker​

Thank you in advance.

 

[wyliesdiesels]

why would you do this? why not install the necessary receptacles? you would be limited by the feeding breaker and you cant use more than one machine at a time so whats the point? just making things more complicated than they have to be

 

[PDang]

My thought is i already have 3 of these spider boxes and if i can avoid using up slots in the panel and feed just one line into the spider box while be able to be mobile and using different recepticals, its a win in my book. The spider box have multiple recepticles that i can run multiple tools. As stated, i woudl be running the plasma and the compressor is hardwired.

I don't see myself using two tools plugged in the spider box at once. Also, this would be mobile with my welding table. ( less extensions )

Also, this will allow future needs such as a shore power line needed to charge a solar system.

Just trying to understand is all, please educated me.

 

[u2slow]

The #8 or #6 cord is going to be expensive.

What about another sub on the other side/end of the shop? What are the welder and plasma power requirements?

20A at 240v satifies a lot of my equipment. Several 6-20R receptacles around my shop, and made up a few short #12awg adapter/extension cords.

 

[PDang]

I already have #6 wire to run to the sub panel, it was salvaged from my last garage. Just wanting to know what the best solution is here because I don't know which route to take. With what materials and equipment I have available, I am just trying to get some input from you guys.

Thanks!

 

[mike93lx]

I already have #6 wire to run to the sub panel, it was salvaged from my last garage. Just wanting to know what the best solution is here because I don't know which route to take. With what materials and equipment I have available, I am just trying to get some input from you guys.

Thanks!

You also need #6 or #8 cord to get to the spider box

 

[PDang]

Sorry, I should have mentioned that the main panel is located in the garage where i would be adding the sub panel.

 

[mike93lx]

Doesn't change the need for a heavy cord to feed the spider box

 

[PDang]

Aggreed, but having to spend more on mutliple cords and adapter justifies just buying one core to feed the spider box. Perhaps i'm missing something here.

 

[mike93lx]

Aggreed, but having to spend more on mutliple cords and adapter justifies just buying one core to feed the spider box. Perhaps i'm missing something here.

What adapters? Plasma cutters and welder usually use the same connector, a 6-50. What portable 240v equipment do you have that uses something else?

 

[wyliesdiesels]

Aggreed, but having to spend more on multiple cords and adapter justifies just buying one core to feed the spider box. Perhaps i'm missing something here.

what other 240v portable tools will you be running? and what adapters are you referring to?

 

[PDang]

Also, this will allow future needs such as a shore power line needed to charge a solar system

For adapters, I was referring to this and other things that will come up that will need 220/240.

For equipment, I will have multiple grinders, saws and such... I know they don't require 240 but my spider box has 6 outlets for 115v.

Thank your input though @mike93lx, you've helped me decided what to do.

 

[wyliesdiesels]

For adapters, I was referring to this and other things that will come up that will need 220/240.

For equipment, I will have multiple grinders, saws and such... I know they don't require 240 but my spider box has 6 outlets for 115v.

Thank your input though @mike93lx, you've helped me decided what to do.

That still doeant describe the adapter you need. And whag does that have to do with solar?

 

[mike93lx]

For adapters, I was referring to this and other things that will come up that will need 220/240.

For equipment, I will have multiple grinders, saws and such... I know they don't require 240 but my spider box has 6 outlets for 115v.

Thank your input though @mike93lx, you've helped me decided what to do.

No idea what you mean by charging solar with shore power

 

[wyliesdiesels]

No idea what you mean by charging solar with shore power

didnt know what that was either. makes no sense

 

[alfredeneuman]

The spider box have multiple recepticles that i can run multiple tools.

400.12 Uses Not Permitted.
Unless specifically permitted in 400.10, flexible cables, flexible cord sets, and power supply cords shall not be used for the following:
(1) As a substitute for the fixed wiring of a structure

 

[wyliesdiesels]

400.12 Uses Not Permitted.
Unless specifically permitted in 400.10, flexible cables, flexible cord sets, and power supply cords shall not be used for the following:
(1) As a substitute for the fixed wiring of a structure

Reread the OP. hes not using the cordage inside the walls. the cordage would be from a receptacle going to the spider box....

 

[mike93lx]

Reread the OP. hes not using the cordage inside the walls. the cordage would be from a receptacle going to the spider box....

Allegedly...all he said is he has "#6 wire"

 

[alfredeneuman]

Reread the OP. hes not using the cordage inside the walls. the cordage would be from a receptacle going to the spider box....

Where did I infer that it was in the walls?
The spider box in in essence a panel, and is meant to be used on a temporary basis.
The whole thing including the permanent receptacles could be replaced with fixed, wiring couldn't they?

 

[mike93lx]

Where did I infer that it was in the walls?
The spider box in in essence a panel, and is meant to be used on a temporary basis.
The whole thing including the permanent receptacles could be replaced with fixed, wiring couldn't they?

Can they? How do you install fixed wiring to a welder that moves around the middle of a shop?

 

[wyliesdiesels]

Where did I infer that it was in the walls?
The spider box in in essence a panel, and is meant to be used on a temporary basis.
The whole thing including the permanent receptacles could be replaced with fixed, wiring couldn't they?

I guess youve never been on a job site with spider boxes. using cordage to feed a spider box from a receptacle (on a temp pole on a job site) is totally code compliant and acceptable... it's temporary...

the code you cited has to do with wiring inside the walls of a structure.

 

[alfredeneuman]

I guess youve never been on a job site with spider boxes. using cordage to feed a spider box from a receptacle (on a temp pole on a job site) is totally code compliant and acceptable... it's temporary...

I'm sure that I've been on more jobs with spider boxes than you have.
They're temporary during the time of construction and must be removed immediately afterwards. (NEC 590) This is permanent.

the code you cited has to do with wiring inside the walls of a structure.

The Code doesn't apply to surface mounted installs as well?
(1) "As a substitute for the fixed wiring of a structure" could be anywhere in or on the structure.

 

[wyliesdiesels]

I'm sure that I've been on more jobs with spider boxes than you have.
They're temporary during the time of construction and must be removed immediately afterwards. (NEC 590) This is permanent.

The Code doesn't apply to surface mounted installs as well?
(1) "As a substitute for the fixed wiring of a structure" could be anywhere in or on the structure.

says who? its cord and plug connected and he will be moving it around. who knows he may even take it with him some where for temp use...

 

[alfredeneuman]

says who? its cord and plug connected and he will be moving it around. who knows he may even take it with him some where for temp use...

Within 90 days every time? That's the time limit for any use other than construction, emergencies, and tests.
Unlikely.

 

[wyliesdiesels]

Within 90 days every time? That's the time limit for any use other than construction, emergencies, and tests.
Unlikely.

youve made an awful lot of assumptions on how the OP will use this

 

[alfredeneuman]

Only the OP knows for sure, and he's not talking