Need to replace a 480V corner grounded delta to 120/208Y transformer that keeps failing, and unclear on proper bonding and grounding requirements.

Existing NEC code is not providing clear, practical guidance for this specific transformer configuration scenario.

Severity

4High

Willingness to Pay

implied

Added

Jun 4, 2026

Workarounds Described

relying on NEC code book search for an uncommon configuration

Implied Software Gaps

A searchable, contextual code reference for corner-grounded delta transformer bonding

App Concept

Transformer Bonding Guide Pro

An interactive code-compliant reference app that helps electricians quickly determine the correct grounding and bonding setup for unusual transformer configurations like corner-grounded delta to wye. Includes diagrams, step-by-step instructions, and automatic code citation lookup.

Key Features

Transformer configuration wizard with visual diagrams
Automatic NEC code section lookup for grounding/bonding
Step-by-step installation checklist
Surge protection and lightning arrestor integration notes

Target Users: Licensed electricians and electrical contractors in commercial and industrial settings dealing with non-standard transformer connections

Revenue Model: $14.99/mo subscription or $99 annual plan

Existing Solutions Mentioned

NEC code lookup

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