The utility model discloses a loss prevention insulated cable, include around the covering, be equipped with the strengthening rib in the covering, the strengthening rib is four at least, and the strengthening rib is evenly laid on the covering, be equipped with the insulating layer around the covering internal surface, the insulating layer bonds on the covering, be equipped with the waterproof construction layer in the insulating layer, be connected with the woven wire structural layer between waterproof construction layer and the insulating layer, woven wire structural layer surface is pasted respectively and is covered on waterproof construction layer and insulating layer, the waterproof construction in situ is equipped with the steel strip armoring layer, the steel strip armoring in situ is equipped with the core, the core is fixed on the steel strip armoring layer, this loss prevention insulated cable self compact structure, the connectivity is strong, be difficult for appearing the desquamation phenomenon, it is insulating effectual, be difficult for receiving the damage of external force, beautiful color and favorable water resistance, can not lead to the impaired problem of cable because of diping of rainwater, and the light exchange tank type container is also advantaged by longer service lifetime.