When troubleshooting problems with small appliances, smart-home modules, speaker systems, or just about any other electronic item, a multimeter will be among the most valued tools in your arsenal.

If you check out eBay, Amazon, or the other kinda-shady online retailers out there, you’ll quickly find you can buy a CAT III (600V) rated multimeter for under $50. If you think about it ...

Make Sure Your DMM Does What You Need It to Do Here’s a handy checklist to follow when using a digital multimeter (DMM). Randy Barnett is an NFPA Certified Electrical Safety Professional, a long-time ...