160 Modern Commercial Wiring
Copyright Goodheart-Willcox Co., Inc.
Kitchen equipment:
(2) 15 kW ovens (208-volt)
(2) 10 kW ranges (208-volt)
(4) 4 kW fryers (208-volt)
(1) 10 kW water heater (208-volt)
(1) 3 kW dishwasher (208-volt)
(2) 2.5 kW toasters (208-volt)
(1) 1/2 hp vent fan (120-volt)
(1) 3/4 hp blower motor (120-volt)
Heating:
40 kW electric heat (208-volt)
USING THE NEC
Refer to the National Electrical Code to answer the
following questions.
1. In addition to Article 210, which other section
contains information on branch circuits supplying
pipe organs?
2. What is the minimum branch-circuit current rating
for cooking ranges with ratings of 8 3/4 kW or
higher?
3. How near to the appliance does a dedicated appli-
ance receptacle need to be installed?
4. How is the size for a feeder overcurrent protective
device determined?
5. Article 220 addresses branch-circuit, feeder, and
service calculations. How are fractions of amperes
handled in calculations?
6. Show-window loads can be computed in two ways.
Name the ways.