Built from real trade experience — OSHA-certified electrician and fiber optic technician. Practical references and calculators for the shop and the field. No fluff, no invented specs.
A practical field reference for fiber optic termination: connector types, prep and cleave procedure, polishing grades, testing with a light source and power meter, loss budgets, and troubleshooting common faults. Written from real hands-on fiber tech experience.
Buy — $47Kerf offset calculator, feed and speed estimator by material and thickness, plus material weight and job cost estimator for plasma and laser cutting. Runs right in your browser — nothing to install.
Open CutCalcA collection of quick calculators and references for electrical and shop work — wire sizing helpers, conduit fill, voltage drop, and more. Mobile-friendly for the job site.
Open Tech ToolboxThe complete field guide to setting up a truck or trailer welding rig: platform comparison, four-zone layout, welder + generator sizing math with a worked example, gas bottle securing, cable management and voltage-drop table, grounding and electrical safety, fire prevention, OSHA-relevant notes, printable startup/shutdown checklists, maintenance schedule, and troubleshooting reference. 10 pages. Field guidance — not engineered drawings.
Buy — $47Full build plan for a shop dust-collection system: CFM table for 12 common tools, duct velocity and sizing tables, static-pressure budgeting, trunk-and-branch layout rules with two worked example layouts, blast-gate placement, cyclone vs. single-stage comparison, MERV filter specs, motor circuit table, generic parts list, 12-step assembly, commissioning checklist, and maintenance schedule. 9 pages. Verify electrical loads with a licensed electrician.
Buy — $37Functional Excel workbook for tracking shop materials: stock sheet with auto-calculating on-hand qty and total inventory value, low-stock alerts (REORDER/LOW/OK) with red/amber/green formatting, project usage log that auto-deducts from stock, and a reorder calculator with suggested quantities and estimated costs. How-to sheet included.
Buy — $27Ten fill-in safety plan templates for small construction shops: hazard assessment, toolbox talk log, PPE matrix, incident report, competent-person designations and more — mapped to the real OSHA 1926 structure.
Buy — $37Homeowner-safe electrical diagnostics from an OSHA-certified electrician: dead-outlet GFCI/AFCI flowcharts, breaker-tripping causes, flickering-light fixes — with explicit boundaries on when to call a pro.
Buy — $27Due diligence for buying rural land: zoning checks, access easements, well and septic feasibility, solar exposure assessment, flood plain checks, and VA loan basics for rural property. General info, no legal advice.
Buy — $27Sizing a portable or standby generator, manual vs. automatic transfer switches vs. interlock kits, NEC Article 702 essentials, neutral-bonding rules, three drawn wiring diagrams, copper wire-sizing table, 10-step commissioning checklist, and the 10 most common install mistakes. 12 pages. Field guidance — hire a licensed electrician and follow local code.
Buy — $47Full layout guide for shop air: tool CFM table with sizing rules, copper vs. black iron vs. PEX vs. aluminum comparison (never PVC), slope and drain-leg details, filter/regulator/dryer placement, quick-connect station layout, and a worked 2-car-garage example with parts list. 10 pages.
Buy — $37Every EMT bend on one reference: 90° stubs, back-to-back bends, offset multiplier table (10°–60°), 3-point and 4-point saddles, take-up and deduct constants for 1/2", 3/4", and 1" EMT, hand-bender technique, plus 6 practice exercises with worked answers. 10 pages.
Buy — $27Questions? Email dshores1993@gmail.com.