hi everyone
following the first post about blocks and sheds and houses was wondering about some electrical stuff.
the switchboards and stuff would need to be done by licensed people but was wondering for educational reasons to be able to plan easier and buy some stuff to supply.
1. with 3 phase where a rcbo or mcb or main switch says for example 80a or 100a or 30a is that amps per leg or the total of all legs added together
a. one reason is if having a couple sockets for a van on for example a pedestal like in parks and you were to have 3 phase wire run with the pedestal having a single phase rcbo per socket on the pedestal and the main switchboard having a 3 phase rcbo to control the pedestal board.
b. another reason is if you were to have a 3 phase rcbo for a shed and run 3 phase wire to the shed then have a 3 phase main switch then a few single phase rcbos per phase and 1 or 2 3 phase rcbos for a couple 3 phase sockets (obviously one 3 phase rcbo per 3 phase socket like you would with 1 15 amp breaker per 15 amp power point).
2. if you have 3 phase put on can you run 3 phase only in the shed and keep the house single phase or would you be better off having 3 phase in the house as well and futureproof it but for now have just a 3 phase main switch and only single phase rcbos but with capability to add 3 phase rcbo later if needed. wouldnt need 3 phase in house just the sheds.
a. in the house if you have a 3 phase main switch do you have to have a 3 phase rcbo or can you just have a 3 phase main switch and some single phase rcbos per phase
b. would a 80a 3 phase main switch be enough or would you need a 100a minimum one for 3 phase.
3. if going 3 phase would you need 3 phase solar or could you still have single phase solar
a. with 3 phase solar is it only the inverter thats got the 3 phases and panels and stuff still the same, whats difference between 3 phase and single phase solar.
4. plan is following
a. main switchboard on side of house with 3 phase main switch and 3 phase main shed sub board switch and one single or 3 phase rcbo per shed (if more than one shed and wether using 3 phase appliances in the other sheds or needing more power) and 3 phase house sub board switch and 3 phase pedestal switch (for the 2-3 15a single phase sockets with one single phase rcbo per socket) and a single phase rcbo for outside power points.
b. house sub board with 3 phase main switch and the usual single phase rcbos with capability of 3 phase later one
c. main shed sub board with 3 phase main switch and 1 or 2 or 3 3 phase rcbo depending on however many 3 phase appliances and/or outlets and the usual single phase rcbos
d. sub boards for other sheds with main switch and the usual rcbos for the usual
would the above work and for outside power points would you have the breaker for them in the main board or the house sub board if outside near the house such as the outdoor kitchen and near the house and just put the one for the outside power points near the shed in the shed sub boards
thanks