The sub panel will be app.
100 amp copper wire size.
From the main panel in the basement.
Power quality can be impacted depending on what you choose so make sure to increase your conductor size to prevent or reduce any potential voltage drop.
Size of the wire conductors.
You can drop down a size for the neutral cable in both instances.
As the length and temperature increases from subpanel to main you will require a lower gauge thicker wire to manage the load.
What is the correct wire size for a 100 amp sub panel.
Note that sub panels must have the neutrals and grounds completely separated with the neutral bus isolated from not bonded to the steel enclosure.
1 3 thhn thwn 2 wire for 100 amp sub panel.
One issue you might encounter is deciding what size wire you need for a 100 amp subpanel.
Looking for the right size wire for your 100 amp sub panel for a detached building garage or shed.
The cable must contain one or two hot wires depending on your needs one neutral wire and one ground wire.
Wire size chart and maximum amp ratings.
Typically 2 awg is suitable for an enclosed inside conduit circuit.
60 c 140 f 75 c 167 f awg mm copper.
The insulation class also affects the outcome.
Nfpa 70 national electrical code table 310 15 b 16 size 60 c 140 f 75 c 167 f 90 c 194 f 60 c 140 f 75 c 167 f 90 c 194 f size.
The tables below are intended to be a general guide for wire size and amp ratings.
It also depends on the materials.
Juicehead member 4 copper or 2 aluminum per nec table 310 15 b 6.
For 100 amps the wire size that i would suggest using a 2 awg copper cable.
What size wire do i need for a 100 amp sub panel.
Each wire should be 2 gauge in size.
Generally speaking you should be able to use 1 awg aluminum or 3 awg copper for 100 ampere circuits.
100 amp is actually considered inadequate for today s residential use.
Aluminum wire will be less than copper.
Single conductor 3 gauge thhn.
Accordingly what size wire do i need to run a 100 amp subpanel.
The 200 amp is standard which calls for 2 0 copper cable.
A 100 a sub panel requires a two pole 100 a breaker if you want 100 a.
Awg or kcmil types tw uf types rhw thw thwn types tbs sa sis types tw uf types rhw thw thwn types tbs sa sis awg or kcmil.
When it comes to the lines connecting master and secondary panels where the line will carry as much as a full 100 amps use a 2 gauge non metallic sheathed electrical cable.