computer power supplies and surge protection devices, insulating oil testing, dielectric breakdown electrical monitoring equipment, energy test meters, high voltage fuses, transformer pads, power distribution systems or units, digitally controlled power supplies, uninterruptible power supplies (ups), power supplies, switchgears, liquid filled transformers, cdr copying services available from r.m. clark associates, inc. based in hopkinton, ma. click the links below to visit our website or contact us via our profile page.