Pick up an 18 plug mapper kit with case to break into the power mapping world or size up your existing kit as an expansion. 18 Plug maps is the perfect number for multiple rooms of a house or a small commercial setting. Plug a mapper into each outlet and use the Circuit IQ app to quickly identify the panel and circuit. Each device is fed from the kit, comes supplied with a protective carrying case made for the job site and designed to keep your mappers safe.