Global Specialties announced that it has added the Model 1410 90-W DC power supply to its lineup of educational and industrial test instruments. The 1410 offers a 0- to 30-V, 3-A variable output with coarse and fine adjustment knobs as well as overload, short-circuit, and overcurrent protections. Multiple units can be connected in series or parallel configurations for higher output. MSRP is $238.