May 2021
CITY OF SURREY – ELECTRICAL SECTION
Electrical Demand Load Calculation
Single Family Dwelling & Detached Dwelling Unit
This form will not be collected from site and must be submitted with a CAF at the time of a service connection request to
e.inspections@surrey.ca. Current BC Electrical Code and BCSA Bulletin IB-EL 2014-01 Take Precedence
Permit # : _____________ Address : ________________________________________________
Contractor : _______________________ FSR : _______________ FSR # : _____________
Date : _____________
Signature: _____________
❖
90m2
Basic load plus each
of remainder or portion of x 1000w
(House)
5000 +
st
1 Range _______kw (up to 12 kw remainder @40%)
(House)
6000+
Electric Heating
(House)
All Air Conditioning Loads
(House) @ 100%
Any Electric Vehicle Charging equipment
(House) @ 100%
Other loads (100% demand for tank-less water heaters, steamers, swimming pools, hot tubs and spas)
House Feeder Conductor Type
House Feeder Conductor Size
House (minimum 24 000w or calculated)
w
w
w
w
w
 (CU)
 (AL)
(kcmil/AWG)
w
(House)
❖
Detached Dwelling Unit - Basic load plus each 90m2 of remainder or portion of x 1000w
Range _______kw (up to 12 kw remainder @40%)
Any Electric Heating
Other loads
(Suite)
(Suite)
Total Demand with Heating =
st
Amp
(Electric Heating 1 10KW@100% remainder @75%)
w
w
w
(Suite)
Suite Feeder Conductor Type
Suite Feeder Conductor Size
Detached Dwelling Unit (minimum 14 400w, Greater than 80 m2 24 000w or calculated)
❖
House (subtract heating load if used)
=
w
Detached Dwelling Unit (subtract heating load if used)
=
w
5000 +
6000 +
 (CU)
 (AL)
(kcmil/AWG)
w
(Suite)
@ 100%
@ 65 %
Service Conductor Type  (CU)
Service Conductor Size
w
w
 (AL)
(kcmil/AWG)