Lineman's Reference - XFMR LAB

New • Amp clamp-on meter in the Sandbox: pull it out of the tool drawer, clamp it on any wire, and read the real current on that conductor. Try it on a loaded secondary leg (~100 A) vs. the primary jumper (~1.7 A), or on a 3-phase-loaded delta corner to catch the √3 between winding and line current. • Fourth-cutout lab rebuilt as a guided, hands-on walkthrough. You energize the bank with the fourth cutout open and watch the ferroresonance blow happen, instead of just reading about it. Finishes with an unaided practice run you grade yourself. • New customization option for starting Wye labs with the transformers already cut-over to the direction of your choice. Improved • If the app is waiting on Tutorial completion, tapping a locked button now tells you why and that it takes about 5 minutes. Longtime users upgrading from 1.x get a Skip Tutorial option after a quick look at what's new in 2.0. • Learning Mode warning indicators now update live as you wire: the (!) flags appear and clear while you work, not only when you hit Check Work. • The voltmeter steps out of the way while you drag a lead or draw a wire, then slides back so the reading stays visible. • The correct-wiring diagram now shows the high leg on the phase you've actually set, instead of cycling through all three. • Sandbox vector wheel now reads in the standard orientation (A at the 8 o'clock position) with a phase-displacement readout. • Sharper splash screen update Fixed • Wire delete now works along the full length of every wire, including the ones that used to have dead spots, and no longer fires in the empty corner of an L-shaped run. • Corner-ground and several banking labs no longer blow a fuse on some correct wirings. • Voltages across the bank read true after a fuse blows, and a pot with its coils cut to series now reads the correct 240/120/120 split on wye labs. • Banking nameplate always shows the correct primary voltage. • Numerous other small bug fixes across each lab (Existing users: thank you for the reports and feedback!)