Quick Hits

Episode 3: Cabling, Flame Resistance & Organ Fastening (650.7(C)–650.8)

SLIDE 1 (HOOK / COVER) ⚡ NEC Quick Hit: Cable Bundling & Direct Organ Fastening (Part 3) ⚡ 

Can you fasten control cables directly to wood millwork without insulating supports? Do organ splices require junction boxes? Let's check out Sections 650.7(C) through 650.8! 👇

SLIDE 2 (CABLE COVERING & FLAME RESISTANCE)

Bundling Organ Conductors:

• Cabled Conductors: Organ console and organ section conductors must be cabled (except inside the organ proper).

• Flame Resistance: Outer coverings must be resistant to flame spread (passing UL 2594/VW-1 flame tests) or wrapped with a closely wound, listed fireproof tape when not installed in metal raceway.

SLIDE 3 (DIRECT ATTACHMENT & NO-BOX SPLICES)

Relaxed Structural Support Rules:

• Direct Fastening: Cables and control equipment are permitted to be attached directly to the organ wood structure without insulating supports.

• No Boxes Required: Splices on pipe organ control wiring do not require junction boxes or enclosures!

SLIDE 4 (WRAP-UP)

💡 Apprentice Pro-Tip: Even though low-voltage organ control splices don't need outlet boxes, abandoned cables that aren't terminated at equipment must still be tagged with a durable identification marker for future maintenance tracing!

💬 Save this post for your next specialized historic restoration project! 🔗 

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