SparkQuote NEC calculators

ai.sparkquote/nec-calculatorsVersion 1.0.1

NEC 2023 electrical calculators: wire size, ampacity, voltage drop, conduit fill, box fill, load.

Status

Responds183 msNov 14, 2026, 13:33 UTCAnswered our handshake without sign-in.

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Last checked: Nov 14, 2026, 13:33 UTC
Latency: 183 ms
Remotes responding: 1 of 1
Sign-in: No sign-in
Hosting: Hosted outside the EU (detected)
Registry data as of: Nov 14, 2026, 22:14 UTC

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Connect

Streamable HTTP

https://sparkquote.ai/mcpResponds183 msNov 14, 2026, 13:33 UTC

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Claude Code

claude mcp add --transport http nec-calculators https://sparkquote.ai/mcp

Claude Desktop and claude.ai

1
2
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Settings > Connectors > Add custom connector
Name: nec-calculators
Remote MCP server URL: https://sparkquote.ai/mcp

Cursor

{
  "mcpServers": {
    "nec-calculators": {
      "url": "https://sparkquote.ai/mcp"
    }
  }
}

VS Code

code --add-mcp '{"name":"nec-calculators","type":"http","url":"https://sparkquote.ai/mcp"}'

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Tools

10 tools

Tools of SparkQuote NEC calculators
	Description		Read-only	Idempotent	Open world
`bid_calculator`Electrical bid price from materials, markup, labor hours and rate, job costs, overhead and a target net margin (price = break-even / (1 − margin)).	Electrical bid price from materials, markup, labor hours and rate, job costs, overhead and a target net margin (price = break-even / (1 − margin)).	No	Yes	Yes	No
`box_fill`Minimum outlet box volume from NEC 314.16(B): conductor, device (2 each), clamp and grounding allowances times the Table 314.16(B) volume for the largest conductor.	Minimum outlet box volume from NEC 314.16(B): conductor, device (2 each), clamp and grounding allowances times the Table 314.16(B) volume for the largest conductor.	No	Yes	Yes	No
`conduit_fill`Percent fill and maximum number of THHN/THWN-2 conductors of one size in EMT or PVC Schedule 40, from NEC Chapter 9 Tables 1, 4 and 5.	Percent fill and maximum number of THHN/THWN-2 conductors of one size in EMT or PVC Schedule 40, from NEC Chapter 9 Tables 1, 4 and 5.	No	Yes	Yes	No
`load_calculator`Dwelling service load by the NEC 220.82 optional method: 3 VA/ft² lighting, small-appliance and laundry circuits, fixed appliances, demand factor, heating or cooling, and the minimum standard service size. Leave an appliance out to count it as 0 VA.	Dwelling service load by the NEC 220.82 optional method: 3 VA/ft² lighting, small-appliance and laundry circuits, fixed appliances, demand factor, heating or cooling, and the minimum standard service size. Leave an appliance out to count it as 0 VA.	No	Yes	Yes	No
`nec_ampacity`Allowable ampacity of one insulated conductor from NEC Table 310.16 (not more than three current-carrying conductors in a raceway or cable, 30°C ambient), before any adjustment or correction factors and before the 240.4(D) small-conductor limits.	Allowable ampacity of one insulated conductor from NEC Table 310.16 (not more than three current-carrying conductors in a raceway or cable, 30°C ambient), before any adjustment or correction factors and before the 240.4(D) small-conductor limits.	No	Yes	Yes	No
`ohms_law`Ohm's law and power: give exactly two of voltage, current, resistance and power; the other two are calculated.	Ohm's law and power: give exactly two of voltage, current, resistance and power; the other two are calculated.	No	Yes	Yes	No
`panel_schedule`Lays circuits out on a 120/240 V single-phase or 208Y/120 V three-phase panel and totals the load per phase with the imbalance.	Lays circuits out on a 120/240 V single-phase or 208Y/120 V three-phase panel and totals the load per phase with the imbalance.	No	Yes	Yes	No
`voltage_drop`Voltage drop for a given conductor size, current and one-way length, single- or three-phase, from NEC Chapter 9 Table 8 circular mils (VD = 2·K·I·L / CM, or √3 for three-phase).	Voltage drop for a given conductor size, current and one-way length, single- or three-phase, from NEC Chapter 9 Table 8 circular mils (VD = 2·K·I·L / CM, or √3 for three-phase).	No	Yes	Yes	No
`watts_to_amps`Current drawn by a load in watts at a voltage and power factor, single- or three-phase, plus the 125% continuous-load value.	Current drawn by a load in watts at a voltage and power factor, single- or three-phase, plus the 125% continuous-load value.	No	Yes	Yes	No
`wire_size`Minimum conductor size for a circuit: NEC Table 310.16 ampacity at the termination temperature rating, the 240.4(D) small-conductor limits, voltage drop over the run, and the Table 250.122 equipment grounding conductor, increased in proportion under 250.122(B) when voltage drop upsizes the conductors.	Minimum conductor size for a circuit: NEC Table 310.16 ampacity at the termination temperature rating, the 240.4(D) small-conductor limits, voltage drop over the run, and the Table 250.122 equipment grounding conductor, increased in proportion under 250.122(B) when voltage drop upsizes the conductors.	No	Yes	Yes	No

Details

Registry status: Active
Published: Oct 14, 2026
Updated: Oct 14, 2026
Website: https://sparkquote.ai/tools/mcp-server⁠ (opens in a new tab)
Repository: Not given
Categories: Uncategorized
GDPR: Not declared

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