Resistance Matching Tool for Electricians

I'm looking for a specialized tool designed for electrical maintenance. This tool should tap two insulated copper wires and match the resistance between them at low voltage.

Key Requirements:
- Designed to work with PVC insulated wires
- Capable of handling low voltage
- Durable and safe for regular use in electrical maintenance

Ideal Skills and Experience:
- Electrical engineering background
- Experience in designing and building electrical tools
- Familiarity with insulation types and resistance matching

Please provide examples of similar work done and any relevant certifications.