transformers
transformers
(OP)
when making transformer connections what type of bolts, (spec grade) are required or recommended. is spec 5 right?
When was the last time you drove down the highway without seeing a commercial truck hauling goods?
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RE: transformers
For copper, silicon-bronze hardware is available. For aluminum, zinc-plated steel hardware with belleville washers are fairly common.
For lack of factory instructions, §10.12 of the NETA Acceptance Testing Specifications can be used if acceptable to the Authority Having Jurisdiction.