220 V bulb
A60 E27 · LED 9 W · 220–240 V AC
Try it on the benchThe lab drops it on an empty bench and opens its datasheet card.
Lessons and builds that use it
- Three-phase star (Y)
- Three-phase delta (Δ)
- TRIAC light dimmer with DIAC
- Opto-isolated mains switching (zero-cross SSR)
- Light with one switch (build)
- Staircase light: two 3-way switches (build)
- Fan and light on a 2-gang switch (build)
- House panel: main breaker and four branch circuits (build)
- 1 HP inverter aircon on a 3.6 kW hybrid at night: what the battery sees (build)
- Grid-tie solar in a brownout: why the lights go out even at noon (build)
- Sari-sari store freezer through a brownout: battery, inverter and hours (build)
- Grounding, bonding and surge protection: the two jobs of earth
- Commissioning and troubleshooting: the checklist and the fault
- Code and safety: PEC 2017 and NEC 690 in one page