--- title: "Add an ON/OFF Switch to Your QL" type: "article" slug: "add-an-on-off-switch-to-your-ql-4" url: "http://localhost/article/add-an-on-off-switch-to-your-ql-4/" markdown_url: "http://localhost/article/add-an-on-off-switch-to-your-ql-4.md" published_at: "2026-01-20T21:47:36+00:00" modified_at: "2026-01-20T21:47:37+00:00" featured_image: url: "http://localhost/wp-content/uploads/2022/04/20230809-041332.jpg" excerpt: "I'll never understand what it is that Sir Clive has against the simple and convenient on/off switch. Neither the ZX81, the Spectrum, nor the QL were provided with them. Having to always be plugging and unplugging the power supply is not only bothersome, it quickly wears out the plug components!" category: - name: "CATS Newsletter" slug: "cats-newsletter" taxonomy: "category" url: "http://localhost/category/periodicals/cats-newsletter/" post_tag: - name: "Hardware project" slug: "hardware-project" taxonomy: "post_tag" url: "http://localhost/tag/hardware-project/" - name: "QL" slug: "ql" taxonomy: "post_tag" url: "http://localhost/tag/ql/" model: - name: "Sinclair QL" slug: "sinclair-ql" taxonomy: "model" url: "http://localhost/model/sinclair-ql/" indiv: - name: "John Riley" slug: "john-riley" taxonomy: "indiv" url: "http://localhost/indiv/john-riley/" publication_r: id: 35941 title: "CATS Newsletter" type: "periodical" url: "http://localhost/periodical/cats-newsletter/" authors_r: - name: "John Riley" slug: "john-riley" taxonomy: "indiv" url: "http://localhost/indiv/john-riley/" volume: "7" issue: "11" issues_articles: - id: 38907 title: "CATS v7 n11" type: "issue" url: "http://localhost/issue/cats-v7-n11/" pages: "8" pubdate: "March 1990" archive_link: false --- # Add an ON/OFF Switch to Your QL I’ll never understand what it is that Sir Clive has against the simple and convenient on/off switch. Neither the ZX81, the Spectrum, nor the QL were provided with them. Having to always be plugging and unplugging the power supply is not only bothersome, it quickly wears out the plug components!