NEC 2005 Handbook page 106 has a shaded paragraph to explain Exhibit 220.4 that says, "In Exhibit 220.4, the maximum number of outlets permitted on 15- and 20- ampere branch circuits is 10 and 13 outlets respectively. This restriction does not apply to outlets connected to general lighting or small-appliance branch circuits in dwelling units."

So what is the max for lighting and small appliance ?

Outlets "connected to general lighting" with lighting fixtures attached are "calculated based on the maximum volt-ampere rating of the ... lamps for which the luminaire(s) [fixture(s)] is rated" 220.14(D). So the limit would be based on each fixtures wattage rating.

But what is the max for small appliance ?

220.14 (I) says it doesn't apply to "outlets specified in 210.1(C)(1) & (C)(2)" which is small appliance & laundry but 220.14(L) covers "all others" which I think would include small appliance. (L) says to calculate "based on 180 volt-amperes per oulet", so 180 watt recept at 120 volts is 1.5 amps. A 20 amp small appliance circuit divided by 1.5 amps is 13 recepts.

So is the max 13 on a small appliance circuit or not ?

David

So what is the max for lighting and small appliance ?

Outlets "connected to general lighting" with lighting fixtures attached are "calculated based on the maximum volt-ampere rating of the ... lamps for which the luminaire(s) [fixture(s)] is rated" 220.14(D). So the limit would be based on each fixtures wattage rating.

But what is the max for small appliance ?

220.14 (I) says it doesn't apply to "outlets specified in 210.1(C)(1) & (C)(2)" which is small appliance & laundry but 220.14(L) covers "all others" which I think would include small appliance. (L) says to calculate "based on 180 volt-amperes per oulet", so 180 watt recept at 120 volts is 1.5 amps. A 20 amp small appliance circuit divided by 1.5 amps is 13 recepts.

So is the max 13 on a small appliance circuit or not ?

David

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