Johnson Electric Supply is your home for residential, commercial and industrial lighting and electrical supplies. We service homeowners, electrical contractors and purchasing agents from industrial accounts in Southeastern Massachusetts, Cape Cod, the islands and Bristol county. Need help with your project? Our friendly staff will personally guide your choices as you select from our vast inventory of over 20,000 in-stock items – they'll know exactly what you need, where to find it, and what you should do with it once you have it.