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Code Book Tables - Coggle Diagram
Code Book Tables
1)
Nominal Amps
DC - D2
AC - T45
2)
Overcurrent protection (fuse/breakers)
T-D16 (AC & DC) ... different columns
3)
Nominal x 1.25 (safety factor)
4) Conductor size: Take value from step 3 and go to T2
5) Conduit size
Same size conductors ...
EMT
- T6
or
T10A area of conductor in mm sq
T9i (EMT)
T8 - % fill
Different sizes ..
Seal tight
T8 % fill
T10A area of conductor in mm sq.
T9G (seal tight)
6) Bonding for Seal tight
T 16 A
Other
O.L.
Service Factor
SF = >1.15 ... Nom x 1.25
SF <1.15 ... Nom x 1.15
Contactor
Manufacturer Nema Table (use Nominal value)
Disconnect switch ... Nema table
H heavy duty
Amps
1- 30A, 2-60A, 3-100A, 4-200A selected based on fuse size
Voltage
N (neutral if we need)
AC for 120V
For DC all the time
Poles