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quixoteland t1_j0zta4p wrote

Philadelphia currently follows the 2017 NEC (National Electrical Code).

From a practical standpoint, having each appliance on its own dedicated circuit is certainly easier, especially fault finding, especially if you have enough spaces open in your panel.

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Fattom23 OP t1_j0ztp2h wrote

The panel space is way less of an issue than having to hire someone to run the wires and install the breaker (since the fact that I have these questions proves I shouldn't do that work). But it's good to know Philly follows the 2017 code without modification; that's super useful.

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quixoteland t1_j0zuz60 wrote

Here's a link to the codes Phila currently follows. To the best of my knowledge, only the plumbing code is markedly different from the national codes.

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DelcoWolv t1_j0zn6h0 wrote

I'm no expert but I did just watch a new kitchen island get built in my house. The electrician put an outlet in the middle for the disposal and a 2nd circuit next to it for the dishwasher.

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Fattom23 OP t1_j0zoa8k wrote

Yeah, that's definitely the way to do it when you're running wires for the first time. I was hoping to avoid it because there's already wiring there, but I think I'll need an electrician to run the new wires.

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mistersausage t1_j123tlv wrote

There's "correct" and there's "works." Try it on the existing circuit, if you trip shit, then get a new circuit. Lots of the NEC is best practices put into code because when circuits start tripping, people do dangerous and stupid shit like forcing breakers open.

It's illegal to do your own electrical work in Philly anyway because homeowners cannot pull plumbing or electrical permits without a plumbing or electrical license, but that doesn't stop most people.

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tipsy215 t1_j0zr9np wrote

Yes! dishwasher, refrigerator, stove, and microwave should always be a dedicated circuit.

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ScottishCalvin t1_j0zucq1 wrote

Even if it wasn't code, you should still do it. Those can pull some crazy high (temporary) amperes so they can easily trip a circuit that might have other stuff on it like your fridge or a toaster/microwave oven making your dinner

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Wuz314159 t1_j0zkcvm wrote

Knowing nothing about Philly codes, it's not possible to do this. Typical garbage disposals use 15-20 amps & a dishwasher 10 amps. They will not fit on the same 20 amp circuit.
They should each have their own GFI circuit.

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mistersausage t1_j123jlj wrote

Your link is wrong, 1 horsepower (the biggest a normal disposal is) is about 750 watts, so 6 amps ish. The inrush current to start will be a lot larger, though.

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