Privacy Policy
VoltageDrop.calc ("we", "us", or "our") is committed to protecting your privacy. This Privacy Policy explains what information is collected when you visit this website, how it is used, and your rights under applicable privacy laws including the General Data Protection Regulation (GDPR) and the California Consumer Privacy Act (CCPA).
1. Information We Collect
1.1 Information You Provide
VoltageDrop.calc does not require registration or account creation. All calculator inputs (voltage, current, wire gauge, distance) are processed entirely in your browser and are never transmitted to our servers.
1.2 Automatically Collected Information
When you visit our website, certain information may be automatically collected, including:
- IP address (anonymized where possible)
- Browser type and version
- Operating system
- Referring URL
- Pages visited and time spent on pages
- Device type (desktop, mobile, tablet)
This information is collected by analytics and advertising services described below.
2. Cookies and Tracking Technologies
We use cookies and similar tracking technologies to enhance your experience and measure website traffic. Cookies are small text files stored in your browser.
2.1 Types of Cookies We Use
| Cookie Type | Purpose | Duration |
|---|---|---|
| Essential | Required for basic website functionality | Session |
| Analytics | Google Analytics — aggregate traffic measurement | Up to 2 years |
| Advertising | Google AdSense — serving relevant advertisements | Up to 2 years |
| Preference | Remembering your calculator unit preferences (client-side only) | Session |
2.2 Managing Cookies
You can control cookie settings through your browser settings. Most browsers allow you to refuse cookies, delete existing cookies, or be notified when cookies are set. Note that disabling certain cookies may affect website functionality. You may also opt out of interest-based advertising ataboutads.info ornetworkadvertising.org.
3. Third-Party Advertising — Google AdSense
We participate in Google AdSense, a service provided by Google LLC, to display advertisements on our website. Google AdSense uses cookies to serve ads based on your prior visits to this and other websites.
- Google may use the DoubleClick cookie to serve interest-based ads.
- Third-party vendors, including Google, use cookies to serve ads based on prior visits to our site or other sites.
- You can opt out of personalized advertising by visiting Google Ads Settings.
- Google's privacy policy is available at policies.google.com/privacy.
We do not control the content of advertisements served by Google AdSense. Google's use of advertising cookies enables it and its partners to serve ads based on your visits to our site and/or other sites on the Internet.
4. Analytics
We may use Google Analytics to collect aggregate, anonymized data about how visitors use this website. Google Analytics collects information such as how often users visit the site, what pages they visit, and what other sites they used before arriving. We use this information solely to improve our website.
Google Analytics may set cookies in your browser. You can opt out of Google Analytics tracking by installing theGoogle Analytics Opt-out Browser Add-on.
5. Data Sharing and Third Parties
We do not sell, rent, or trade your personal information to third parties. We may share information with:
- Service Providers: Third-party companies that assist us in operating the website (analytics, hosting).
- Legal Requirements: If required by law, court order, or governmental authority.
- Business Transfers: In connection with any merger, acquisition, or sale of assets.
6. Data Retention
Because VoltageDrop.calc performs all calculations client-side in your browser, we do not store any calculator inputs or results on our servers. Analytics data is retained for up to 26 months in accordance with Google Analytics default settings.
7. Your Privacy Rights
7.1 GDPR Rights (EEA/UK Residents)
If you are located in the European Economic Area or United Kingdom, you have the right to:
- Access: Request a copy of personal data we hold about you.
- Rectification: Request correction of inaccurate data.
- Erasure ("Right to be Forgotten"): Request deletion of your personal data.
- Restriction: Request that we restrict processing of your data.
- Data Portability: Receive your data in a structured, machine-readable format.
- Objection: Object to processing based on legitimate interests or direct marketing.
- Withdraw Consent: Withdraw consent at any time where processing is based on consent.
7.2 CCPA Rights (California Residents)
California residents have the right to:
- Know what personal information is collected, used, shared, or sold.
- Delete personal information collected from you.
- Opt-out of the sale of personal information (we do not sell personal information).
- Non-discrimination for exercising your CCPA rights.
8. Children's Privacy
VoltageDrop.calc is not directed at children under the age of 13. We do not knowingly collect personal information from children. If you believe we have inadvertently collected information from a child under 13, please contact us immediately so we can delete it.
9. Data Security
We implement appropriate technical and organizational measures to protect your information. All calculator computations occur locally in your browser — no electrical data you enter is ever transmitted over the internet to our servers. This is a fundamental privacy-by-design architectural decision.
10. Changes to This Privacy Policy
We may update this Privacy Policy periodically. We will notify you of material changes by updating the "Last updated" date at the top of this page. Continued use of the website after changes constitutes acceptance of the revised policy.
11. Contact Us
If you have questions about this Privacy Policy or wish to exercise your privacy rights, please visit our Contact page.