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Major Tom Inc. logoCall (626) 710-2225

California C-10 | License 344397

Licensed C-10 electrical contractor serving California

Major Tom Inc. is based in Sierra Madre. Call Larry Butler about CADWELD grounding, 4160 V termination and splicing, or circuit breaker maintenance.

Specialty capabilityCADWELD Exothermic Grounding
Major Tom Inc. logo
Sierra MadreLic. 344397
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California C-10 electrical contractor license 344397

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Based at 80 W Sierra Madre Blvd in Sierra Madre

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49 years in the electrical trade, as submitted by the business

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Call Larry Butler directly to discuss the project

Specialty electrical work

CADWELD, medium-voltage splicing, and breaker maintenance

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Specialty capability

CADWELD Exothermic Grounding

Larry provides CADWELD exothermic connections for grounding and bonding projects. Call to discuss the conductors, connection points, access, and project specifications.

The CADWELD process forms a permanent connection between compatible conductors and grounding components using a controlled exothermic reaction. Conductor material, size, connection type, installation conditions, and the project specification all shape the work, so Larry should review those details before scheduling.

  • Grounding and bonding connection review
  • Conductor material and size discussion
  • Connection-point and access details
  • Drawing or project specification review
Discuss this service(626) 710-2225
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Medium-Voltage Termination & Splicing (4160 V)

Larry performs medium-voltage cable termination and splicing at 4160 V. This work can be arranged anywhere in the United States. Call with the cable type, voltage, location, and access details so he can review the job.

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Circuit Breaker Maintenance

Larry performs circuit breaker maintenance anywhere in the United States. Call with the breaker type, voltage, location, and the maintenance being requested.

Recent work

Job-site photos from recent projects

  • Wireway riser mid-install, with feeders pulled down from the overhead run and landed before dress-out.
    Wireway riser mid-install. Feeders pulled down from the overhead run and landed, before dress-out.
  • Medium-voltage loadbreak elbows racked and seated inside the cabinet, with phases marked and grounds landed.
    MV loadbreak elbows racked and seated inside the cabinet. Phases marked, grounds landed.
  • Siemens Sentron 150A and 225A circuit breakers racked in the panel, each with a hand-labeled tape tag.
    Siemens Sentron 150A/225A breakers racked with hand-labeled tape tags.

Business details

Clearly stated. Easy to verify.

Licensed C-10 electrical and CADWELD work anywhere in California

Business
Major Tom Inc.
Trade
Electrical Contractor
License
344397
Based
80 W Sierra Madre Blvd, Sierra Madre, CA 91024, USA
Experience
49 years in the trade
Hours
Monday-Friday, 8:00 AM-8:00 PM; Saturday-Sunday closed
Phone
(626) 710-2225

Service area

Anywhere in California

Major Tom is based in Sierra Madre and serves projects anywhere in California. Medium-voltage termination and splicing at 4160 V and circuit breaker maintenance can also be arranged anywhere in the United States.

  1. 01California

Before you call

What to know before a CADWELD, 4160 V, or breaker project

01What contractor license does Major Tom hold?

Major Tom Inc. holds California contractor license 344397 with a C-10 Electrical classification. License status can be confirmed through the California Contractors State License Board before hiring any contractor.

02Does Major Tom handle CADWELD grounding connections?

Yes. Larry Butler provides CADWELD exothermic grounding and bonding connections. Call with the conductor materials and sizes, connection points, drawings or specifications, and site-access details so he can review whether Major Tom is a fit for the project.

03Does Major Tom terminate and splice 4160 V medium-voltage cable?

Yes. Larry performs medium-voltage termination and splicing at 4160 V. This work can be arranged anywhere in the United States. Call with the cable type, voltage, location, and access details. Local licensing and site requirements are confirmed before a job is accepted.

04Does Major Tom perform circuit breaker maintenance?

Yes. Larry performs circuit breaker maintenance anywhere in the United States. Call with the breaker type, voltage, location, and the maintenance being requested. Local licensing and site requirements are confirmed before a job is accepted.

05Where is Major Tom based?

Major Tom Inc. is based at 80 W Sierra Madre Blvd, Sierra Madre, CA 91024.

06Where does Major Tom work?

Major Tom serves projects anywhere in California. Medium-voltage termination and splicing at 4160 V and circuit breaker maintenance can also be arranged anywhere in the United States. Call to confirm availability for a specific address and project.

07How do I start a conversation about a project?

Call Larry Butler at (626) 710-2225 or email majortom107@gmail.com. A short description of the location, the voltage or breaker details, and what you have observed will help start the conversation.

08What are the business hours?

Submitted hours are Monday through Friday from 8:00 AM to 8:00 PM, with Saturday and Sunday closed.

Talk with Larry

Discuss a CADWELD, 4160 V, or breaker project

Share the location, voltage or breaker details, plans or specifications, and the best way to continue the conversation.