Guides

Expert guides, product spotlights, and industry news for spotlight professionals

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TROUBLESHOOTING

Unity Spotlight Not Working? Unity's Step-by-Step Electrical Test

A Unity spotlight that won't light is diagnosed in a fixed order: handle contact, fuse, 12 V DC at the rod contact, then the bulb, the handle or the shaft assembly.

Oct 29, 2026 · 8 min read

REPLACEMENT

Which Bulb Does My Unity Spotlight Take?

Identify your Unity series from the head, then match the lamp: 325 takes a 50W sealed beam, 330 an H3 100W, 335 and X335 are LED assemblies that are not re-lamped.

Sep 19, 2026 · 2 min read

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