An EC worked this up. Does this seem correct? - 01/24/05 04:01 AM
An EC worked this up. Does this seem correct...
Computed Load;
Noncontinuous Loads
Receptical Load;
42 duplex recepticals @ 180 volt-ampere 7560
7560 volt-amperes @ 100% 7560
Total Noncontinuous Load: 7560
Continuous Loads;
General Lighting Load;
--1482 sq. ft. at 3 volt-amperes per sq. ft 4446
Show Window Lighting Load;
--12ft at 200 volt-amperes per ft. 2400
Outside Sign Circuit 1200 volt-amperes 1200
Total Continuous Load: 8046
Total Non-Continuous Load plus Continuous Load: 15606
Minimum Size Feeder Overcurrent Protection
--Total noncontinuous loads 7560
--Total continuous loads @ 125% (8046*1.25) 10058
Total Load: 17618
17618 volt-amperes / 208 volts = 85 amperes
The next higher standard is 100 amperes
Minimum Size Feeders
-- 15606 volt-amperes / 208 volts = 75 amperes
Feeder size #2 cu THHN or #1 TW
---------------------
What is actually at the space
---------------------
The retail space is 1482 s.f. & has ...
---
42 duplex receptacles
(27 of them located on 9 separate ckts. 3 duplex recepts / ckt. at ea. salon stylist station)
---
2 duplex recepts. ceiling mounted at storefront.
---
2 conv. duplex recepts at front desk in addition to
1 dedicated for the cash register/computer
---
2 conv. duplex recepts. in the retail area
---
3 duplex recepts. for sit down hair dryers
---
5 conv. recepts. in the stock room
---
There is also...
1 - 18kW water heater
1 - 8A Automatic Washer
1 - 12A Automatic Dryer
2 - Exit/Emergency Light
1 - Exit Light
1 - Emergency Light
1 - 2-1/2 ton AC - 208y/120 1phase 23.3A 40OCP
1 - J-Box for exterior sign
Lighting
12 - 4 lamp 2'x4' recessed fluorescent fixtures (can lamp with 32w lamps)
1 - 2 u-lamp 2'x2'
1 - fan restroom
2 - 2 lamp 8' fluorescent strip light
4 - recessed incandescent can type fixtures
-----------------
Please help educate me...
Thanks,
--Mario
[This message has been edited by Load-n-Code (edited 01-25-2005).]
Computed Load;
Noncontinuous Loads
Receptical Load;
42 duplex recepticals @ 180 volt-ampere 7560
7560 volt-amperes @ 100% 7560
Total Noncontinuous Load: 7560
Continuous Loads;
General Lighting Load;
--1482 sq. ft. at 3 volt-amperes per sq. ft 4446
Show Window Lighting Load;
--12ft at 200 volt-amperes per ft. 2400
Outside Sign Circuit 1200 volt-amperes 1200
Total Continuous Load: 8046
Total Non-Continuous Load plus Continuous Load: 15606
Minimum Size Feeder Overcurrent Protection
--Total noncontinuous loads 7560
--Total continuous loads @ 125% (8046*1.25) 10058
Total Load: 17618
17618 volt-amperes / 208 volts = 85 amperes
The next higher standard is 100 amperes
Minimum Size Feeders
-- 15606 volt-amperes / 208 volts = 75 amperes
Feeder size #2 cu THHN or #1 TW
---------------------
What is actually at the space
---------------------
The retail space is 1482 s.f. & has ...
---
42 duplex receptacles
(27 of them located on 9 separate ckts. 3 duplex recepts / ckt. at ea. salon stylist station)
---
2 duplex recepts. ceiling mounted at storefront.
---
2 conv. duplex recepts at front desk in addition to
1 dedicated for the cash register/computer
---
2 conv. duplex recepts. in the retail area
---
3 duplex recepts. for sit down hair dryers
---
5 conv. recepts. in the stock room
---
There is also...
1 - 18kW water heater
1 - 8A Automatic Washer
1 - 12A Automatic Dryer
2 - Exit/Emergency Light
1 - Exit Light
1 - Emergency Light
1 - 2-1/2 ton AC - 208y/120 1phase 23.3A 40OCP
1 - J-Box for exterior sign
Lighting
12 - 4 lamp 2'x4' recessed fluorescent fixtures (can lamp with 32w lamps)
1 - 2 u-lamp 2'x2'
1 - fan restroom
2 - 2 lamp 8' fluorescent strip light
4 - recessed incandescent can type fixtures
-----------------
Please help educate me...
Thanks,
--Mario
[This message has been edited by Load-n-Code (edited 01-25-2005).]