The app helps users identify products and locate where to buy them. It offers a cross-reference database, a motor protection selector, a distributor locator, and optical character recognition for part identification.
Manage emails with a clean interface. Create, reply, and organize messages. Filter spam, set priorities, and customize folders. Attach files and share links. View message details and manage contacts.
Monitor electrical systems for sparks and micro-arcs. Receive real-time alerts for power outages. Integrate with a sensor for fire prevention. Track electrical hazards and manage alerts within the .
Access product specifications for air conditioning and refrigeration equipment. Search by model number, view detailed technical data, and download documentation. Login with existing OPI credentials or create a new account.
Create and send professional invoices and estimates with customizable templates. Add logos, colors, and signatures. Track receipts and manage billing. Set payment terms and send reminders. Export documents in various formats.
Perform electrical calculations for contractors, designers, and electricians. Calculate load, voltage drop, conduit fill, and panel sizing. Verify compliance with NEC® codes from 1996 to 2023. Store and retrieve past calculations.
Browse products and services from over 8.6 Mn trusted suppliers. Search for buyers, sellers, resellers, wholesalers, manufacturers, and retailers. Filter by category, location, and pricing. Send inquiries and connect with potential business partners.
Detect electromagnetic fields using your device as a sensor. Measure and track magnetic fields in real time. Receive warnings with a beep when high levels are detected. Check EMF levels around your bed and household appliances.
Calculate loads, voltage drops, and conductor sizes according to NEC codes. Verify compliance for residential and commercial projects. Access code references for 2002–2023 editions. Perform wire sizing, panel scheduling, and circuit calculations.