2020 code

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JDB3

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I have yet to get the current NEC . Does it require for single family dwelling: whole house surge protection? GFCI protection for the dryer if it next to the washing machine or does it just state any 220 volt outlet in the laundry area?
Thanks
 
Here is what it states. Notice it states receptacles so if it is hardwired it doesn't need gfci

(A) Dwelling Units.

All 125-volt through 250-volt receptacles installed in the locations specified in 210.8(A)(1) through (A)⁠(11) and supplied by single-phase branch circuits rated 150 volts or less to ground shall have ground-fault circuit-interrupter protection for personnel.
  • (1)
    Bathrooms
  • (2)
    Garages and also accessory buildings that have a floor located at or below grade level not intended as habitable rooms and limited to storage areas, work areas, and areas of similar use
  • (3)
    Outdoors
    Exception to (3):
    Receptacles that are not readily accessible and are supplied by a branch circuit dedicated to electric snow-melting, deicing, or pipeline and vessel heating equipment shall be permitted to be instal⁠led in accordance with 426.28 or 427.22, as applicable.

  • (4)
    Crawl spaces — at or below grade level
  • (5)
    Basements
    Exception to (5):
    A receptacle supplying only a permanently installed fire alarm or burglar alarm system shall not be required to have ground-fault circuit-interrupter protection.
    Informational Note:
    See 760.41(B) and 760.121(B) for power supply requirements for fire alarm systems.

    Receptacles installed under the exception to 210.8(A)⁠(5) shall not be considered as meeting the requirements of 210.52(G).
  • (6)
    Kitchens — where the receptacles are installed to serve the countertop surfaces
  • (7)
    Sinks — where receptacles are installed within 1.8 m (6 ft) from the top inside edge of the bowl of the sink
  • (8)
    Boathouses
  • (9)
    Bathtubs or shower stalls — where receptacles are instal⁠led within 1.8 m (6 ft) of the outside edge of the bathtub or shower stall
  • (10)
    Laundry areas
    Exception to (1) through (3), (5) through (8), and (10):
    Listed locking support and mounting receptacles utilized in combination with compatible attachment fittings installed for the purpose of serving a ceiling luminaire or ceiling fan shall not be required to be ground-fault circuit-interrupter protected. If a general-purpose convenience receptacle is integral to the ceiling luminaire or ceiling fan, GFCI protection shall be provided.

  • (11)
    Indoor damp and wet locations
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230.67 Surge Protection.
(A) Surge-Protective Device.
All services supplying dwelling units shall be provided with a surge-protective device (SPD).
(B) Location.
The SPD shall be an integral part of the service equipment or shall be located immediately adjacent thereto.
Exception:
The SPD shall not be required to be located in the service equipment as required in (B) if located at each next level distribution equipment downstream toward the load.
(C) Type.
The SPD shall be a Type 1 or Type 2 SPD.
(D) Replacement.
Where service equipment is replaced, all of the requirements of this section shall apply.
 
don_resqcapt19 said:
230.67 Surge Protection.
(A) Surge-Protective Device.
All services supplying dwelling units shall be provided with a surge-protective device (SPD).
(B) Location.
The SPD shall be an integral part of the service equipment or shall be located immediately adjacent thereto.
Exception:
The SPD shall not be required to be located in the service equipment as required in (B) if located at each next level distribution equipment downstream toward the load.
(C) Type.
The SPD shall be a Type 1 or Type 2 SPD.
(D) Replacement.
Where service equipment is replaced, all of the requirements of this section shall apply.
Click to expand...
What was the point behind this? Seriously...
 
Dennis Alwon said:
Here is what it states. Notice it states receptacles so if it is hardwired it doesn't need gfci
Click to expand...
I was thinking the same thing when I read this change! A non-fusible disconnect and hard-wired or a 4-wire flanged inlet twist lock does not meet the definition of a receptacle. Both methods would be less expensive than a 2 pole 30 amp GFCI breaker. :)
 
DrSparks said:
What is it they require GFCIs for dishwashers even if you hardwire them?

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Click to expand...
The dishwasher rule says the outlet that supplies the dishwasher must have GFCI protection. The rule was not in 210.8(A) that applies only to receptacle outlets. The rule first appeared in the 2014 code where it said:
210.8(D) Kitchen Dishwasher Branch Circuit.
GFCI protection shall be provided for outlets that supply dishwashers installed in dwelling unit locations.
Click to expand...
It was moved to 422.5 and expanded to non-dwelling occupancies and to higher voltages and current ratings in the 2020 code. The parent text reads:
422.5(A) General.
Appliances identified in 422.5(A)(1) through (A)(7) rated 150 volts or less to ground and 60 amperes or less, single- or 3-phase, shall be provided with Class A GFCI protection for personnel. Multiple Class A GFCI protective devices shall be permitted but shall not be required.
(1) Automotive vacuum machines
(2) Drinking water coolers and bottle fill stations
(3) Cord-and-plug-connected high-pressure spray washing machines
(4) Tire inflation machines
(5) Vending machines
(6) Sump pumps
(7) Dishwashers
Click to expand...
Note that the rule requires the protection for the appliance, so it doesn't matter if it cord and plug connected or hard wired.
 
don_resqcapt19 said:
The dishwasher rule says the outlet that supplies the dishwasher must have GFCI protection. The rule was not in 210.8(A) that applies only to receptacle outlets. The rule first appeared in the 2014 code where it said:

It was moved to 422.5 and expanded to non-dwelling occupancies and to higher voltages and current ratings in the 2020 code. The parent text reads:

Note that the rule requires the protection for the appliance, so it doesn't matter if it cord and plug connected or hard wired.
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Yeah I know it's required but I was wondering why. Sorry I said "what." It was a typo.

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DrSparks said:
Yeah I know it's required but I was wondering why. Sorry I said "what." It was a typo.

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Click to expand...
Don't want the mouse chewing on the wires underneath to get electrocuted.
But seriously, it is most likely due to shock incidents related to energized frames, and popularity of stainless steel appliance faces.
 
Fred B said:
Don't want the mouse chewing on the wires underneath to get electrocuted.
But seriously, it is most likely due to shock incidents related to energized frames, and popularity of stainless steel appliance faces.
Click to expand...

Many will point to the fact that some dishwashers had an issue that caused them to catch fire. Instead of forcing the manufacturers to perform a recall, the GFCI requirement was added to the code. This has been discussed at great lengths elsewhere in these forums!
 
DrSparks said:
Yeah I know it's required but I was wondering why. Sorry I said "what." It was a typo.

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Click to expand...
Because the original substantiation was from the appliance manufacturers to provide shock protection if there was a failure at the appliance. However other documents indicate that the real issue was an attempt to prevent appliance end of life fires, and not really a shock hazard issue.

In general, the shock hazard does not exist on hard wired equipment. All of the original GFCI rules were for cord and plug connected equipment because it is much more likely that the EGC will become compromised on cord and plug connected equipment than on hard wired equipment.
 
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don_resqcapt19 said:
Because the original substantiation was from the appliance manufacturers to provide shock protection if there was a failure at the appliance. However other documents indicate that the real issue was an attempt to prevent appliance end of life fires, and not really a shock hazard issue.

In general, the shock hazard does not exist on hard wired equipment. All of the original GFCI rules were for cord and plug connected equipment because it is much more likely that the EGC will become compromised on cord and plug connected equipment than on hard wired equipment.
Click to expand...
Yeah, I remember when the manufacturers of commercial vending machines started putting GFCI wall warts on their cords. Window AC manufacturers are doing that too now.

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DrSparks said:
What is it they require GFCIs for dishwashers even if you hardwire them?

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Click to expand...
Your question has already been answered, but if a dishwasher is hard-wired, it would require a disconnecting means. I've worked in areas where it was required to have a single-pole switch over the counter within site of the appliance or a small breaker lock in the panel would suffice.
 
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