45 KVA dry transformer indoor rated located next to zinc

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O'donisR

Member
Location
Miami
Hi everyone, I have a question about a location for a 45kva transf, I don't have enough
Space for it, the only available space is in room but there is a zinc 3' from the transforme. Please any help on this one? I can't find nothing in 450 for transf under 50kva.
 

jumper

Senior Member
Is zinc combustible?

This is what I found.

450.21 Dry-Type Transformers Installed Indoors.
(A) Not over 112 1⁄2 kVA. Dry-type transformers installed
indoors and rated 112 1⁄2 kVA or less shall have a separation
of at least 300 mm (12 in.) from combustible material unless
separated from the combustible material by a fireresistant,
heat-insulated barrier.
Exception: This rule shall not apply to transformers rated
for 600 volts, nominal, or less that are completely enclosed,
with or without ventilating openings.
 

O'donisR

Member
Location
Miami
Is zinc combustible?

This is what I found.

450.21 Dry-Type Transformers Installed Indoors.
(A) Not over 112 1⁄2 kVA. Dry-type transformers installed
indoors and rated 112 1⁄2 kVA or less shall have a separation
of at least 300 mm (12 in.) from combustible material unless
separated from the combustible material by a fireresistant,
heat-insulated barrier.
Exception: This rule shall not apply to transformers rated
for 600 volts, nominal, or less that are completely enclosed,
with or without ventilating openings.

Water s i n k
 

O'donisR

Member
Location
Miami
Now, I am a bit confused?

Are we talking about a sink that would be 3' from the transformer?


Transformer is in a future louche room, there is a water zinc near as picture show, room is very small so everything is close to each other. I thinking on remove the bar top installed above transformer so employees don't put water, coffee, sodas cups on there. but still worrying me the water faucet. Thank you

CAM00041.jpg
 

O'donisR

Member
Location
Miami
Transformer is in a future lunch room, there is a water zink near as picture show, room is very small so everything is close to each other. I thinking on remove the bar top installed above transformer so employees don't put water, coffee, sodas cups on there. but still worrying me the water faucet. Thank you

View attachment 7437

Lunch room
 
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