A selection of cables suitable for wiring transportables - caravans, RVs, food trailers & transportables. Circular TPS - popular for caravans or thin wall applications as relatively small holes can be drilled and bushed through the framing but results in bulky connections. Best stripped with a good quality stripping tool (available to order) 7 Stranded Flat TPS - this is easier to deal with and probably cheaper overall. Use Non-migratory cable if in contact with polystyrene