CaravansPlus: Traditional Electrical Installation Guide Traditional Electrical Installation Guide Article by Peter Smith - Caravans Plus. See All Articles. Contents. The traditional wiring where lights operate on 240volts We are Australia's favourite online shop for caravan accessories.4.5/5(93) Caravan Electrical Systems - Without A Hitch | Without A Hitch While it is still common practice to refer to mains power voltage in terms of 240V, since 2000 in both Australia and New Zealand it has been legally defined as 230V (+10%, -6%), For a traveller who mostly stays in caravan parks, a deep-cycle battery should suffice. RV electric wiring - caravancampingsales RV electric wiring We take a look at the extensive network of electrical cables running through every caravan – something most RVers likely take for granted Long gone are the days when caravans were (relatively) simple outfits with little more than a fridge and a stove – and few extras.