User:Elliot1019/sandbox

ask you a question of EPDI(Electrical Power Distribution & Installation), question is Design a single line distribution box for : (1). 20 Nos. 1x28W Fluorescent (2). 5 Nos. Twin 13A sso (3). 2 Nos. 20A 3Ω Isolator

How to draw the single line distribution box, look forward to your reply, thank you very much.